| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | #include "clang/Sema/SemaInternal.h" |
| 15 | #include "TreeTransform.h" |
| 16 | #include "TypeLocBuilder.h" |
| 17 | #include "clang/AST/ASTContext.h" |
| 18 | #include "clang/AST/ASTLambda.h" |
| 19 | #include "clang/AST/CXXInheritance.h" |
| 20 | #include "clang/AST/CharUnits.h" |
| 21 | #include "clang/AST/DeclObjC.h" |
| 22 | #include "clang/AST/ExprCXX.h" |
| 23 | #include "clang/AST/ExprObjC.h" |
| 24 | #include "clang/AST/RecursiveASTVisitor.h" |
| 25 | #include "clang/AST/TypeLoc.h" |
| 26 | #include "clang/Basic/AlignedAllocation.h" |
| 27 | #include "clang/Basic/PartialDiagnostic.h" |
| 28 | #include "clang/Basic/TargetInfo.h" |
| 29 | #include "clang/Lex/Preprocessor.h" |
| 30 | #include "clang/Sema/DeclSpec.h" |
| 31 | #include "clang/Sema/Initialization.h" |
| 32 | #include "clang/Sema/Lookup.h" |
| 33 | #include "clang/Sema/ParsedTemplate.h" |
| 34 | #include "clang/Sema/Scope.h" |
| 35 | #include "clang/Sema/ScopeInfo.h" |
| 36 | #include "clang/Sema/SemaLambda.h" |
| 37 | #include "clang/Sema/TemplateDeduction.h" |
| 38 | #include "llvm/ADT/APInt.h" |
| 39 | #include "llvm/ADT/STLExtras.h" |
| 40 | #include "llvm/Support/ErrorHandling.h" |
| 41 | using namespace clang; |
| 42 | using namespace sema; |
| 43 | |
| 44 | |
| 45 | |
| 46 | |
| 47 | |
| 48 | ParsedType Sema::getInheritingConstructorName(CXXScopeSpec &SS, |
| 49 | SourceLocation NameLoc, |
| 50 | IdentifierInfo &Name) { |
| 51 | NestedNameSpecifier *NNS = SS.getScopeRep(); |
| 52 | |
| 53 | |
| 54 | QualType Type; |
| 55 | switch (NNS->getKind()) { |
| 56 | case NestedNameSpecifier::TypeSpec: |
| 57 | case NestedNameSpecifier::TypeSpecWithTemplate: |
| 58 | Type = QualType(NNS->getAsType(), 0); |
| 59 | break; |
| 60 | |
| 61 | case NestedNameSpecifier::Identifier: |
| 62 | |
| 63 | |
| 64 | (0) . __assert_fail ("NNS->getAsIdentifier() == &Name && \"not a constructor name\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 64, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(NNS->getAsIdentifier() == &Name && "not a constructor name"); |
| 65 | Type = Context.getDependentNameType(ETK_None, NNS->getPrefix(), |
| 66 | NNS->getAsIdentifier()); |
| 67 | break; |
| 68 | |
| 69 | case NestedNameSpecifier::Global: |
| 70 | case NestedNameSpecifier::Super: |
| 71 | case NestedNameSpecifier::Namespace: |
| 72 | case NestedNameSpecifier::NamespaceAlias: |
| 73 | llvm_unreachable("Nested name specifier is not a type for inheriting ctor"); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | |
| 78 | return CreateParsedType(Type, |
| 79 | Context.getTrivialTypeSourceInfo(Type, NameLoc)); |
| 80 | } |
| 81 | |
| 82 | ParsedType Sema::getConstructorName(IdentifierInfo &II, |
| 83 | SourceLocation NameLoc, |
| 84 | Scope *S, CXXScopeSpec &SS, |
| 85 | bool EnteringContext) { |
| 86 | CXXRecordDecl *CurClass = getCurrentClass(S, &SS); |
| 87 | (0) . __assert_fail ("CurClass && &II == CurClass->getIdentifier() && \"not a constructor name\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 88, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(CurClass && &II == CurClass->getIdentifier() && |
| 88 | (0) . __assert_fail ("CurClass && &II == CurClass->getIdentifier() && \"not a constructor name\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 88, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "not a constructor name"); |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | if (CurClass->isDependentContext() && !EnteringContext) { |
| 94 | QualType T = Context.getDependentNameType(ETK_None, SS.getScopeRep(), &II); |
| 95 | return ParsedType::make(T); |
| 96 | } |
| 97 | |
| 98 | if (SS.isNotEmpty() && RequireCompleteDeclContext(SS, CurClass)) |
| 99 | return ParsedType(); |
| 100 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 | |
| 106 | |
| 107 | CXXRecordDecl *InjectedClassName = nullptr; |
| 108 | for (NamedDecl *ND : CurClass->lookup(&II)) { |
| 109 | auto *RD = dyn_cast<CXXRecordDecl>(ND); |
| 110 | if (RD && RD->isInjectedClassName()) { |
| 111 | InjectedClassName = RD; |
| 112 | break; |
| 113 | } |
| 114 | } |
| 115 | if (!InjectedClassName) { |
| 116 | if (!CurClass->isInvalidDecl()) { |
| 117 | |
| 118 | |
| 119 | Diag(SS.getLastQualifierNameLoc(), |
| 120 | diag::err_incomplete_nested_name_spec) << CurClass << SS.getRange(); |
| 121 | } |
| 122 | return ParsedType(); |
| 123 | } |
| 124 | |
| 125 | QualType T = Context.getTypeDeclType(InjectedClassName); |
| 126 | DiagnoseUseOfDecl(InjectedClassName, NameLoc); |
| 127 | MarkAnyDeclReferenced(NameLoc, InjectedClassName, ); |
| 128 | |
| 129 | return ParsedType::make(T); |
| 130 | } |
| 131 | |
| 132 | ParsedType Sema::getDestructorName(SourceLocation TildeLoc, |
| 133 | IdentifierInfo &II, |
| 134 | SourceLocation NameLoc, |
| 135 | Scope *S, CXXScopeSpec &SS, |
| 136 | ParsedType ObjectTypePtr, |
| 137 | bool EnteringContext) { |
| 138 | |
| 139 | |
| 140 | |
| 141 | |
| 142 | |
| 143 | |
| 144 | |
| 145 | |
| 146 | |
| 147 | |
| 148 | |
| 149 | |
| 150 | |
| 151 | |
| 152 | |
| 153 | |
| 154 | |
| 155 | |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | QualType SearchType; |
| 161 | DeclContext *LookupCtx = nullptr; |
| 162 | bool isDependent = false; |
| 163 | bool LookInScope = false; |
| 164 | |
| 165 | if (SS.isInvalid()) |
| 166 | return nullptr; |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | if (ObjectTypePtr) |
| 172 | SearchType = GetTypeFromParser(ObjectTypePtr); |
| 173 | |
| 174 | if (SS.isSet()) { |
| 175 | NestedNameSpecifier *NNS = SS.getScopeRep(); |
| 176 | |
| 177 | bool AlreadySearched = false; |
| 178 | bool LookAtPrefix = true; |
| 179 | |
| 180 | |
| 181 | |
| 182 | |
| 183 | |
| 184 | |
| 185 | |
| 186 | |
| 187 | |
| 188 | |
| 189 | |
| 190 | DeclContext *DC = computeDeclContext(SS, EnteringContext); |
| 191 | if (DC && DC->isFileContext()) { |
| 192 | AlreadySearched = true; |
| 193 | LookupCtx = DC; |
| 194 | isDependent = false; |
| 195 | } else if (DC && isa<CXXRecordDecl>(DC)) { |
| 196 | LookAtPrefix = false; |
| 197 | LookInScope = true; |
| 198 | } |
| 199 | |
| 200 | |
| 201 | NestedNameSpecifier *Prefix = nullptr; |
| 202 | if (AlreadySearched) { |
| 203 | |
| 204 | } else if (LookAtPrefix && (Prefix = NNS->getPrefix())) { |
| 205 | CXXScopeSpec PrefixSS; |
| 206 | PrefixSS.Adopt(NestedNameSpecifierLoc(Prefix, SS.location_data())); |
| 207 | LookupCtx = computeDeclContext(PrefixSS, EnteringContext); |
| 208 | isDependent = isDependentScopeSpecifier(PrefixSS); |
| 209 | } else if (ObjectTypePtr) { |
| 210 | LookupCtx = computeDeclContext(SearchType); |
| 211 | isDependent = SearchType->isDependentType(); |
| 212 | } else { |
| 213 | LookupCtx = computeDeclContext(SS, EnteringContext); |
| 214 | isDependent = LookupCtx && LookupCtx->isDependentContext(); |
| 215 | } |
| 216 | } else if (ObjectTypePtr) { |
| 217 | |
| 218 | |
| 219 | |
| 220 | |
| 221 | |
| 222 | |
| 223 | |
| 224 | LookupCtx = computeDeclContext(SearchType); |
| 225 | isDependent = SearchType->isDependentType(); |
| 226 | (0) . __assert_fail ("(isDependent || !SearchType->isIncompleteType()) && \"Caller should have completed object type\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 227, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((isDependent || !SearchType->isIncompleteType()) && |
| 227 | (0) . __assert_fail ("(isDependent || !SearchType->isIncompleteType()) && \"Caller should have completed object type\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 227, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Caller should have completed object type"); |
| 228 | |
| 229 | LookInScope = true; |
| 230 | } else { |
| 231 | |
| 232 | LookInScope = true; |
| 233 | } |
| 234 | |
| 235 | TypeDecl *NonMatchingTypeDecl = nullptr; |
| 236 | LookupResult Found(*this, &II, NameLoc, LookupOrdinaryName); |
| 237 | for (unsigned Step = 0; Step != 2; ++Step) { |
| 238 | |
| 239 | |
| 240 | |
| 241 | Found.clear(); |
| 242 | if (Step == 0 && LookupCtx) { |
| 243 | if (RequireCompleteDeclContext(SS, LookupCtx)) |
| 244 | return nullptr; |
| 245 | LookupQualifiedName(Found, LookupCtx); |
| 246 | } else if (Step == 1 && LookInScope && S) { |
| 247 | LookupName(Found, S); |
| 248 | } else { |
| 249 | continue; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | if (Found.isAmbiguous()) |
| 254 | return nullptr; |
| 255 | |
| 256 | if (TypeDecl *Type = Found.getAsSingle<TypeDecl>()) { |
| 257 | QualType T = Context.getTypeDeclType(Type); |
| 258 | MarkAnyDeclReferenced(Type->getLocation(), Type, ); |
| 259 | |
| 260 | if (SearchType.isNull() || SearchType->isDependentType() || |
| 261 | Context.hasSameUnqualifiedType(T, SearchType)) { |
| 262 | |
| 263 | |
| 264 | return CreateParsedType(T, |
| 265 | Context.getTrivialTypeSourceInfo(T, NameLoc)); |
| 266 | } |
| 267 | |
| 268 | if (!SearchType.isNull()) |
| 269 | NonMatchingTypeDecl = Type; |
| 270 | } |
| 271 | |
| 272 | |
| 273 | |
| 274 | |
| 275 | |
| 276 | |
| 277 | |
| 278 | if (ClassTemplateDecl *Template = Found.getAsSingle<ClassTemplateDecl>()) { |
| 279 | QualType MemberOfType; |
| 280 | if (SS.isSet()) { |
| 281 | if (DeclContext *Ctx = computeDeclContext(SS, EnteringContext)) { |
| 282 | |
| 283 | if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Ctx)) |
| 284 | MemberOfType = Context.getTypeDeclType(Record); |
| 285 | } |
| 286 | } |
| 287 | if (MemberOfType.isNull()) |
| 288 | MemberOfType = SearchType; |
| 289 | |
| 290 | if (MemberOfType.isNull()) |
| 291 | continue; |
| 292 | |
| 293 | |
| 294 | |
| 295 | |
| 296 | if (const RecordType *Record = MemberOfType->getAs<RecordType>()) { |
| 297 | if (ClassTemplateSpecializationDecl *Spec |
| 298 | = dyn_cast<ClassTemplateSpecializationDecl>(Record->getDecl())) { |
| 299 | if (Spec->getSpecializedTemplate()->getCanonicalDecl() == |
| 300 | Template->getCanonicalDecl()) |
| 301 | return CreateParsedType( |
| 302 | MemberOfType, |
| 303 | Context.getTrivialTypeSourceInfo(MemberOfType, NameLoc)); |
| 304 | } |
| 305 | |
| 306 | continue; |
| 307 | } |
| 308 | |
| 309 | |
| 310 | |
| 311 | |
| 312 | |
| 313 | |
| 314 | if (const TemplateSpecializationType *SpecType |
| 315 | = MemberOfType->getAs<TemplateSpecializationType>()) { |
| 316 | TemplateName SpecName = SpecType->getTemplateName(); |
| 317 | |
| 318 | |
| 319 | |
| 320 | if (TemplateDecl *SpecTemplate = SpecName.getAsTemplateDecl()) { |
| 321 | if (SpecTemplate->getCanonicalDecl() == Template->getCanonicalDecl()) |
| 322 | return CreateParsedType( |
| 323 | MemberOfType, |
| 324 | Context.getTrivialTypeSourceInfo(MemberOfType, NameLoc)); |
| 325 | |
| 326 | continue; |
| 327 | } |
| 328 | |
| 329 | |
| 330 | |
| 331 | if (DependentTemplateName *DepTemplate |
| 332 | = SpecName.getAsDependentTemplateName()) { |
| 333 | if (DepTemplate->isIdentifier() && |
| 334 | DepTemplate->getIdentifier() == Template->getIdentifier()) |
| 335 | return CreateParsedType( |
| 336 | MemberOfType, |
| 337 | Context.getTrivialTypeSourceInfo(MemberOfType, NameLoc)); |
| 338 | |
| 339 | continue; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | if (isDependent) { |
| 346 | |
| 347 | |
| 348 | |
| 349 | |
| 350 | QualType T = CheckTypenameType(ETK_None, SourceLocation(), |
| 351 | SS.getWithLocInContext(Context), |
| 352 | II, NameLoc); |
| 353 | return ParsedType::make(T); |
| 354 | } |
| 355 | |
| 356 | if (NonMatchingTypeDecl) { |
| 357 | QualType T = Context.getTypeDeclType(NonMatchingTypeDecl); |
| 358 | Diag(NameLoc, diag::err_destructor_expr_type_mismatch) |
| 359 | << T << SearchType; |
| 360 | Diag(NonMatchingTypeDecl->getLocation(), diag::note_destructor_type_here) |
| 361 | << T; |
| 362 | } else if (ObjectTypePtr) |
| 363 | Diag(NameLoc, diag::err_ident_in_dtor_not_a_type) |
| 364 | << &II; |
| 365 | else { |
| 366 | SemaDiagnosticBuilder DtorDiag = Diag(NameLoc, |
| 367 | diag::err_destructor_class_name); |
| 368 | if (S) { |
| 369 | const DeclContext *Ctx = S->getEntity(); |
| 370 | if (const CXXRecordDecl *Class = dyn_cast_or_null<CXXRecordDecl>(Ctx)) |
| 371 | DtorDiag << FixItHint::CreateReplacement(SourceRange(NameLoc), |
| 372 | Class->getNameAsString()); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | return nullptr; |
| 377 | } |
| 378 | |
| 379 | ParsedType Sema::getDestructorTypeForDecltype(const DeclSpec &DS, |
| 380 | ParsedType ObjectType) { |
| 381 | if (DS.getTypeSpecType() == DeclSpec::TST_error) |
| 382 | return nullptr; |
| 383 | |
| 384 | if (DS.getTypeSpecType() == DeclSpec::TST_decltype_auto) { |
| 385 | Diag(DS.getTypeSpecTypeLoc(), diag::err_decltype_auto_invalid); |
| 386 | return nullptr; |
| 387 | } |
| 388 | |
| 389 | (0) . __assert_fail ("DS.getTypeSpecType() == DeclSpec..TST_decltype && \"unexpected type in getDestructorType\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 390, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(DS.getTypeSpecType() == DeclSpec::TST_decltype && |
| 390 | (0) . __assert_fail ("DS.getTypeSpecType() == DeclSpec..TST_decltype && \"unexpected type in getDestructorType\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 390, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "unexpected type in getDestructorType"); |
| 391 | QualType T = BuildDecltypeType(DS.getRepAsExpr(), DS.getTypeSpecTypeLoc()); |
| 392 | |
| 393 | |
| 394 | |
| 395 | QualType SearchType = GetTypeFromParser(ObjectType); |
| 396 | if (!SearchType.isNull() && !SearchType->isDependentType() && |
| 397 | !Context.hasSameUnqualifiedType(T, SearchType)) { |
| 398 | Diag(DS.getTypeSpecTypeLoc(), diag::err_destructor_expr_type_mismatch) |
| 399 | << T << SearchType; |
| 400 | return nullptr; |
| 401 | } |
| 402 | |
| 403 | return ParsedType::make(T); |
| 404 | } |
| 405 | |
| 406 | bool Sema::checkLiteralOperatorId(const CXXScopeSpec &SS, |
| 407 | const UnqualifiedId &Name) { |
| 408 | assert(Name.getKind() == UnqualifiedIdKind::IK_LiteralOperatorId); |
| 409 | |
| 410 | if (!SS.isValid()) |
| 411 | return false; |
| 412 | |
| 413 | switch (SS.getScopeRep()->getKind()) { |
| 414 | case NestedNameSpecifier::Identifier: |
| 415 | case NestedNameSpecifier::TypeSpec: |
| 416 | case NestedNameSpecifier::TypeSpecWithTemplate: |
| 417 | |
| 418 | |
| 419 | |
| 420 | |
| 421 | Diag(Name.getBeginLoc(), diag::err_literal_operator_id_outside_namespace) |
| 422 | << SS.getScopeRep(); |
| 423 | return true; |
| 424 | |
| 425 | case NestedNameSpecifier::Global: |
| 426 | case NestedNameSpecifier::Super: |
| 427 | case NestedNameSpecifier::Namespace: |
| 428 | case NestedNameSpecifier::NamespaceAlias: |
| 429 | return false; |
| 430 | } |
| 431 | |
| 432 | llvm_unreachable("unknown nested name specifier kind"); |
| 433 | } |
| 434 | |
| 435 | |
| 436 | ExprResult Sema::BuildCXXTypeId(QualType TypeInfoType, |
| 437 | SourceLocation TypeidLoc, |
| 438 | TypeSourceInfo *Operand, |
| 439 | SourceLocation RParenLoc) { |
| 440 | |
| 441 | |
| 442 | |
| 443 | |
| 444 | |
| 445 | Qualifiers Quals; |
| 446 | QualType T |
| 447 | = Context.getUnqualifiedArrayType(Operand->getType().getNonReferenceType(), |
| 448 | Quals); |
| 449 | if (T->getAs<RecordType>() && |
| 450 | RequireCompleteType(TypeidLoc, T, diag::err_incomplete_typeid)) |
| 451 | return ExprError(); |
| 452 | |
| 453 | if (T->isVariablyModifiedType()) |
| 454 | return ExprError(Diag(TypeidLoc, diag::err_variably_modified_typeid) << T); |
| 455 | |
| 456 | return new (Context) CXXTypeidExpr(TypeInfoType.withConst(), Operand, |
| 457 | SourceRange(TypeidLoc, RParenLoc)); |
| 458 | } |
| 459 | |
| 460 | |
| 461 | ExprResult Sema::BuildCXXTypeId(QualType TypeInfoType, |
| 462 | SourceLocation TypeidLoc, |
| 463 | Expr *E, |
| 464 | SourceLocation RParenLoc) { |
| 465 | bool WasEvaluated = false; |
| 466 | if (E && !E->isTypeDependent()) { |
| 467 | if (E->getType()->isPlaceholderType()) { |
| 468 | ExprResult result = CheckPlaceholderExpr(E); |
| 469 | if (result.isInvalid()) return ExprError(); |
| 470 | E = result.get(); |
| 471 | } |
| 472 | |
| 473 | QualType T = E->getType(); |
| 474 | if (const RecordType *RecordT = T->getAs<RecordType>()) { |
| 475 | CXXRecordDecl *RecordD = cast<CXXRecordDecl>(RecordT->getDecl()); |
| 476 | |
| 477 | |
| 478 | |
| 479 | if (RequireCompleteType(TypeidLoc, T, diag::err_incomplete_typeid)) |
| 480 | return ExprError(); |
| 481 | |
| 482 | |
| 483 | |
| 484 | |
| 485 | |
| 486 | if (RecordD->isPolymorphic() && E->isGLValue()) { |
| 487 | |
| 488 | |
| 489 | ExprResult Result = TransformToPotentiallyEvaluated(E); |
| 490 | if (Result.isInvalid()) return ExprError(); |
| 491 | E = Result.get(); |
| 492 | |
| 493 | |
| 494 | MarkVTableUsed(TypeidLoc, RecordD); |
| 495 | WasEvaluated = true; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | |
| 500 | |
| 501 | |
| 502 | |
| 503 | |
| 504 | Qualifiers Quals; |
| 505 | QualType UnqualT = Context.getUnqualifiedArrayType(T, Quals); |
| 506 | if (!Context.hasSameType(T, UnqualT)) { |
| 507 | T = UnqualT; |
| 508 | E = ImpCastExprToType(E, UnqualT, CK_NoOp, E->getValueKind()).get(); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | if (E->getType()->isVariablyModifiedType()) |
| 513 | return ExprError(Diag(TypeidLoc, diag::err_variably_modified_typeid) |
| 514 | << E->getType()); |
| 515 | else if (!inTemplateInstantiation() && |
| 516 | E->HasSideEffects(Context, WasEvaluated)) { |
| 517 | |
| 518 | |
| 519 | Diag(E->getExprLoc(), WasEvaluated |
| 520 | ? diag::warn_side_effects_typeid |
| 521 | : diag::warn_side_effects_unevaluated_context); |
| 522 | } |
| 523 | |
| 524 | return new (Context) CXXTypeidExpr(TypeInfoType.withConst(), E, |
| 525 | SourceRange(TypeidLoc, RParenLoc)); |
| 526 | } |
| 527 | |
| 528 | |
| 529 | ExprResult |
| 530 | Sema::ActOnCXXTypeid(SourceLocation OpLoc, SourceLocation LParenLoc, |
| 531 | bool isType, void *TyOrExpr, SourceLocation RParenLoc) { |
| 532 | |
| 533 | if (getLangOpts().OpenCLCPlusPlus) { |
| 534 | return ExprError(Diag(OpLoc, diag::err_openclcxx_not_supported) |
| 535 | << "typeid"); |
| 536 | } |
| 537 | |
| 538 | |
| 539 | if (!getStdNamespace()) |
| 540 | return ExprError(Diag(OpLoc, diag::err_need_header_before_typeid)); |
| 541 | |
| 542 | if (!CXXTypeInfoDecl) { |
| 543 | IdentifierInfo *TypeInfoII = &PP.getIdentifierTable().get("type_info"); |
| 544 | LookupResult R(*this, TypeInfoII, SourceLocation(), LookupTagName); |
| 545 | LookupQualifiedName(R, getStdNamespace()); |
| 546 | CXXTypeInfoDecl = R.getAsSingle<RecordDecl>(); |
| 547 | |
| 548 | |
| 549 | if (!CXXTypeInfoDecl && LangOpts.MSVCCompat) { |
| 550 | LookupQualifiedName(R, Context.getTranslationUnitDecl()); |
| 551 | CXXTypeInfoDecl = R.getAsSingle<RecordDecl>(); |
| 552 | } |
| 553 | if (!CXXTypeInfoDecl) |
| 554 | return ExprError(Diag(OpLoc, diag::err_need_header_before_typeid)); |
| 555 | } |
| 556 | |
| 557 | if (!getLangOpts().RTTI) { |
| 558 | return ExprError(Diag(OpLoc, diag::err_no_typeid_with_fno_rtti)); |
| 559 | } |
| 560 | |
| 561 | QualType TypeInfoType = Context.getTypeDeclType(CXXTypeInfoDecl); |
| 562 | |
| 563 | if (isType) { |
| 564 | |
| 565 | TypeSourceInfo *TInfo = nullptr; |
| 566 | QualType T = GetTypeFromParser(ParsedType::getFromOpaquePtr(TyOrExpr), |
| 567 | &TInfo); |
| 568 | if (T.isNull()) |
| 569 | return ExprError(); |
| 570 | |
| 571 | if (!TInfo) |
| 572 | TInfo = Context.getTrivialTypeSourceInfo(T, OpLoc); |
| 573 | |
| 574 | return BuildCXXTypeId(TypeInfoType, OpLoc, TInfo, RParenLoc); |
| 575 | } |
| 576 | |
| 577 | |
| 578 | return BuildCXXTypeId(TypeInfoType, OpLoc, (Expr*)TyOrExpr, RParenLoc); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | |
| 583 | static void |
| 584 | getUuidAttrOfType(Sema &SemaRef, QualType QT, |
| 585 | llvm::SmallSetVector<const UuidAttr *, 1> &UuidAttrs) { |
| 586 | |
| 587 | const Type *Ty = QT.getTypePtr(); |
| 588 | if (QT->isPointerType() || QT->isReferenceType()) |
| 589 | Ty = QT->getPointeeType().getTypePtr(); |
| 590 | else if (QT->isArrayType()) |
| 591 | Ty = Ty->getBaseElementTypeUnsafe(); |
| 592 | |
| 593 | const auto *TD = Ty->getAsTagDecl(); |
| 594 | if (!TD) |
| 595 | return; |
| 596 | |
| 597 | if (const auto *Uuid = TD->getMostRecentDecl()->getAttr<UuidAttr>()) { |
| 598 | UuidAttrs.insert(Uuid); |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | |
| 603 | if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(TD)) { |
| 604 | const TemplateArgumentList &TAL = CTSD->getTemplateArgs(); |
| 605 | for (const TemplateArgument &TA : TAL.asArray()) { |
| 606 | const UuidAttr *UuidForTA = nullptr; |
| 607 | if (TA.getKind() == TemplateArgument::Type) |
| 608 | getUuidAttrOfType(SemaRef, TA.getAsType(), UuidAttrs); |
| 609 | else if (TA.getKind() == TemplateArgument::Declaration) |
| 610 | getUuidAttrOfType(SemaRef, TA.getAsDecl()->getType(), UuidAttrs); |
| 611 | |
| 612 | if (UuidForTA) |
| 613 | UuidAttrs.insert(UuidForTA); |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | |
| 619 | ExprResult Sema::BuildCXXUuidof(QualType TypeInfoType, |
| 620 | SourceLocation TypeidLoc, |
| 621 | TypeSourceInfo *Operand, |
| 622 | SourceLocation RParenLoc) { |
| 623 | StringRef UuidStr; |
| 624 | if (!Operand->getType()->isDependentType()) { |
| 625 | llvm::SmallSetVector<const UuidAttr *, 1> UuidAttrs; |
| 626 | getUuidAttrOfType(*this, Operand->getType(), UuidAttrs); |
| 627 | if (UuidAttrs.empty()) |
| 628 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_without_guid)); |
| 629 | if (UuidAttrs.size() > 1) |
| 630 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids)); |
| 631 | UuidStr = UuidAttrs.back()->getGuid(); |
| 632 | } |
| 633 | |
| 634 | return new (Context) CXXUuidofExpr(TypeInfoType.withConst(), Operand, UuidStr, |
| 635 | SourceRange(TypeidLoc, RParenLoc)); |
| 636 | } |
| 637 | |
| 638 | |
| 639 | ExprResult Sema::BuildCXXUuidof(QualType TypeInfoType, |
| 640 | SourceLocation TypeidLoc, |
| 641 | Expr *E, |
| 642 | SourceLocation RParenLoc) { |
| 643 | StringRef UuidStr; |
| 644 | if (!E->getType()->isDependentType()) { |
| 645 | if (E->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
| 646 | UuidStr = "00000000-0000-0000-0000-000000000000"; |
| 647 | } else { |
| 648 | llvm::SmallSetVector<const UuidAttr *, 1> UuidAttrs; |
| 649 | getUuidAttrOfType(*this, E->getType(), UuidAttrs); |
| 650 | if (UuidAttrs.empty()) |
| 651 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_without_guid)); |
| 652 | if (UuidAttrs.size() > 1) |
| 653 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids)); |
| 654 | UuidStr = UuidAttrs.back()->getGuid(); |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | return new (Context) CXXUuidofExpr(TypeInfoType.withConst(), E, UuidStr, |
| 659 | SourceRange(TypeidLoc, RParenLoc)); |
| 660 | } |
| 661 | |
| 662 | |
| 663 | ExprResult |
| 664 | Sema::ActOnCXXUuidof(SourceLocation OpLoc, SourceLocation LParenLoc, |
| 665 | bool isType, void *TyOrExpr, SourceLocation RParenLoc) { |
| 666 | |
| 667 | if (!MSVCGuidDecl) { |
| 668 | IdentifierInfo *GuidII = &PP.getIdentifierTable().get("_GUID"); |
| 669 | LookupResult R(*this, GuidII, SourceLocation(), LookupTagName); |
| 670 | LookupQualifiedName(R, Context.getTranslationUnitDecl()); |
| 671 | MSVCGuidDecl = R.getAsSingle<RecordDecl>(); |
| 672 | if (!MSVCGuidDecl) |
| 673 | return ExprError(Diag(OpLoc, diag::err_need_header_before_ms_uuidof)); |
| 674 | } |
| 675 | |
| 676 | QualType GuidType = Context.getTypeDeclType(MSVCGuidDecl); |
| 677 | |
| 678 | if (isType) { |
| 679 | |
| 680 | TypeSourceInfo *TInfo = nullptr; |
| 681 | QualType T = GetTypeFromParser(ParsedType::getFromOpaquePtr(TyOrExpr), |
| 682 | &TInfo); |
| 683 | if (T.isNull()) |
| 684 | return ExprError(); |
| 685 | |
| 686 | if (!TInfo) |
| 687 | TInfo = Context.getTrivialTypeSourceInfo(T, OpLoc); |
| 688 | |
| 689 | return BuildCXXUuidof(GuidType, OpLoc, TInfo, RParenLoc); |
| 690 | } |
| 691 | |
| 692 | |
| 693 | return BuildCXXUuidof(GuidType, OpLoc, (Expr*)TyOrExpr, RParenLoc); |
| 694 | } |
| 695 | |
| 696 | |
| 697 | ExprResult |
| 698 | Sema::ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind) { |
| 699 | (0) . __assert_fail ("(Kind == tok..kw_true || Kind == tok..kw_false) && \"Unknown C++ Boolean value!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 700, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Kind == tok::kw_true || Kind == tok::kw_false) && |
| 700 | (0) . __assert_fail ("(Kind == tok..kw_true || Kind == tok..kw_false) && \"Unknown C++ Boolean value!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 700, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Unknown C++ Boolean value!"); |
| 701 | return new (Context) |
| 702 | CXXBoolLiteralExpr(Kind == tok::kw_true, Context.BoolTy, OpLoc); |
| 703 | } |
| 704 | |
| 705 | |
| 706 | ExprResult |
| 707 | Sema::ActOnCXXNullPtrLiteral(SourceLocation Loc) { |
| 708 | return new (Context) CXXNullPtrLiteralExpr(Context.NullPtrTy, Loc); |
| 709 | } |
| 710 | |
| 711 | |
| 712 | ExprResult |
| 713 | Sema::ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *Ex) { |
| 714 | bool IsThrownVarInScope = false; |
| 715 | if (Ex) { |
| 716 | |
| 717 | |
| 718 | |
| 719 | |
| 720 | |
| 721 | |
| 722 | |
| 723 | |
| 724 | |
| 725 | |
| 726 | |
| 727 | if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Ex->IgnoreParens())) |
| 728 | if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) { |
| 729 | if (Var->hasLocalStorage() && !Var->getType().isVolatileQualified()) { |
| 730 | for( ; S; S = S->getParent()) { |
| 731 | if (S->isDeclScope(Var)) { |
| 732 | IsThrownVarInScope = true; |
| 733 | break; |
| 734 | } |
| 735 | |
| 736 | if (S->getFlags() & |
| 737 | (Scope::FnScope | Scope::ClassScope | Scope::BlockScope | |
| 738 | Scope::FunctionPrototypeScope | Scope::ObjCMethodScope | |
| 739 | Scope::TryScope)) |
| 740 | break; |
| 741 | } |
| 742 | } |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | return BuildCXXThrow(OpLoc, Ex, IsThrownVarInScope); |
| 747 | } |
| 748 | |
| 749 | ExprResult Sema::BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, |
| 750 | bool IsThrownVarInScope) { |
| 751 | |
| 752 | if (!getLangOpts().CXXExceptions && |
| 753 | !getSourceManager().isInSystemHeader(OpLoc) && !getLangOpts().CUDA) { |
| 754 | |
| 755 | targetDiag(OpLoc, diag::err_exceptions_disabled) << "throw"; |
| 756 | } |
| 757 | |
| 758 | |
| 759 | if (getLangOpts().CUDA) |
| 760 | CUDADiagIfDeviceCode(OpLoc, diag::err_cuda_device_exceptions) |
| 761 | << "throw" << CurrentCUDATarget(); |
| 762 | |
| 763 | if (getCurScope() && getCurScope()->isOpenMPSimdDirectiveScope()) |
| 764 | Diag(OpLoc, diag::err_omp_simd_region_cannot_use_stmt) << "throw"; |
| 765 | |
| 766 | if (Ex && !Ex->isTypeDependent()) { |
| 767 | QualType ExceptionObjectTy = Context.getExceptionObjectType(Ex->getType()); |
| 768 | if (CheckCXXThrowOperand(OpLoc, ExceptionObjectTy, Ex)) |
| 769 | return ExprError(); |
| 770 | |
| 771 | |
| 772 | |
| 773 | |
| 774 | |
| 775 | |
| 776 | |
| 777 | |
| 778 | |
| 779 | |
| 780 | |
| 781 | |
| 782 | |
| 783 | |
| 784 | |
| 785 | |
| 786 | const VarDecl *NRVOVariable = nullptr; |
| 787 | if (IsThrownVarInScope) |
| 788 | NRVOVariable = getCopyElisionCandidate(QualType(), Ex, CES_Strict); |
| 789 | |
| 790 | InitializedEntity Entity = InitializedEntity::InitializeException( |
| 791 | OpLoc, ExceptionObjectTy, |
| 792 | != nullptr); |
| 793 | ExprResult Res = PerformMoveOrCopyInitialization( |
| 794 | Entity, NRVOVariable, QualType(), Ex, IsThrownVarInScope); |
| 795 | if (Res.isInvalid()) |
| 796 | return ExprError(); |
| 797 | Ex = Res.get(); |
| 798 | } |
| 799 | |
| 800 | return new (Context) |
| 801 | CXXThrowExpr(Ex, Context.VoidTy, OpLoc, IsThrownVarInScope); |
| 802 | } |
| 803 | |
| 804 | static void |
| 805 | collectPublicBases(CXXRecordDecl *RD, |
| 806 | llvm::DenseMap<CXXRecordDecl *, unsigned> &SubobjectsSeen, |
| 807 | llvm::SmallPtrSetImpl<CXXRecordDecl *> &VBases, |
| 808 | llvm::SetVector<CXXRecordDecl *> &PublicSubobjectsSeen, |
| 809 | bool ParentIsPublic) { |
| 810 | for (const CXXBaseSpecifier &BS : RD->bases()) { |
| 811 | CXXRecordDecl *BaseDecl = BS.getType()->getAsCXXRecordDecl(); |
| 812 | bool NewSubobject; |
| 813 | |
| 814 | |
| 815 | if (BS.isVirtual()) |
| 816 | NewSubobject = VBases.insert(BaseDecl).second; |
| 817 | else |
| 818 | NewSubobject = true; |
| 819 | |
| 820 | if (NewSubobject) |
| 821 | ++SubobjectsSeen[BaseDecl]; |
| 822 | |
| 823 | |
| 824 | bool PublicPath = ParentIsPublic && BS.getAccessSpecifier() == AS_public; |
| 825 | if (PublicPath) |
| 826 | PublicSubobjectsSeen.insert(BaseDecl); |
| 827 | |
| 828 | |
| 829 | collectPublicBases(BaseDecl, SubobjectsSeen, VBases, PublicSubobjectsSeen, |
| 830 | PublicPath); |
| 831 | } |
| 832 | } |
| 833 | |
| 834 | static void getUnambiguousPublicSubobjects( |
| 835 | CXXRecordDecl *RD, llvm::SmallVectorImpl<CXXRecordDecl *> &Objects) { |
| 836 | llvm::DenseMap<CXXRecordDecl *, unsigned> SubobjectsSeen; |
| 837 | llvm::SmallSet<CXXRecordDecl *, 2> VBases; |
| 838 | llvm::SetVector<CXXRecordDecl *> PublicSubobjectsSeen; |
| 839 | SubobjectsSeen[RD] = 1; |
| 840 | PublicSubobjectsSeen.insert(RD); |
| 841 | collectPublicBases(RD, SubobjectsSeen, VBases, PublicSubobjectsSeen, |
| 842 | ); |
| 843 | |
| 844 | for (CXXRecordDecl *PublicSubobject : PublicSubobjectsSeen) { |
| 845 | |
| 846 | if (SubobjectsSeen[PublicSubobject] > 1) |
| 847 | continue; |
| 848 | |
| 849 | Objects.push_back(PublicSubobject); |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | |
| 854 | bool Sema::CheckCXXThrowOperand(SourceLocation ThrowLoc, |
| 855 | QualType ExceptionObjectTy, Expr *E) { |
| 856 | |
| 857 | |
| 858 | QualType Ty = ExceptionObjectTy; |
| 859 | bool isPointer = false; |
| 860 | if (const PointerType* Ptr = Ty->getAs<PointerType>()) { |
| 861 | Ty = Ptr->getPointeeType(); |
| 862 | isPointer = true; |
| 863 | } |
| 864 | if (!isPointer || !Ty->isVoidType()) { |
| 865 | if (RequireCompleteType(ThrowLoc, Ty, |
| 866 | isPointer ? diag::err_throw_incomplete_ptr |
| 867 | : diag::err_throw_incomplete, |
| 868 | E->getSourceRange())) |
| 869 | return true; |
| 870 | |
| 871 | if (RequireNonAbstractType(ThrowLoc, ExceptionObjectTy, |
| 872 | diag::err_throw_abstract_type, E)) |
| 873 | return true; |
| 874 | } |
| 875 | |
| 876 | |
| 877 | CXXRecordDecl *RD = Ty->getAsCXXRecordDecl(); |
| 878 | if (!RD) |
| 879 | return false; |
| 880 | |
| 881 | |
| 882 | |
| 883 | MarkVTableUsed(ThrowLoc, RD); |
| 884 | |
| 885 | |
| 886 | if (isPointer) |
| 887 | return false; |
| 888 | |
| 889 | |
| 890 | if (!RD->hasIrrelevantDestructor()) { |
| 891 | if (CXXDestructorDecl *Destructor = LookupDestructor(RD)) { |
| 892 | MarkFunctionReferenced(E->getExprLoc(), Destructor); |
| 893 | CheckDestructorAccess(E->getExprLoc(), Destructor, |
| 894 | PDiag(diag::err_access_dtor_exception) << Ty); |
| 895 | if (DiagnoseUseOfDecl(Destructor, E->getExprLoc())) |
| 896 | return true; |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | |
| 901 | |
| 902 | |
| 903 | if (Context.getTargetInfo().getCXXABI().isMicrosoft()) { |
| 904 | |
| 905 | |
| 906 | |
| 907 | llvm::SmallVector<CXXRecordDecl *, 2> UnambiguousPublicSubobjects; |
| 908 | getUnambiguousPublicSubobjects(RD, UnambiguousPublicSubobjects); |
| 909 | |
| 910 | for (CXXRecordDecl *Subobject : UnambiguousPublicSubobjects) { |
| 911 | |
| 912 | |
| 913 | |
| 914 | |
| 915 | CXXConstructorDecl *CD = LookupCopyingConstructor(Subobject, 0); |
| 916 | if (!CD) |
| 917 | continue; |
| 918 | |
| 919 | |
| 920 | MarkFunctionReferenced(E->getExprLoc(), CD); |
| 921 | |
| 922 | |
| 923 | |
| 924 | if (CD->isTrivial()) |
| 925 | continue; |
| 926 | |
| 927 | |
| 928 | |
| 929 | |
| 930 | |
| 931 | |
| 932 | |
| 933 | Context.addCopyConstructorForExceptionObject(Subobject, CD); |
| 934 | |
| 935 | |
| 936 | |
| 937 | for (unsigned I = 1, E = CD->getNumParams(); I != E; ++I) { |
| 938 | if (CheckCXXDefaultArgExpr(ThrowLoc, CD, CD->getParamDecl(I))) |
| 939 | return true; |
| 940 | } |
| 941 | } |
| 942 | } |
| 943 | |
| 944 | return false; |
| 945 | } |
| 946 | |
| 947 | static QualType adjustCVQualifiersForCXXThisWithinLambda( |
| 948 | ArrayRef<FunctionScopeInfo *> FunctionScopes, QualType ThisTy, |
| 949 | DeclContext *CurSemaContext, ASTContext &ASTCtx) { |
| 950 | |
| 951 | QualType ClassType = ThisTy->getPointeeType(); |
| 952 | LambdaScopeInfo *CurLSI = nullptr; |
| 953 | DeclContext *CurDC = CurSemaContext; |
| 954 | |
| 955 | |
| 956 | |
| 957 | |
| 958 | |
| 959 | |
| 960 | |
| 961 | |
| 962 | |
| 963 | |
| 964 | |
| 965 | |
| 966 | |
| 967 | |
| 968 | |
| 969 | |
| 970 | |
| 971 | |
| 972 | |
| 973 | |
| 974 | |
| 975 | |
| 976 | |
| 977 | |
| 978 | |
| 979 | |
| 980 | |
| 981 | |
| 982 | |
| 983 | |
| 984 | |
| 985 | |
| 986 | |
| 987 | |
| 988 | |
| 989 | |
| 990 | |
| 991 | for (int I = FunctionScopes.size(); |
| 992 | I-- && isa<LambdaScopeInfo>(FunctionScopes[I]) && |
| 993 | (!CurLSI || !CurLSI->Lambda || CurLSI->Lambda->getDeclContext() == |
| 994 | cast<LambdaScopeInfo>(FunctionScopes[I])->CallOperator); |
| 995 | CurDC = getLambdaAwareParentOfDeclContext(CurDC)) { |
| 996 | CurLSI = cast<LambdaScopeInfo>(FunctionScopes[I]); |
| 997 | |
| 998 | if (!CurLSI->isCXXThisCaptured()) |
| 999 | continue; |
| 1000 | |
| 1001 | auto C = CurLSI->getCXXThisCapture(); |
| 1002 | |
| 1003 | if (C.isCopyCapture()) { |
| 1004 | ClassType.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
| 1005 | if (CurLSI->CallOperator->isConst()) |
| 1006 | ClassType.addConst(); |
| 1007 | return ASTCtx.getPointerType(ClassType); |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | |
| 1012 | |
| 1013 | if (isLambdaCallOperator(CurDC)) { |
| 1014 | (0) . __assert_fail ("CurLSI && \"While computing 'this' capture-type for a generic \" \"lambda, we must have a corresponding LambdaScopeInfo\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1015, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(CurLSI && "While computing 'this' capture-type for a generic " |
| 1015 | (0) . __assert_fail ("CurLSI && \"While computing 'this' capture-type for a generic \" \"lambda, we must have a corresponding LambdaScopeInfo\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1015, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "lambda, we must have a corresponding LambdaScopeInfo"); |
| 1016 | (0) . __assert_fail ("isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && \"While computing 'this' capture-type for a generic lambda, when we \" \"run out of enclosing LSI's, yet the enclosing DC is a \" \"lambda-call-operator we must be (i.e. Current LSI) in a generic \" \"lambda call oeprator\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && |
| 1017 | (0) . __assert_fail ("isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && \"While computing 'this' capture-type for a generic lambda, when we \" \"run out of enclosing LSI's, yet the enclosing DC is a \" \"lambda-call-operator we must be (i.e. Current LSI) in a generic \" \"lambda call oeprator\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "While computing 'this' capture-type for a generic lambda, when we " |
| 1018 | (0) . __assert_fail ("isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && \"While computing 'this' capture-type for a generic lambda, when we \" \"run out of enclosing LSI's, yet the enclosing DC is a \" \"lambda-call-operator we must be (i.e. Current LSI) in a generic \" \"lambda call oeprator\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "run out of enclosing LSI's, yet the enclosing DC is a " |
| 1019 | (0) . __assert_fail ("isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && \"While computing 'this' capture-type for a generic lambda, when we \" \"run out of enclosing LSI's, yet the enclosing DC is a \" \"lambda-call-operator we must be (i.e. Current LSI) in a generic \" \"lambda call oeprator\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "lambda-call-operator we must be (i.e. Current LSI) in a generic " |
| 1020 | (0) . __assert_fail ("isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && \"While computing 'this' capture-type for a generic lambda, when we \" \"run out of enclosing LSI's, yet the enclosing DC is a \" \"lambda-call-operator we must be (i.e. Current LSI) in a generic \" \"lambda call oeprator\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "lambda call oeprator"); |
| 1021 | CallOperator)", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1021, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(CurDC == getLambdaAwareParentOfDeclContext(CurLSI->CallOperator)); |
| 1022 | |
| 1023 | auto IsThisCaptured = |
| 1024 | [](CXXRecordDecl *Closure, bool &IsByCopy, bool &IsConst) { |
| 1025 | IsConst = false; |
| 1026 | IsByCopy = false; |
| 1027 | for (auto &&C : Closure->captures()) { |
| 1028 | if (C.capturesThis()) { |
| 1029 | if (C.getCaptureKind() == LCK_StarThis) |
| 1030 | IsByCopy = true; |
| 1031 | if (Closure->getLambdaCallOperator()->isConst()) |
| 1032 | IsConst = true; |
| 1033 | return true; |
| 1034 | } |
| 1035 | } |
| 1036 | return false; |
| 1037 | }; |
| 1038 | |
| 1039 | bool IsByCopyCapture = false; |
| 1040 | bool IsConstCapture = false; |
| 1041 | CXXRecordDecl *Closure = cast<CXXRecordDecl>(CurDC->getParent()); |
| 1042 | while (Closure && |
| 1043 | IsThisCaptured(Closure, IsByCopyCapture, IsConstCapture)) { |
| 1044 | if (IsByCopyCapture) { |
| 1045 | ClassType.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
| 1046 | if (IsConstCapture) |
| 1047 | ClassType.addConst(); |
| 1048 | return ASTCtx.getPointerType(ClassType); |
| 1049 | } |
| 1050 | Closure = isLambdaCallOperator(Closure->getParent()) |
| 1051 | ? cast<CXXRecordDecl>(Closure->getParent()->getParent()) |
| 1052 | : nullptr; |
| 1053 | } |
| 1054 | } |
| 1055 | return ASTCtx.getPointerType(ClassType); |
| 1056 | } |
| 1057 | |
| 1058 | QualType Sema::getCurrentThisType() { |
| 1059 | DeclContext *DC = getFunctionLevelDeclContext(); |
| 1060 | QualType ThisTy = CXXThisTypeOverride; |
| 1061 | |
| 1062 | if (CXXMethodDecl *method = dyn_cast<CXXMethodDecl>(DC)) { |
| 1063 | if (method && method->isInstance()) |
| 1064 | ThisTy = method->getThisType(); |
| 1065 | } |
| 1066 | |
| 1067 | if (ThisTy.isNull() && isLambdaCallOperator(CurContext) && |
| 1068 | inTemplateInstantiation()) { |
| 1069 | |
| 1070 | (0) . __assert_fail ("isa(DC) && \"Trying to get 'this' type from static method?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1071, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isa<CXXRecordDecl>(DC) && |
| 1071 | (0) . __assert_fail ("isa(DC) && \"Trying to get 'this' type from static method?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1071, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Trying to get 'this' type from static method?"); |
| 1072 | |
| 1073 | |
| 1074 | |
| 1075 | |
| 1076 | |
| 1077 | QualType ClassTy = Context.getTypeDeclType(cast<CXXRecordDecl>(DC)); |
| 1078 | |
| 1079 | |
| 1080 | ThisTy = Context.getPointerType(ClassTy); |
| 1081 | } |
| 1082 | |
| 1083 | |
| 1084 | |
| 1085 | |
| 1086 | if (!ThisTy.isNull() && isLambdaCallOperator(CurContext)) |
| 1087 | return adjustCVQualifiersForCXXThisWithinLambda(FunctionScopes, ThisTy, |
| 1088 | CurContext, Context); |
| 1089 | return ThisTy; |
| 1090 | } |
| 1091 | |
| 1092 | Sema::CXXThisScopeRAII::CXXThisScopeRAII(Sema &S, |
| 1093 | Decl *ContextDecl, |
| 1094 | Qualifiers CXXThisTypeQuals, |
| 1095 | bool Enabled) |
| 1096 | : S(S), OldCXXThisTypeOverride(S.CXXThisTypeOverride), Enabled(false) |
| 1097 | { |
| 1098 | if (!Enabled || !ContextDecl) |
| 1099 | return; |
| 1100 | |
| 1101 | CXXRecordDecl *Record = nullptr; |
| 1102 | if (ClassTemplateDecl *Template = dyn_cast<ClassTemplateDecl>(ContextDecl)) |
| 1103 | Record = Template->getTemplatedDecl(); |
| 1104 | else |
| 1105 | Record = cast<CXXRecordDecl>(ContextDecl); |
| 1106 | |
| 1107 | QualType T = S.Context.getRecordType(Record); |
| 1108 | T = S.getASTContext().getQualifiedType(T, CXXThisTypeQuals); |
| 1109 | |
| 1110 | S.CXXThisTypeOverride = S.Context.getPointerType(T); |
| 1111 | |
| 1112 | this->Enabled = true; |
| 1113 | } |
| 1114 | |
| 1115 | |
| 1116 | Sema::CXXThisScopeRAII::~CXXThisScopeRAII() { |
| 1117 | if (Enabled) { |
| 1118 | S.CXXThisTypeOverride = OldCXXThisTypeOverride; |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | static Expr *captureThis(Sema &S, ASTContext &Context, RecordDecl *RD, |
| 1123 | QualType ThisTy, SourceLocation Loc, |
| 1124 | const bool ByCopy) { |
| 1125 | |
| 1126 | QualType AdjustedThisTy = ThisTy; |
| 1127 | |
| 1128 | |
| 1129 | QualType CaptureThisFieldTy = ThisTy; |
| 1130 | if (ByCopy) { |
| 1131 | |
| 1132 | |
| 1133 | |
| 1134 | CaptureThisFieldTy = ThisTy->getPointeeType(); |
| 1135 | CaptureThisFieldTy.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
| 1136 | AdjustedThisTy = Context.getPointerType(CaptureThisFieldTy); |
| 1137 | } |
| 1138 | |
| 1139 | FieldDecl *Field = FieldDecl::Create( |
| 1140 | Context, RD, Loc, Loc, nullptr, CaptureThisFieldTy, |
| 1141 | Context.getTrivialTypeSourceInfo(CaptureThisFieldTy, Loc), nullptr, false, |
| 1142 | ICIS_NoInit); |
| 1143 | |
| 1144 | Field->setImplicit(true); |
| 1145 | Field->setAccess(AS_private); |
| 1146 | RD->addDecl(Field); |
| 1147 | Expr *This = |
| 1148 | new (Context) CXXThisExpr(Loc, ThisTy, true); |
| 1149 | if (ByCopy) { |
| 1150 | Expr *StarThis = S.CreateBuiltinUnaryOp(Loc, |
| 1151 | UO_Deref, |
| 1152 | This).get(); |
| 1153 | InitializedEntity Entity = InitializedEntity::InitializeLambdaCapture( |
| 1154 | nullptr, CaptureThisFieldTy, Loc); |
| 1155 | InitializationKind InitKind = InitializationKind::CreateDirect(Loc, Loc, Loc); |
| 1156 | InitializationSequence Init(S, Entity, InitKind, StarThis); |
| 1157 | ExprResult ER = Init.Perform(S, Entity, InitKind, StarThis); |
| 1158 | if (ER.isInvalid()) return nullptr; |
| 1159 | return ER.get(); |
| 1160 | } |
| 1161 | return This; |
| 1162 | } |
| 1163 | |
| 1164 | bool Sema::CheckCXXThisCapture(SourceLocation Loc, const bool Explicit, |
| 1165 | bool BuildAndDiagnose, const unsigned *const FunctionScopeIndexToStopAt, |
| 1166 | const bool ByCopy) { |
| 1167 | |
| 1168 | if (isUnevaluatedContext() && !Explicit) |
| 1169 | return true; |
| 1170 | |
| 1171 | (0) . __assert_fail ("(!ByCopy || Explicit) && \"cannot implicitly capture *this by value\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1171, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((!ByCopy || Explicit) && "cannot implicitly capture *this by value"); |
| 1172 | |
| 1173 | const int MaxFunctionScopesIndex = FunctionScopeIndexToStopAt |
| 1174 | ? *FunctionScopeIndexToStopAt |
| 1175 | : FunctionScopes.size() - 1; |
| 1176 | |
| 1177 | |
| 1178 | |
| 1179 | |
| 1180 | |
| 1181 | |
| 1182 | |
| 1183 | |
| 1184 | |
| 1185 | |
| 1186 | |
| 1187 | |
| 1188 | |
| 1189 | |
| 1190 | |
| 1191 | |
| 1192 | |
| 1193 | |
| 1194 | |
| 1195 | |
| 1196 | |
| 1197 | |
| 1198 | |
| 1199 | |
| 1200 | unsigned NumCapturingClosures = 0; |
| 1201 | for (int idx = MaxFunctionScopesIndex; idx >= 0; idx--) { |
| 1202 | if (CapturingScopeInfo *CSI = |
| 1203 | dyn_cast<CapturingScopeInfo>(FunctionScopes[idx])) { |
| 1204 | if (CSI->CXXThisCaptureIndex != 0) { |
| 1205 | |
| 1206 | CSI->Captures[CSI->CXXThisCaptureIndex - 1].markUsed(BuildAndDiagnose); |
| 1207 | break; |
| 1208 | } |
| 1209 | LambdaScopeInfo *LSI = dyn_cast<LambdaScopeInfo>(CSI); |
| 1210 | if (LSI && isGenericLambdaCallOperatorSpecialization(LSI->CallOperator)) { |
| 1211 | |
| 1212 | if (BuildAndDiagnose) |
| 1213 | Diag(Loc, diag::err_this_capture) |
| 1214 | << (Explicit && idx == MaxFunctionScopesIndex); |
| 1215 | return true; |
| 1216 | } |
| 1217 | if (CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_LambdaByref || |
| 1218 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_LambdaByval || |
| 1219 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_Block || |
| 1220 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_CapturedRegion || |
| 1221 | (Explicit && idx == MaxFunctionScopesIndex)) { |
| 1222 | |
| 1223 | |
| 1224 | |
| 1225 | |
| 1226 | |
| 1227 | NumCapturingClosures++; |
| 1228 | continue; |
| 1229 | } |
| 1230 | |
| 1231 | if (BuildAndDiagnose) |
| 1232 | Diag(Loc, diag::err_this_capture) |
| 1233 | << (Explicit && idx == MaxFunctionScopesIndex); |
| 1234 | return true; |
| 1235 | } |
| 1236 | break; |
| 1237 | } |
| 1238 | if (!BuildAndDiagnose) return false; |
| 1239 | |
| 1240 | |
| 1241 | |
| 1242 | |
| 1243 | |
| 1244 | |
| 1245 | |
| 1246 | |
| 1247 | |
| 1248 | |
| 1249 | (0) . __assert_fail ("(!ByCopy || dyn_cast(FunctionScopes[MaxFunctionScopesIndex])) && \"Only a lambda can capture the enclosing object (referred to by \" \"*this) by copy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1252, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((!ByCopy || |
| 1250 | (0) . __assert_fail ("(!ByCopy || dyn_cast(FunctionScopes[MaxFunctionScopesIndex])) && \"Only a lambda can capture the enclosing object (referred to by \" \"*this) by copy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1252, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> dyn_cast<LambdaScopeInfo>(FunctionScopes[MaxFunctionScopesIndex])) && |
| 1251 | (0) . __assert_fail ("(!ByCopy || dyn_cast(FunctionScopes[MaxFunctionScopesIndex])) && \"Only a lambda can capture the enclosing object (referred to by \" \"*this) by copy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1252, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Only a lambda can capture the enclosing object (referred to by " |
| 1252 | (0) . __assert_fail ("(!ByCopy || dyn_cast(FunctionScopes[MaxFunctionScopesIndex])) && \"Only a lambda can capture the enclosing object (referred to by \" \"*this) by copy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1252, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "*this) by copy"); |
| 1253 | |
| 1254 | |
| 1255 | QualType ThisTy = getCurrentThisType(); |
| 1256 | for (int idx = MaxFunctionScopesIndex; NumCapturingClosures; |
| 1257 | --idx, --NumCapturingClosures) { |
| 1258 | CapturingScopeInfo *CSI = cast<CapturingScopeInfo>(FunctionScopes[idx]); |
| 1259 | Expr *ThisExpr = nullptr; |
| 1260 | |
| 1261 | if (LambdaScopeInfo *LSI = dyn_cast<LambdaScopeInfo>(CSI)) { |
| 1262 | |
| 1263 | |
| 1264 | |
| 1265 | ThisExpr = captureThis(*this, Context, LSI->Lambda, ThisTy, Loc, |
| 1266 | ByCopy && idx == MaxFunctionScopesIndex); |
| 1267 | |
| 1268 | } else if (CapturedRegionScopeInfo *RSI |
| 1269 | = dyn_cast<CapturedRegionScopeInfo>(FunctionScopes[idx])) |
| 1270 | ThisExpr = |
| 1271 | captureThis(*this, Context, RSI->TheRecordDecl, ThisTy, Loc, |
| 1272 | false); |
| 1273 | |
| 1274 | bool isNested = NumCapturingClosures > 1; |
| 1275 | CSI->addThisCapture(isNested, Loc, ThisExpr, ByCopy); |
| 1276 | } |
| 1277 | return false; |
| 1278 | } |
| 1279 | |
| 1280 | ExprResult Sema::ActOnCXXThis(SourceLocation Loc) { |
| 1281 | |
| 1282 | |
| 1283 | |
| 1284 | |
| 1285 | QualType ThisTy = getCurrentThisType(); |
| 1286 | if (ThisTy.isNull()) return Diag(Loc, diag::err_invalid_this_use); |
| 1287 | |
| 1288 | CheckCXXThisCapture(Loc); |
| 1289 | return new (Context) CXXThisExpr(Loc, ThisTy, ); |
| 1290 | } |
| 1291 | |
| 1292 | bool Sema::isThisOutsideMemberFunctionBody(QualType BaseType) { |
| 1293 | |
| 1294 | |
| 1295 | if (CXXThisTypeOverride.isNull()) |
| 1296 | return false; |
| 1297 | |
| 1298 | |
| 1299 | |
| 1300 | CXXRecordDecl *Class = BaseType->getAsCXXRecordDecl(); |
| 1301 | return Class && Class->isBeingDefined(); |
| 1302 | } |
| 1303 | |
| 1304 | |
| 1305 | |
| 1306 | |
| 1307 | |
| 1308 | ExprResult |
| 1309 | Sema::ActOnCXXTypeConstructExpr(ParsedType TypeRep, |
| 1310 | SourceLocation LParenOrBraceLoc, |
| 1311 | MultiExprArg exprs, |
| 1312 | SourceLocation RParenOrBraceLoc, |
| 1313 | bool ListInitialization) { |
| 1314 | if (!TypeRep) |
| 1315 | return ExprError(); |
| 1316 | |
| 1317 | TypeSourceInfo *TInfo; |
| 1318 | QualType Ty = GetTypeFromParser(TypeRep, &TInfo); |
| 1319 | if (!TInfo) |
| 1320 | TInfo = Context.getTrivialTypeSourceInfo(Ty, SourceLocation()); |
| 1321 | |
| 1322 | auto Result = BuildCXXTypeConstructExpr(TInfo, LParenOrBraceLoc, exprs, |
| 1323 | RParenOrBraceLoc, ListInitialization); |
| 1324 | |
| 1325 | |
| 1326 | |
| 1327 | if (!Result.isInvalid() && Result.get()->isInstantiationDependent() && |
| 1328 | !Result.get()->isTypeDependent()) |
| 1329 | Result = CorrectDelayedTyposInExpr(Result.get()); |
| 1330 | return Result; |
| 1331 | } |
| 1332 | |
| 1333 | ExprResult |
| 1334 | Sema::BuildCXXTypeConstructExpr(TypeSourceInfo *TInfo, |
| 1335 | SourceLocation LParenOrBraceLoc, |
| 1336 | MultiExprArg Exprs, |
| 1337 | SourceLocation RParenOrBraceLoc, |
| 1338 | bool ListInitialization) { |
| 1339 | QualType Ty = TInfo->getType(); |
| 1340 | SourceLocation TyBeginLoc = TInfo->getTypeLoc().getBeginLoc(); |
| 1341 | |
| 1342 | if (Ty->isDependentType() || CallExpr::hasAnyTypeDependentArguments(Exprs)) { |
| 1343 | |
| 1344 | |
| 1345 | SourceRange Locs = ListInitialization |
| 1346 | ? SourceRange() |
| 1347 | : SourceRange(LParenOrBraceLoc, RParenOrBraceLoc); |
| 1348 | return CXXUnresolvedConstructExpr::Create(Context, TInfo, Locs.getBegin(), |
| 1349 | Exprs, Locs.getEnd()); |
| 1350 | } |
| 1351 | |
| 1352 | (0) . __assert_fail ("(!ListInitialization || (Exprs.size() == 1 && isa(Exprs[0]))) && \"List initialization must have initializer list as expression.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1354, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((!ListInitialization || |
| 1353 | (0) . __assert_fail ("(!ListInitialization || (Exprs.size() == 1 && isa(Exprs[0]))) && \"List initialization must have initializer list as expression.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1354, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> (Exprs.size() == 1 && isa<InitListExpr>(Exprs[0]))) && |
| 1354 | (0) . __assert_fail ("(!ListInitialization || (Exprs.size() == 1 && isa(Exprs[0]))) && \"List initialization must have initializer list as expression.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1354, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "List initialization must have initializer list as expression."); |
| 1355 | SourceRange FullRange = SourceRange(TyBeginLoc, RParenOrBraceLoc); |
| 1356 | |
| 1357 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TInfo); |
| 1358 | InitializationKind Kind = |
| 1359 | Exprs.size() |
| 1360 | ? ListInitialization |
| 1361 | ? InitializationKind::CreateDirectList( |
| 1362 | TyBeginLoc, LParenOrBraceLoc, RParenOrBraceLoc) |
| 1363 | : InitializationKind::CreateDirect(TyBeginLoc, LParenOrBraceLoc, |
| 1364 | RParenOrBraceLoc) |
| 1365 | : InitializationKind::CreateValue(TyBeginLoc, LParenOrBraceLoc, |
| 1366 | RParenOrBraceLoc); |
| 1367 | |
| 1368 | |
| 1369 | |
| 1370 | |
| 1371 | DeducedType *Deduced = Ty->getContainedDeducedType(); |
| 1372 | if (Deduced && isa<DeducedTemplateSpecializationType>(Deduced)) { |
| 1373 | Ty = DeduceTemplateSpecializationFromInitializer(TInfo, Entity, |
| 1374 | Kind, Exprs); |
| 1375 | if (Ty.isNull()) |
| 1376 | return ExprError(); |
| 1377 | Entity = InitializedEntity::InitializeTemporary(TInfo, Ty); |
| 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | |
| 1382 | |
| 1383 | |
| 1384 | if (Exprs.size() == 1 && !ListInitialization && |
| 1385 | !isa<InitListExpr>(Exprs[0])) { |
| 1386 | Expr *Arg = Exprs[0]; |
| 1387 | return BuildCXXFunctionalCastExpr(TInfo, Ty, LParenOrBraceLoc, Arg, |
| 1388 | RParenOrBraceLoc); |
| 1389 | } |
| 1390 | |
| 1391 | |
| 1392 | QualType ElemTy = Ty; |
| 1393 | if (Ty->isArrayType()) { |
| 1394 | if (!ListInitialization) |
| 1395 | return ExprError(Diag(TyBeginLoc, diag::err_value_init_for_array_type) |
| 1396 | << FullRange); |
| 1397 | ElemTy = Context.getBaseElementType(Ty); |
| 1398 | } |
| 1399 | |
| 1400 | |
| 1401 | |
| 1402 | if (Ty->isFunctionType()) |
| 1403 | return ExprError(Diag(TyBeginLoc, diag::err_init_for_function_type) |
| 1404 | << Ty << FullRange); |
| 1405 | |
| 1406 | |
| 1407 | |
| 1408 | |
| 1409 | if (!Ty->isVoidType() && |
| 1410 | RequireCompleteType(TyBeginLoc, ElemTy, |
| 1411 | diag::err_invalid_incomplete_type_use, FullRange)) |
| 1412 | return ExprError(); |
| 1413 | |
| 1414 | |
| 1415 | |
| 1416 | InitializationSequence InitSeq(*this, Entity, Kind, Exprs); |
| 1417 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Exprs); |
| 1418 | |
| 1419 | if (Result.isInvalid()) |
| 1420 | return Result; |
| 1421 | |
| 1422 | Expr *Inner = Result.get(); |
| 1423 | if (CXXBindTemporaryExpr *BTE = dyn_cast_or_null<CXXBindTemporaryExpr>(Inner)) |
| 1424 | Inner = BTE->getSubExpr(); |
| 1425 | if (!isa<CXXTemporaryObjectExpr>(Inner) && |
| 1426 | !isa<CXXScalarValueInitExpr>(Inner)) { |
| 1427 | |
| 1428 | |
| 1429 | |
| 1430 | |
| 1431 | |
| 1432 | |
| 1433 | |
| 1434 | |
| 1435 | QualType ResultType = Result.get()->getType(); |
| 1436 | SourceRange Locs = ListInitialization |
| 1437 | ? SourceRange() |
| 1438 | : SourceRange(LParenOrBraceLoc, RParenOrBraceLoc); |
| 1439 | Result = CXXFunctionalCastExpr::Create( |
| 1440 | Context, ResultType, Expr::getValueKindForType(Ty), TInfo, CK_NoOp, |
| 1441 | Result.get(), , Locs.getBegin(), Locs.getEnd()); |
| 1442 | } |
| 1443 | |
| 1444 | return Result; |
| 1445 | } |
| 1446 | |
| 1447 | bool Sema::isUsualDeallocationFunction(const CXXMethodDecl *Method) { |
| 1448 | |
| 1449 | const FunctionDecl *Caller = dyn_cast<FunctionDecl>(CurContext); |
| 1450 | if (getLangOpts().CUDA && |
| 1451 | IdentifyCUDAPreference(Caller, Method) <= CFP_WrongSide) |
| 1452 | return false; |
| 1453 | |
| 1454 | SmallVector<const FunctionDecl*, 4> PreventedBy; |
| 1455 | bool Result = Method->isUsualDeallocationFunction(PreventedBy); |
| 1456 | |
| 1457 | if (Result || !getLangOpts().CUDA || PreventedBy.empty()) |
| 1458 | return Result; |
| 1459 | |
| 1460 | |
| 1461 | |
| 1462 | return llvm::none_of(PreventedBy, [&](const FunctionDecl *FD) { |
| 1463 | (0) . __assert_fail ("FD->getNumParams() == 1 && \"Only single-operand functions should be in PreventedBy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1464, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(FD->getNumParams() == 1 && |
| 1464 | (0) . __assert_fail ("FD->getNumParams() == 1 && \"Only single-operand functions should be in PreventedBy\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1464, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Only single-operand functions should be in PreventedBy"); |
| 1465 | return IdentifyCUDAPreference(Caller, FD) >= CFP_HostDevice; |
| 1466 | }); |
| 1467 | } |
| 1468 | |
| 1469 | |
| 1470 | |
| 1471 | static bool isNonPlacementDeallocationFunction(Sema &S, FunctionDecl *FD) { |
| 1472 | if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(FD)) |
| 1473 | return S.isUsualDeallocationFunction(Method); |
| 1474 | |
| 1475 | if (FD->getOverloadedOperator() != OO_Delete && |
| 1476 | FD->getOverloadedOperator() != OO_Array_Delete) |
| 1477 | return false; |
| 1478 | |
| 1479 | unsigned UsualParams = 1; |
| 1480 | |
| 1481 | if (S.getLangOpts().SizedDeallocation && UsualParams < FD->getNumParams() && |
| 1482 | S.Context.hasSameUnqualifiedType( |
| 1483 | FD->getParamDecl(UsualParams)->getType(), |
| 1484 | S.Context.getSizeType())) |
| 1485 | ++UsualParams; |
| 1486 | |
| 1487 | if (S.getLangOpts().AlignedAllocation && UsualParams < FD->getNumParams() && |
| 1488 | S.Context.hasSameUnqualifiedType( |
| 1489 | FD->getParamDecl(UsualParams)->getType(), |
| 1490 | S.Context.getTypeDeclType(S.getStdAlignValT()))) |
| 1491 | ++UsualParams; |
| 1492 | |
| 1493 | return UsualParams == FD->getNumParams(); |
| 1494 | } |
| 1495 | |
| 1496 | namespace { |
| 1497 | struct UsualDeallocFnInfo { |
| 1498 | UsualDeallocFnInfo() : Found(), FD(nullptr) {} |
| 1499 | UsualDeallocFnInfo(Sema &S, DeclAccessPair Found) |
| 1500 | : Found(Found), FD(dyn_cast<FunctionDecl>(Found->getUnderlyingDecl())), |
| 1501 | Destroying(false), HasSizeT(false), HasAlignValT(false), |
| 1502 | CUDAPref(Sema::CFP_Native) { |
| 1503 | |
| 1504 | if (!FD) |
| 1505 | return; |
| 1506 | unsigned NumBaseParams = 1; |
| 1507 | if (FD->isDestroyingOperatorDelete()) { |
| 1508 | Destroying = true; |
| 1509 | ++NumBaseParams; |
| 1510 | } |
| 1511 | |
| 1512 | if (NumBaseParams < FD->getNumParams() && |
| 1513 | S.Context.hasSameUnqualifiedType( |
| 1514 | FD->getParamDecl(NumBaseParams)->getType(), |
| 1515 | S.Context.getSizeType())) { |
| 1516 | ++NumBaseParams; |
| 1517 | HasSizeT = true; |
| 1518 | } |
| 1519 | |
| 1520 | if (NumBaseParams < FD->getNumParams() && |
| 1521 | FD->getParamDecl(NumBaseParams)->getType()->isAlignValT()) { |
| 1522 | ++NumBaseParams; |
| 1523 | HasAlignValT = true; |
| 1524 | } |
| 1525 | |
| 1526 | |
| 1527 | if (S.getLangOpts().CUDA) |
| 1528 | if (auto *Caller = dyn_cast<FunctionDecl>(S.CurContext)) |
| 1529 | CUDAPref = S.IdentifyCUDAPreference(Caller, FD); |
| 1530 | } |
| 1531 | |
| 1532 | explicit operator bool() const { return FD; } |
| 1533 | |
| 1534 | bool isBetterThan(const UsualDeallocFnInfo &Other, bool WantSize, |
| 1535 | bool WantAlign) const { |
| 1536 | |
| 1537 | |
| 1538 | |
| 1539 | if (Destroying != Other.Destroying) |
| 1540 | return Destroying; |
| 1541 | |
| 1542 | |
| 1543 | |
| 1544 | |
| 1545 | |
| 1546 | if (HasAlignValT != Other.HasAlignValT) |
| 1547 | return HasAlignValT == WantAlign; |
| 1548 | |
| 1549 | if (HasSizeT != Other.HasSizeT) |
| 1550 | return HasSizeT == WantSize; |
| 1551 | |
| 1552 | |
| 1553 | return CUDAPref > Other.CUDAPref; |
| 1554 | } |
| 1555 | |
| 1556 | DeclAccessPair Found; |
| 1557 | FunctionDecl *FD; |
| 1558 | bool Destroying, HasSizeT, HasAlignValT; |
| 1559 | Sema::CUDAFunctionPreference CUDAPref; |
| 1560 | }; |
| 1561 | } |
| 1562 | |
| 1563 | |
| 1564 | |
| 1565 | |
| 1566 | |
| 1567 | static bool hasNewExtendedAlignment(Sema &S, QualType AllocType) { |
| 1568 | return S.getLangOpts().AlignedAllocation && |
| 1569 | S.getASTContext().getTypeAlignIfKnown(AllocType) > |
| 1570 | S.getASTContext().getTargetInfo().getNewAlign(); |
| 1571 | } |
| 1572 | |
| 1573 | |
| 1574 | |
| 1575 | static UsualDeallocFnInfo resolveDeallocationOverload( |
| 1576 | Sema &S, LookupResult &R, bool WantSize, bool WantAlign, |
| 1577 | llvm::SmallVectorImpl<UsualDeallocFnInfo> *BestFns = nullptr) { |
| 1578 | UsualDeallocFnInfo Best; |
| 1579 | |
| 1580 | for (auto I = R.begin(), E = R.end(); I != E; ++I) { |
| 1581 | UsualDeallocFnInfo Info(S, I.getPair()); |
| 1582 | if (!Info || !isNonPlacementDeallocationFunction(S, Info.FD) || |
| 1583 | Info.CUDAPref == Sema::CFP_Never) |
| 1584 | continue; |
| 1585 | |
| 1586 | if (!Best) { |
| 1587 | Best = Info; |
| 1588 | if (BestFns) |
| 1589 | BestFns->push_back(Info); |
| 1590 | continue; |
| 1591 | } |
| 1592 | |
| 1593 | if (Best.isBetterThan(Info, WantSize, WantAlign)) |
| 1594 | continue; |
| 1595 | |
| 1596 | |
| 1597 | |
| 1598 | if (BestFns && Info.isBetterThan(Best, WantSize, WantAlign)) |
| 1599 | BestFns->clear(); |
| 1600 | |
| 1601 | Best = Info; |
| 1602 | if (BestFns) |
| 1603 | BestFns->push_back(Info); |
| 1604 | } |
| 1605 | |
| 1606 | return Best; |
| 1607 | } |
| 1608 | |
| 1609 | |
| 1610 | |
| 1611 | |
| 1612 | |
| 1613 | static bool doesUsualArrayDeleteWantSize(Sema &S, SourceLocation loc, |
| 1614 | QualType allocType) { |
| 1615 | const RecordType *record = |
| 1616 | allocType->getBaseElementTypeUnsafe()->getAs<RecordType>(); |
| 1617 | if (!record) return false; |
| 1618 | |
| 1619 | |
| 1620 | |
| 1621 | DeclarationName deleteName = |
| 1622 | S.Context.DeclarationNames.getCXXOperatorName(OO_Array_Delete); |
| 1623 | LookupResult ops(S, deleteName, loc, Sema::LookupOrdinaryName); |
| 1624 | S.LookupQualifiedName(ops, record->getDecl()); |
| 1625 | |
| 1626 | |
| 1627 | ops.suppressDiagnostics(); |
| 1628 | |
| 1629 | |
| 1630 | if (ops.empty()) return false; |
| 1631 | |
| 1632 | |
| 1633 | |
| 1634 | if (ops.isAmbiguous()) return false; |
| 1635 | |
| 1636 | |
| 1637 | |
| 1638 | |
| 1639 | auto Best = resolveDeallocationOverload( |
| 1640 | S, ops, , |
| 1641 | (S, allocType)); |
| 1642 | return Best && Best.HasSizeT; |
| 1643 | } |
| 1644 | |
| 1645 | |
| 1646 | |
| 1647 | |
| 1648 | |
| 1649 | |
| 1650 | |
| 1651 | |
| 1652 | |
| 1653 | |
| 1654 | |
| 1655 | |
| 1656 | |
| 1657 | |
| 1658 | |
| 1659 | |
| 1660 | |
| 1661 | ExprResult |
| 1662 | Sema::ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| 1663 | SourceLocation PlacementLParen, MultiExprArg PlacementArgs, |
| 1664 | SourceLocation PlacementRParen, SourceRange TypeIdParens, |
| 1665 | Declarator &D, Expr *Initializer) { |
| 1666 | Expr *ArraySize = nullptr; |
| 1667 | |
| 1668 | if (D.getNumTypeObjects() > 0 && |
| 1669 | D.getTypeObject(0).Kind == DeclaratorChunk::Array) { |
| 1670 | DeclaratorChunk &Chunk = D.getTypeObject(0); |
| 1671 | if (D.getDeclSpec().hasAutoTypeSpec()) |
| 1672 | return ExprError(Diag(Chunk.Loc, diag::err_new_array_of_auto) |
| 1673 | << D.getSourceRange()); |
| 1674 | if (Chunk.Arr.hasStatic) |
| 1675 | return ExprError(Diag(Chunk.Loc, diag::err_static_illegal_in_new) |
| 1676 | << D.getSourceRange()); |
| 1677 | if (!Chunk.Arr.NumElts) |
| 1678 | return ExprError(Diag(Chunk.Loc, diag::err_array_new_needs_size) |
| 1679 | << D.getSourceRange()); |
| 1680 | |
| 1681 | ArraySize = static_cast<Expr*>(Chunk.Arr.NumElts); |
| 1682 | D.DropFirstTypeObject(); |
| 1683 | } |
| 1684 | |
| 1685 | |
| 1686 | if (ArraySize) { |
| 1687 | for (unsigned I = 0, N = D.getNumTypeObjects(); I < N; ++I) { |
| 1688 | if (D.getTypeObject(I).Kind != DeclaratorChunk::Array) |
| 1689 | break; |
| 1690 | |
| 1691 | DeclaratorChunk::ArrayTypeInfo &Array = D.getTypeObject(I).Arr; |
| 1692 | if (Expr *NumElts = (Expr *)Array.NumElts) { |
| 1693 | if (!NumElts->isTypeDependent() && !NumElts->isValueDependent()) { |
| 1694 | if (getLangOpts().CPlusPlus14) { |
| 1695 | |
| 1696 | |
| 1697 | |
| 1698 | unsigned IntWidth = Context.getTargetInfo().getIntWidth(); |
| 1699 | (0) . __assert_fail ("IntWidth && \"Builtin type of size 0?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1699, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(IntWidth && "Builtin type of size 0?"); |
| 1700 | llvm::APSInt Value(IntWidth); |
| 1701 | Array.NumElts |
| 1702 | = CheckConvertedConstantExpression(NumElts, Context.getSizeType(), Value, |
| 1703 | CCEK_NewExpr) |
| 1704 | .get(); |
| 1705 | } else { |
| 1706 | Array.NumElts |
| 1707 | = VerifyIntegerConstantExpression(NumElts, nullptr, |
| 1708 | diag::err_new_array_nonconst) |
| 1709 | .get(); |
| 1710 | } |
| 1711 | if (!Array.NumElts) |
| 1712 | return ExprError(); |
| 1713 | } |
| 1714 | } |
| 1715 | } |
| 1716 | } |
| 1717 | |
| 1718 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, ); |
| 1719 | QualType AllocType = TInfo->getType(); |
| 1720 | if (D.isInvalidType()) |
| 1721 | return ExprError(); |
| 1722 | |
| 1723 | SourceRange DirectInitRange; |
| 1724 | if (ParenListExpr *List = dyn_cast_or_null<ParenListExpr>(Initializer)) |
| 1725 | DirectInitRange = List->getSourceRange(); |
| 1726 | |
| 1727 | return BuildCXXNew(SourceRange(StartLoc, D.getEndLoc()), UseGlobal, |
| 1728 | PlacementLParen, PlacementArgs, PlacementRParen, |
| 1729 | TypeIdParens, AllocType, TInfo, ArraySize, DirectInitRange, |
| 1730 | Initializer); |
| 1731 | } |
| 1732 | |
| 1733 | static bool isLegalArrayNewInitializer(CXXNewExpr::InitializationStyle Style, |
| 1734 | Expr *Init) { |
| 1735 | if (!Init) |
| 1736 | return true; |
| 1737 | if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init)) |
| 1738 | return PLE->getNumExprs() == 0; |
| 1739 | if (isa<ImplicitValueInitExpr>(Init)) |
| 1740 | return true; |
| 1741 | else if (CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init)) |
| 1742 | return !CCE->isListInitialization() && |
| 1743 | CCE->getConstructor()->isDefaultConstructor(); |
| 1744 | else if (Style == CXXNewExpr::ListInit) { |
| 1745 | (0) . __assert_fail ("isa(Init) && \"Shouldn't create list CXXConstructExprs for arrays.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1746, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isa<InitListExpr>(Init) && |
| 1746 | (0) . __assert_fail ("isa(Init) && \"Shouldn't create list CXXConstructExprs for arrays.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1746, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Shouldn't create list CXXConstructExprs for arrays."); |
| 1747 | return true; |
| 1748 | } |
| 1749 | return false; |
| 1750 | } |
| 1751 | |
| 1752 | bool |
| 1753 | Sema::isUnavailableAlignedAllocationFunction(const FunctionDecl &FD) const { |
| 1754 | if (!getLangOpts().AlignedAllocationUnavailable) |
| 1755 | return false; |
| 1756 | if (FD.isDefined()) |
| 1757 | return false; |
| 1758 | bool IsAligned = false; |
| 1759 | if (FD.isReplaceableGlobalAllocationFunction(&IsAligned) && IsAligned) |
| 1760 | return true; |
| 1761 | return false; |
| 1762 | } |
| 1763 | |
| 1764 | |
| 1765 | |
| 1766 | void Sema::diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, |
| 1767 | SourceLocation Loc) { |
| 1768 | if (isUnavailableAlignedAllocationFunction(FD)) { |
| 1769 | const llvm::Triple &T = getASTContext().getTargetInfo().getTriple(); |
| 1770 | StringRef OSName = AvailabilityAttr::getPlatformNameSourceSpelling( |
| 1771 | getASTContext().getTargetInfo().getPlatformName()); |
| 1772 | |
| 1773 | OverloadedOperatorKind Kind = FD.getDeclName().getCXXOverloadedOperator(); |
| 1774 | bool IsDelete = Kind == OO_Delete || Kind == OO_Array_Delete; |
| 1775 | Diag(Loc, diag::err_aligned_allocation_unavailable) |
| 1776 | << IsDelete << FD.getType().getAsString() << OSName |
| 1777 | << alignedAllocMinVersion(T.getOS()).getAsString(); |
| 1778 | Diag(Loc, diag::note_silence_aligned_allocation_unavailable); |
| 1779 | } |
| 1780 | } |
| 1781 | |
| 1782 | ExprResult |
| 1783 | Sema::BuildCXXNew(SourceRange Range, bool UseGlobal, |
| 1784 | SourceLocation PlacementLParen, |
| 1785 | MultiExprArg PlacementArgs, |
| 1786 | SourceLocation PlacementRParen, |
| 1787 | SourceRange TypeIdParens, |
| 1788 | QualType AllocType, |
| 1789 | TypeSourceInfo *AllocTypeInfo, |
| 1790 | Expr *ArraySize, |
| 1791 | SourceRange DirectInitRange, |
| 1792 | Expr *Initializer) { |
| 1793 | SourceRange TypeRange = AllocTypeInfo->getTypeLoc().getSourceRange(); |
| 1794 | SourceLocation StartLoc = Range.getBegin(); |
| 1795 | |
| 1796 | CXXNewExpr::InitializationStyle initStyle; |
| 1797 | if (DirectInitRange.isValid()) { |
| 1798 | (0) . __assert_fail ("Initializer && \"Have parens but no initializer.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1798, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Initializer && "Have parens but no initializer."); |
| 1799 | initStyle = CXXNewExpr::CallInit; |
| 1800 | } else if (Initializer && isa<InitListExpr>(Initializer)) |
| 1801 | initStyle = CXXNewExpr::ListInit; |
| 1802 | else { |
| 1803 | (0) . __assert_fail ("(!Initializer || isa(Initializer) || isa(Initializer)) && \"Initializer expression that cannot have been implicitly created.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1805, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((!Initializer || isa<ImplicitValueInitExpr>(Initializer) || |
| 1804 | (0) . __assert_fail ("(!Initializer || isa(Initializer) || isa(Initializer)) && \"Initializer expression that cannot have been implicitly created.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1805, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> isa<CXXConstructExpr>(Initializer)) && |
| 1805 | (0) . __assert_fail ("(!Initializer || isa(Initializer) || isa(Initializer)) && \"Initializer expression that cannot have been implicitly created.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1805, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Initializer expression that cannot have been implicitly created."); |
| 1806 | initStyle = CXXNewExpr::NoInit; |
| 1807 | } |
| 1808 | |
| 1809 | Expr **Inits = &Initializer; |
| 1810 | unsigned NumInits = Initializer ? 1 : 0; |
| 1811 | if (ParenListExpr *List = dyn_cast_or_null<ParenListExpr>(Initializer)) { |
| 1812 | (0) . __assert_fail ("initStyle == CXXNewExpr..CallInit && \"paren init for non-call init\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1812, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(initStyle == CXXNewExpr::CallInit && "paren init for non-call init"); |
| 1813 | Inits = List->getExprs(); |
| 1814 | NumInits = List->getNumExprs(); |
| 1815 | } |
| 1816 | |
| 1817 | |
| 1818 | |
| 1819 | |
| 1820 | InitializationKind Kind |
| 1821 | |
| 1822 | |
| 1823 | |
| 1824 | = initStyle == CXXNewExpr::NoInit |
| 1825 | ? InitializationKind::CreateDefault(TypeRange.getBegin()) |
| 1826 | |
| 1827 | |
| 1828 | |
| 1829 | : initStyle == CXXNewExpr::ListInit |
| 1830 | ? InitializationKind::CreateDirectList( |
| 1831 | TypeRange.getBegin(), Initializer->getBeginLoc(), |
| 1832 | Initializer->getEndLoc()) |
| 1833 | : InitializationKind::CreateDirect(TypeRange.getBegin(), |
| 1834 | DirectInitRange.getBegin(), |
| 1835 | DirectInitRange.getEnd()); |
| 1836 | |
| 1837 | |
| 1838 | auto *Deduced = AllocType->getContainedDeducedType(); |
| 1839 | if (Deduced && isa<DeducedTemplateSpecializationType>(Deduced)) { |
| 1840 | if (ArraySize) |
| 1841 | return ExprError(Diag(ArraySize->getExprLoc(), |
| 1842 | diag::err_deduced_class_template_compound_type) |
| 1843 | << 2 << ArraySize->getSourceRange()); |
| 1844 | |
| 1845 | InitializedEntity Entity |
| 1846 | = InitializedEntity::InitializeNew(StartLoc, AllocType); |
| 1847 | AllocType = DeduceTemplateSpecializationFromInitializer( |
| 1848 | AllocTypeInfo, Entity, Kind, MultiExprArg(Inits, NumInits)); |
| 1849 | if (AllocType.isNull()) |
| 1850 | return ExprError(); |
| 1851 | } else if (Deduced) { |
| 1852 | bool Braced = (initStyle == CXXNewExpr::ListInit); |
| 1853 | if (NumInits == 1) { |
| 1854 | if (auto p = dyn_cast_or_null<InitListExpr>(Inits[0])) { |
| 1855 | Inits = p->getInits(); |
| 1856 | NumInits = p->getNumInits(); |
| 1857 | Braced = true; |
| 1858 | } |
| 1859 | } |
| 1860 | |
| 1861 | if (initStyle == CXXNewExpr::NoInit || NumInits == 0) |
| 1862 | return ExprError(Diag(StartLoc, diag::err_auto_new_requires_ctor_arg) |
| 1863 | << AllocType << TypeRange); |
| 1864 | if (NumInits > 1) { |
| 1865 | Expr *FirstBad = Inits[1]; |
| 1866 | return ExprError(Diag(FirstBad->getBeginLoc(), |
| 1867 | diag::err_auto_new_ctor_multiple_expressions) |
| 1868 | << AllocType << TypeRange); |
| 1869 | } |
| 1870 | if (Braced && !getLangOpts().CPlusPlus17) |
| 1871 | Diag(Initializer->getBeginLoc(), diag::ext_auto_new_list_init) |
| 1872 | << AllocType << TypeRange; |
| 1873 | QualType DeducedType; |
| 1874 | if (DeduceAutoType(AllocTypeInfo, Inits[0], DeducedType) == DAR_Failed) |
| 1875 | return ExprError(Diag(StartLoc, diag::err_auto_new_deduction_failure) |
| 1876 | << AllocType << Inits[0]->getType() |
| 1877 | << TypeRange << Inits[0]->getSourceRange()); |
| 1878 | if (DeducedType.isNull()) |
| 1879 | return ExprError(); |
| 1880 | AllocType = DeducedType; |
| 1881 | } |
| 1882 | |
| 1883 | |
| 1884 | |
| 1885 | if (!ArraySize) { |
| 1886 | if (const ConstantArrayType *Array |
| 1887 | = Context.getAsConstantArrayType(AllocType)) { |
| 1888 | ArraySize = IntegerLiteral::Create(Context, Array->getSize(), |
| 1889 | Context.getSizeType(), |
| 1890 | TypeRange.getEnd()); |
| 1891 | AllocType = Array->getElementType(); |
| 1892 | } |
| 1893 | } |
| 1894 | |
| 1895 | if (CheckAllocatedType(AllocType, TypeRange.getBegin(), TypeRange)) |
| 1896 | return ExprError(); |
| 1897 | |
| 1898 | |
| 1899 | if (getLangOpts().ObjCAutoRefCount && |
| 1900 | AllocType.getObjCLifetime() == Qualifiers::OCL_None && |
| 1901 | AllocType->isObjCLifetimeType()) { |
| 1902 | AllocType = Context.getLifetimeQualifiedType(AllocType, |
| 1903 | AllocType->getObjCARCImplicitLifetime()); |
| 1904 | } |
| 1905 | |
| 1906 | QualType ResultType = Context.getPointerType(AllocType); |
| 1907 | |
| 1908 | if (ArraySize && ArraySize->getType()->isNonOverloadPlaceholderType()) { |
| 1909 | ExprResult result = CheckPlaceholderExpr(ArraySize); |
| 1910 | if (result.isInvalid()) return ExprError(); |
| 1911 | ArraySize = result.get(); |
| 1912 | } |
| 1913 | |
| 1914 | |
| 1915 | |
| 1916 | |
| 1917 | |
| 1918 | |
| 1919 | |
| 1920 | llvm::Optional<uint64_t> KnownArraySize; |
| 1921 | if (ArraySize && !ArraySize->isTypeDependent()) { |
| 1922 | ExprResult ConvertedSize; |
| 1923 | if (getLangOpts().CPlusPlus14) { |
| 1924 | (0) . __assert_fail ("Context.getTargetInfo().getIntWidth() && \"Builtin type of size 0?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 1924, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Context.getTargetInfo().getIntWidth() && "Builtin type of size 0?"); |
| 1925 | |
| 1926 | ConvertedSize = PerformImplicitConversion(ArraySize, Context.getSizeType(), |
| 1927 | AA_Converting); |
| 1928 | |
| 1929 | if (!ConvertedSize.isInvalid() && |
| 1930 | ArraySize->getType()->getAs<RecordType>()) |
| 1931 | |
| 1932 | Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion) |
| 1933 | << ArraySize->getType() << 0 << "'size_t'"; |
| 1934 | } else { |
| 1935 | class SizeConvertDiagnoser : public ICEConvertDiagnoser { |
| 1936 | protected: |
| 1937 | Expr *ArraySize; |
| 1938 | |
| 1939 | public: |
| 1940 | SizeConvertDiagnoser(Expr *ArraySize) |
| 1941 | : ICEConvertDiagnoser(, false, false), |
| 1942 | ArraySize(ArraySize) {} |
| 1943 | |
| 1944 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, |
| 1945 | QualType T) override { |
| 1946 | return S.Diag(Loc, diag::err_array_size_not_integral) |
| 1947 | << S.getLangOpts().CPlusPlus11 << T; |
| 1948 | } |
| 1949 | |
| 1950 | SemaDiagnosticBuilder diagnoseIncomplete( |
| 1951 | Sema &S, SourceLocation Loc, QualType T) override { |
| 1952 | return S.Diag(Loc, diag::err_array_size_incomplete_type) |
| 1953 | << T << ArraySize->getSourceRange(); |
| 1954 | } |
| 1955 | |
| 1956 | SemaDiagnosticBuilder diagnoseExplicitConv( |
| 1957 | Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) override { |
| 1958 | return S.Diag(Loc, diag::err_array_size_explicit_conversion) << T << ConvTy; |
| 1959 | } |
| 1960 | |
| 1961 | SemaDiagnosticBuilder noteExplicitConv( |
| 1962 | Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { |
| 1963 | return S.Diag(Conv->getLocation(), diag::note_array_size_conversion) |
| 1964 | << ConvTy->isEnumeralType() << ConvTy; |
| 1965 | } |
| 1966 | |
| 1967 | SemaDiagnosticBuilder diagnoseAmbiguous( |
| 1968 | Sema &S, SourceLocation Loc, QualType T) override { |
| 1969 | return S.Diag(Loc, diag::err_array_size_ambiguous_conversion) << T; |
| 1970 | } |
| 1971 | |
| 1972 | SemaDiagnosticBuilder noteAmbiguous( |
| 1973 | Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { |
| 1974 | return S.Diag(Conv->getLocation(), diag::note_array_size_conversion) |
| 1975 | << ConvTy->isEnumeralType() << ConvTy; |
| 1976 | } |
| 1977 | |
| 1978 | SemaDiagnosticBuilder diagnoseConversion(Sema &S, SourceLocation Loc, |
| 1979 | QualType T, |
| 1980 | QualType ConvTy) override { |
| 1981 | return S.Diag(Loc, |
| 1982 | S.getLangOpts().CPlusPlus11 |
| 1983 | ? diag::warn_cxx98_compat_array_size_conversion |
| 1984 | : diag::ext_array_size_conversion) |
| 1985 | << T << ConvTy->isEnumeralType() << ConvTy; |
| 1986 | } |
| 1987 | } SizeDiagnoser(ArraySize); |
| 1988 | |
| 1989 | ConvertedSize = PerformContextualImplicitConversion(StartLoc, ArraySize, |
| 1990 | SizeDiagnoser); |
| 1991 | } |
| 1992 | if (ConvertedSize.isInvalid()) |
| 1993 | return ExprError(); |
| 1994 | |
| 1995 | ArraySize = ConvertedSize.get(); |
| 1996 | QualType SizeType = ArraySize->getType(); |
| 1997 | |
| 1998 | if (!SizeType->isIntegralOrUnscopedEnumerationType()) |
| 1999 | return ExprError(); |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | |
| 2004 | |
| 2005 | |
| 2006 | |
| 2007 | |
| 2008 | if (!ArraySize->isValueDependent()) { |
| 2009 | llvm::APSInt Value; |
| 2010 | |
| 2011 | |
| 2012 | |
| 2013 | |
| 2014 | |
| 2015 | if (ArraySize->isIntegerConstantExpr(Value, Context)) { |
| 2016 | if (Value.isSigned() && Value.isNegative()) { |
| 2017 | return ExprError(Diag(ArraySize->getBeginLoc(), |
| 2018 | diag::err_typecheck_negative_array_size) |
| 2019 | << ArraySize->getSourceRange()); |
| 2020 | } |
| 2021 | |
| 2022 | if (!AllocType->isDependentType()) { |
| 2023 | unsigned ActiveSizeBits = |
| 2024 | ConstantArrayType::getNumAddressingBits(Context, AllocType, Value); |
| 2025 | if (ActiveSizeBits > ConstantArrayType::getMaxSizeBits(Context)) |
| 2026 | return ExprError( |
| 2027 | Diag(ArraySize->getBeginLoc(), diag::err_array_too_large) |
| 2028 | << Value.toString(10) << ArraySize->getSourceRange()); |
| 2029 | } |
| 2030 | |
| 2031 | KnownArraySize = Value.getZExtValue(); |
| 2032 | } else if (TypeIdParens.isValid()) { |
| 2033 | |
| 2034 | Diag(ArraySize->getBeginLoc(), diag::ext_new_paren_array_nonconst) |
| 2035 | << ArraySize->getSourceRange() |
| 2036 | << FixItHint::CreateRemoval(TypeIdParens.getBegin()) |
| 2037 | << FixItHint::CreateRemoval(TypeIdParens.getEnd()); |
| 2038 | |
| 2039 | TypeIdParens = SourceRange(); |
| 2040 | } |
| 2041 | } |
| 2042 | |
| 2043 | |
| 2044 | |
| 2045 | } |
| 2046 | |
| 2047 | FunctionDecl *OperatorNew = nullptr; |
| 2048 | FunctionDecl *OperatorDelete = nullptr; |
| 2049 | unsigned Alignment = |
| 2050 | AllocType->isDependentType() ? 0 : Context.getTypeAlign(AllocType); |
| 2051 | unsigned NewAlignment = Context.getTargetInfo().getNewAlign(); |
| 2052 | bool PassAlignment = getLangOpts().AlignedAllocation && |
| 2053 | Alignment > NewAlignment; |
| 2054 | |
| 2055 | AllocationFunctionScope Scope = UseGlobal ? AFS_Global : AFS_Both; |
| 2056 | if (!AllocType->isDependentType() && |
| 2057 | !Expr::hasAnyTypeDependentArguments(PlacementArgs) && |
| 2058 | FindAllocationFunctions(StartLoc, |
| 2059 | SourceRange(PlacementLParen, PlacementRParen), |
| 2060 | Scope, Scope, AllocType, ArraySize, PassAlignment, |
| 2061 | PlacementArgs, OperatorNew, OperatorDelete)) |
| 2062 | return ExprError(); |
| 2063 | |
| 2064 | |
| 2065 | |
| 2066 | bool UsualArrayDeleteWantsSize = false; |
| 2067 | if (ArraySize && !AllocType->isDependentType()) |
| 2068 | UsualArrayDeleteWantsSize = |
| 2069 | doesUsualArrayDeleteWantSize(*this, StartLoc, AllocType); |
| 2070 | |
| 2071 | SmallVector<Expr *, 8> AllPlaceArgs; |
| 2072 | if (OperatorNew) { |
| 2073 | const FunctionProtoType *Proto = |
| 2074 | OperatorNew->getType()->getAs<FunctionProtoType>(); |
| 2075 | VariadicCallType CallType = Proto->isVariadic() ? VariadicFunction |
| 2076 | : VariadicDoesNotApply; |
| 2077 | |
| 2078 | |
| 2079 | |
| 2080 | |
| 2081 | |
| 2082 | if (GatherArgumentsForCall(PlacementLParen, OperatorNew, Proto, |
| 2083 | PassAlignment ? 2 : 1, PlacementArgs, |
| 2084 | AllPlaceArgs, CallType)) |
| 2085 | return ExprError(); |
| 2086 | |
| 2087 | if (!AllPlaceArgs.empty()) |
| 2088 | PlacementArgs = AllPlaceArgs; |
| 2089 | |
| 2090 | |
| 2091 | DiagnoseSentinelCalls(OperatorNew, PlacementLParen, PlacementArgs); |
| 2092 | |
| 2093 | |
| 2094 | |
| 2095 | |
| 2096 | |
| 2097 | if (PlacementArgs.empty() && !PassAlignment && |
| 2098 | (OperatorNew->isImplicit() || |
| 2099 | (OperatorNew->getBeginLoc().isValid() && |
| 2100 | getSourceManager().isInSystemHeader(OperatorNew->getBeginLoc())))) { |
| 2101 | if (Alignment > NewAlignment) |
| 2102 | Diag(StartLoc, diag::warn_overaligned_type) |
| 2103 | << AllocType |
| 2104 | << unsigned(Alignment / Context.getCharWidth()) |
| 2105 | << unsigned(NewAlignment / Context.getCharWidth()); |
| 2106 | } |
| 2107 | } |
| 2108 | |
| 2109 | |
| 2110 | |
| 2111 | |
| 2112 | if (ArraySize && !isLegalArrayNewInitializer(initStyle, Initializer)) { |
| 2113 | SourceRange InitRange(Inits[0]->getBeginLoc(), |
| 2114 | Inits[NumInits - 1]->getEndLoc()); |
| 2115 | Diag(StartLoc, diag::err_new_array_init_args) << InitRange; |
| 2116 | return ExprError(); |
| 2117 | } |
| 2118 | |
| 2119 | |
| 2120 | |
| 2121 | if (!AllocType->isDependentType() && |
| 2122 | !Expr::hasAnyTypeDependentArguments( |
| 2123 | llvm::makeArrayRef(Inits, NumInits))) { |
| 2124 | |
| 2125 | QualType InitType; |
| 2126 | if (KnownArraySize) |
| 2127 | InitType = Context.getConstantArrayType( |
| 2128 | AllocType, llvm::APInt(Context.getTypeSize(Context.getSizeType()), |
| 2129 | *KnownArraySize), |
| 2130 | ArrayType::Normal, 0); |
| 2131 | else if (ArraySize) |
| 2132 | InitType = |
| 2133 | Context.getIncompleteArrayType(AllocType, ArrayType::Normal, 0); |
| 2134 | else |
| 2135 | InitType = AllocType; |
| 2136 | |
| 2137 | InitializedEntity Entity |
| 2138 | = InitializedEntity::InitializeNew(StartLoc, InitType); |
| 2139 | InitializationSequence InitSeq(*this, Entity, Kind, |
| 2140 | MultiExprArg(Inits, NumInits)); |
| 2141 | ExprResult FullInit = InitSeq.Perform(*this, Entity, Kind, |
| 2142 | MultiExprArg(Inits, NumInits)); |
| 2143 | if (FullInit.isInvalid()) |
| 2144 | return ExprError(); |
| 2145 | |
| 2146 | |
| 2147 | |
| 2148 | |
| 2149 | if (CXXBindTemporaryExpr *Binder = |
| 2150 | dyn_cast_or_null<CXXBindTemporaryExpr>(FullInit.get())) |
| 2151 | FullInit = Binder->getSubExpr(); |
| 2152 | |
| 2153 | Initializer = FullInit.get(); |
| 2154 | } |
| 2155 | |
| 2156 | |
| 2157 | if (OperatorNew) { |
| 2158 | if (DiagnoseUseOfDecl(OperatorNew, StartLoc)) |
| 2159 | return ExprError(); |
| 2160 | MarkFunctionReferenced(StartLoc, OperatorNew); |
| 2161 | } |
| 2162 | if (OperatorDelete) { |
| 2163 | if (DiagnoseUseOfDecl(OperatorDelete, StartLoc)) |
| 2164 | return ExprError(); |
| 2165 | MarkFunctionReferenced(StartLoc, OperatorDelete); |
| 2166 | } |
| 2167 | |
| 2168 | |
| 2169 | |
| 2170 | |
| 2171 | QualType BaseAllocType = Context.getBaseElementType(AllocType); |
| 2172 | if (ArraySize && !BaseAllocType->isDependentType()) { |
| 2173 | if (const RecordType *BaseRecordType = BaseAllocType->getAs<RecordType>()) { |
| 2174 | if (CXXDestructorDecl *dtor = LookupDestructor( |
| 2175 | cast<CXXRecordDecl>(BaseRecordType->getDecl()))) { |
| 2176 | MarkFunctionReferenced(StartLoc, dtor); |
| 2177 | CheckDestructorAccess(StartLoc, dtor, |
| 2178 | PDiag(diag::err_access_dtor) |
| 2179 | << BaseAllocType); |
| 2180 | if (DiagnoseUseOfDecl(dtor, StartLoc)) |
| 2181 | return ExprError(); |
| 2182 | } |
| 2183 | } |
| 2184 | } |
| 2185 | |
| 2186 | return CXXNewExpr::Create(Context, UseGlobal, OperatorNew, OperatorDelete, |
| 2187 | PassAlignment, UsualArrayDeleteWantsSize, |
| 2188 | PlacementArgs, TypeIdParens, ArraySize, initStyle, |
| 2189 | Initializer, ResultType, AllocTypeInfo, Range, |
| 2190 | DirectInitRange); |
| 2191 | } |
| 2192 | |
| 2193 | |
| 2194 | |
| 2195 | bool Sema::CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
| 2196 | SourceRange R) { |
| 2197 | |
| 2198 | |
| 2199 | if (AllocType->isFunctionType()) |
| 2200 | return Diag(Loc, diag::err_bad_new_type) |
| 2201 | << AllocType << 0 << R; |
| 2202 | else if (AllocType->isReferenceType()) |
| 2203 | return Diag(Loc, diag::err_bad_new_type) |
| 2204 | << AllocType << 1 << R; |
| 2205 | else if (!AllocType->isDependentType() && |
| 2206 | RequireCompleteType(Loc, AllocType, diag::err_new_incomplete_type,R)) |
| 2207 | return true; |
| 2208 | else if (RequireNonAbstractType(Loc, AllocType, |
| 2209 | diag::err_allocation_of_abstract_type)) |
| 2210 | return true; |
| 2211 | else if (AllocType->isVariablyModifiedType()) |
| 2212 | return Diag(Loc, diag::err_variably_modified_new_type) |
| 2213 | << AllocType; |
| 2214 | else if (AllocType.getAddressSpace() != LangAS::Default && |
| 2215 | !getLangOpts().OpenCLCPlusPlus) |
| 2216 | return Diag(Loc, diag::err_address_space_qualified_new) |
| 2217 | << AllocType.getUnqualifiedType() |
| 2218 | << AllocType.getQualifiers().getAddressSpaceAttributePrintValue(); |
| 2219 | else if (getLangOpts().ObjCAutoRefCount) { |
| 2220 | if (const ArrayType *AT = Context.getAsArrayType(AllocType)) { |
| 2221 | QualType BaseAllocType = Context.getBaseElementType(AT); |
| 2222 | if (BaseAllocType.getObjCLifetime() == Qualifiers::OCL_None && |
| 2223 | BaseAllocType->isObjCLifetimeType()) |
| 2224 | return Diag(Loc, diag::err_arc_new_array_without_ownership) |
| 2225 | << BaseAllocType; |
| 2226 | } |
| 2227 | } |
| 2228 | |
| 2229 | return false; |
| 2230 | } |
| 2231 | |
| 2232 | static bool resolveAllocationOverload( |
| 2233 | Sema &S, LookupResult &R, SourceRange Range, SmallVectorImpl<Expr *> &Args, |
| 2234 | bool &PassAlignment, FunctionDecl *&Operator, |
| 2235 | OverloadCandidateSet *AlignedCandidates, Expr *AlignArg, bool Diagnose) { |
| 2236 | OverloadCandidateSet Candidates(R.getNameLoc(), |
| 2237 | OverloadCandidateSet::CSK_Normal); |
| 2238 | for (LookupResult::iterator Alloc = R.begin(), AllocEnd = R.end(); |
| 2239 | Alloc != AllocEnd; ++Alloc) { |
| 2240 | |
| 2241 | |
| 2242 | NamedDecl *D = (*Alloc)->getUnderlyingDecl(); |
| 2243 | |
| 2244 | if (FunctionTemplateDecl *FnTemplate = dyn_cast<FunctionTemplateDecl>(D)) { |
| 2245 | S.AddTemplateOverloadCandidate(FnTemplate, Alloc.getPair(), |
| 2246 | , Args, |
| 2247 | Candidates, |
| 2248 | ); |
| 2249 | continue; |
| 2250 | } |
| 2251 | |
| 2252 | FunctionDecl *Fn = cast<FunctionDecl>(D); |
| 2253 | S.AddOverloadCandidate(Fn, Alloc.getPair(), Args, Candidates, |
| 2254 | ); |
| 2255 | } |
| 2256 | |
| 2257 | |
| 2258 | OverloadCandidateSet::iterator Best; |
| 2259 | switch (Candidates.BestViableFunction(S, R.getNameLoc(), Best)) { |
| 2260 | case OR_Success: { |
| 2261 | |
| 2262 | FunctionDecl *FnDecl = Best->Function; |
| 2263 | if (S.CheckAllocationAccess(R.getNameLoc(), Range, R.getNamingClass(), |
| 2264 | Best->FoundDecl) == Sema::AR_inaccessible) |
| 2265 | return true; |
| 2266 | |
| 2267 | Operator = FnDecl; |
| 2268 | return false; |
| 2269 | } |
| 2270 | |
| 2271 | case OR_No_Viable_Function: |
| 2272 | |
| 2273 | |
| 2274 | |
| 2275 | |
| 2276 | if (PassAlignment) { |
| 2277 | PassAlignment = false; |
| 2278 | AlignArg = Args[1]; |
| 2279 | Args.erase(Args.begin() + 1); |
| 2280 | return resolveAllocationOverload(S, R, Range, Args, PassAlignment, |
| 2281 | Operator, &Candidates, AlignArg, |
| 2282 | Diagnose); |
| 2283 | } |
| 2284 | |
| 2285 | |
| 2286 | |
| 2287 | |
| 2288 | |
| 2289 | |
| 2290 | |
| 2291 | if (R.getLookupName().getCXXOverloadedOperator() == OO_Array_New && |
| 2292 | S.Context.getLangOpts().MSVCCompat) { |
| 2293 | R.clear(); |
| 2294 | R.setLookupName(S.Context.DeclarationNames.getCXXOperatorName(OO_New)); |
| 2295 | S.LookupQualifiedName(R, S.Context.getTranslationUnitDecl()); |
| 2296 | |
| 2297 | return resolveAllocationOverload(S, R, Range, Args, PassAlignment, |
| 2298 | Operator, , |
| 2299 | , Diagnose); |
| 2300 | } |
| 2301 | |
| 2302 | if (Diagnose) { |
| 2303 | S.Diag(R.getNameLoc(), diag::err_ovl_no_viable_function_in_call) |
| 2304 | << R.getLookupName() << Range; |
| 2305 | |
| 2306 | |
| 2307 | |
| 2308 | |
| 2309 | if (AlignedCandidates) { |
| 2310 | auto IsAligned = [](OverloadCandidate &C) { |
| 2311 | return C.Function->getNumParams() > 1 && |
| 2312 | C.Function->getParamDecl(1)->getType()->isAlignValT(); |
| 2313 | }; |
| 2314 | auto IsUnaligned = [&](OverloadCandidate &C) { return !IsAligned(C); }; |
| 2315 | |
| 2316 | |
| 2317 | |
| 2318 | Args.insert(Args.begin() + 1, AlignArg); |
| 2319 | AlignedCandidates->NoteCandidates(S, OCD_AllCandidates, Args, "", |
| 2320 | R.getNameLoc(), IsAligned); |
| 2321 | Args.erase(Args.begin() + 1); |
| 2322 | Candidates.NoteCandidates(S, OCD_AllCandidates, Args, "", R.getNameLoc(), |
| 2323 | IsUnaligned); |
| 2324 | } else { |
| 2325 | Candidates.NoteCandidates(S, OCD_AllCandidates, Args); |
| 2326 | } |
| 2327 | } |
| 2328 | return true; |
| 2329 | |
| 2330 | case OR_Ambiguous: |
| 2331 | if (Diagnose) { |
| 2332 | S.Diag(R.getNameLoc(), diag::err_ovl_ambiguous_call) |
| 2333 | << R.getLookupName() << Range; |
| 2334 | Candidates.NoteCandidates(S, OCD_ViableCandidates, Args); |
| 2335 | } |
| 2336 | return true; |
| 2337 | |
| 2338 | case OR_Deleted: { |
| 2339 | if (Diagnose) { |
| 2340 | S.Diag(R.getNameLoc(), diag::err_ovl_deleted_call) |
| 2341 | << R.getLookupName() << Range; |
| 2342 | Candidates.NoteCandidates(S, OCD_AllCandidates, Args); |
| 2343 | } |
| 2344 | return true; |
| 2345 | } |
| 2346 | } |
| 2347 | llvm_unreachable("Unreachable, bad result from BestViableFunction"); |
| 2348 | } |
| 2349 | |
| 2350 | bool Sema::FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
| 2351 | AllocationFunctionScope NewScope, |
| 2352 | AllocationFunctionScope DeleteScope, |
| 2353 | QualType AllocType, bool IsArray, |
| 2354 | bool &PassAlignment, MultiExprArg PlaceArgs, |
| 2355 | FunctionDecl *&OperatorNew, |
| 2356 | FunctionDecl *&OperatorDelete, |
| 2357 | bool Diagnose) { |
| 2358 | |
| 2359 | |
| 2360 | |
| 2361 | |
| 2362 | |
| 2363 | |
| 2364 | |
| 2365 | |
| 2366 | |
| 2367 | |
| 2368 | SmallVector<Expr*, 8> AllocArgs; |
| 2369 | AllocArgs.reserve((PassAlignment ? 2 : 1) + PlaceArgs.size()); |
| 2370 | |
| 2371 | |
| 2372 | |
| 2373 | |
| 2374 | |
| 2375 | IntegerLiteral Size(Context, llvm::APInt::getNullValue( |
| 2376 | Context.getTargetInfo().getPointerWidth(0)), |
| 2377 | Context.getSizeType(), |
| 2378 | SourceLocation()); |
| 2379 | AllocArgs.push_back(&Size); |
| 2380 | |
| 2381 | QualType AlignValT = Context.VoidTy; |
| 2382 | if (PassAlignment) { |
| 2383 | DeclareGlobalNewDelete(); |
| 2384 | AlignValT = Context.getTypeDeclType(getStdAlignValT()); |
| 2385 | } |
| 2386 | CXXScalarValueInitExpr Align(AlignValT, nullptr, SourceLocation()); |
| 2387 | if (PassAlignment) |
| 2388 | AllocArgs.push_back(&Align); |
| 2389 | |
| 2390 | AllocArgs.insert(AllocArgs.end(), PlaceArgs.begin(), PlaceArgs.end()); |
| 2391 | |
| 2392 | |
| 2393 | |
| 2394 | |
| 2395 | |
| 2396 | |
| 2397 | |
| 2398 | DeclarationName NewName = Context.DeclarationNames.getCXXOperatorName( |
| 2399 | IsArray ? OO_Array_New : OO_New); |
| 2400 | |
| 2401 | QualType AllocElemType = Context.getBaseElementType(AllocType); |
| 2402 | |
| 2403 | |
| 2404 | { |
| 2405 | LookupResult R(*this, NewName, StartLoc, LookupOrdinaryName); |
| 2406 | |
| 2407 | |
| 2408 | |
| 2409 | |
| 2410 | |
| 2411 | |
| 2412 | if (AllocElemType->isRecordType() && NewScope != AFS_Global) |
| 2413 | LookupQualifiedName(R, AllocElemType->getAsCXXRecordDecl()); |
| 2414 | |
| 2415 | |
| 2416 | |
| 2417 | if (R.isAmbiguous()) |
| 2418 | return true; |
| 2419 | |
| 2420 | |
| 2421 | |
| 2422 | |
| 2423 | if (R.empty()) { |
| 2424 | if (NewScope == AFS_Class) |
| 2425 | return true; |
| 2426 | |
| 2427 | LookupQualifiedName(R, Context.getTranslationUnitDecl()); |
| 2428 | } |
| 2429 | |
| 2430 | if (getLangOpts().OpenCLCPlusPlus && R.empty()) { |
| 2431 | Diag(StartLoc, diag::err_openclcxx_not_supported) << "default new"; |
| 2432 | return true; |
| 2433 | } |
| 2434 | |
| 2435 | (0) . __assert_fail ("!R.empty() && \"implicitly declared allocation functions not found\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 2435, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!R.empty() && "implicitly declared allocation functions not found"); |
| 2436 | (0) . __assert_fail ("!R.isAmbiguous() && \"global allocation functions are ambiguous\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 2436, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!R.isAmbiguous() && "global allocation functions are ambiguous"); |
| 2437 | |
| 2438 | |
| 2439 | R.suppressDiagnostics(); |
| 2440 | |
| 2441 | if (resolveAllocationOverload(*this, R, Range, AllocArgs, PassAlignment, |
| 2442 | OperatorNew, , |
| 2443 | , Diagnose)) |
| 2444 | return true; |
| 2445 | } |
| 2446 | |
| 2447 | |
| 2448 | if (!getLangOpts().Exceptions) { |
| 2449 | OperatorDelete = nullptr; |
| 2450 | return false; |
| 2451 | } |
| 2452 | |
| 2453 | |
| 2454 | |
| 2455 | DeclarationName DeleteName = Context.DeclarationNames.getCXXOperatorName( |
| 2456 | OperatorNew->getDeclName().getCXXOverloadedOperator() == OO_Array_New |
| 2457 | ? OO_Array_Delete |
| 2458 | : OO_Delete); |
| 2459 | |
| 2460 | |
| 2461 | |
| 2462 | |
| 2463 | |
| 2464 | |
| 2465 | |
| 2466 | |
| 2467 | |
| 2468 | |
| 2469 | LookupResult FoundDelete(*this, DeleteName, StartLoc, LookupOrdinaryName); |
| 2470 | if (AllocElemType->isRecordType() && DeleteScope != AFS_Global) { |
| 2471 | CXXRecordDecl *RD |
| 2472 | = cast<CXXRecordDecl>(AllocElemType->getAs<RecordType>()->getDecl()); |
| 2473 | LookupQualifiedName(FoundDelete, RD); |
| 2474 | } |
| 2475 | if (FoundDelete.isAmbiguous()) |
| 2476 | return true; |
| 2477 | |
| 2478 | bool FoundGlobalDelete = FoundDelete.empty(); |
| 2479 | if (FoundDelete.empty()) { |
| 2480 | if (DeleteScope == AFS_Class) |
| 2481 | return true; |
| 2482 | |
| 2483 | DeclareGlobalNewDelete(); |
| 2484 | LookupQualifiedName(FoundDelete, Context.getTranslationUnitDecl()); |
| 2485 | } |
| 2486 | |
| 2487 | FoundDelete.suppressDiagnostics(); |
| 2488 | |
| 2489 | SmallVector<std::pair<DeclAccessPair,FunctionDecl*>, 2> Matches; |
| 2490 | |
| 2491 | |
| 2492 | |
| 2493 | |
| 2494 | |
| 2495 | |
| 2496 | |
| 2497 | |
| 2498 | |
| 2499 | |
| 2500 | |
| 2501 | |
| 2502 | |
| 2503 | |
| 2504 | bool isPlacementNew = !PlaceArgs.empty() || OperatorNew->param_size() != 1 || |
| 2505 | OperatorNew->isVariadic(); |
| 2506 | |
| 2507 | if (isPlacementNew) { |
| 2508 | |
| 2509 | |
| 2510 | |
| 2511 | |
| 2512 | |
| 2513 | |
| 2514 | |
| 2515 | |
| 2516 | |
| 2517 | |
| 2518 | QualType ExpectedFunctionType; |
| 2519 | { |
| 2520 | const FunctionProtoType *Proto |
| 2521 | = OperatorNew->getType()->getAs<FunctionProtoType>(); |
| 2522 | |
| 2523 | SmallVector<QualType, 4> ArgTypes; |
| 2524 | ArgTypes.push_back(Context.VoidPtrTy); |
| 2525 | for (unsigned I = 1, N = Proto->getNumParams(); I < N; ++I) |
| 2526 | ArgTypes.push_back(Proto->getParamType(I)); |
| 2527 | |
| 2528 | FunctionProtoType::ExtProtoInfo EPI; |
| 2529 | |
| 2530 | EPI.Variadic = Proto->isVariadic(); |
| 2531 | |
| 2532 | ExpectedFunctionType |
| 2533 | = Context.getFunctionType(Context.VoidTy, ArgTypes, EPI); |
| 2534 | } |
| 2535 | |
| 2536 | for (LookupResult::iterator D = FoundDelete.begin(), |
| 2537 | DEnd = FoundDelete.end(); |
| 2538 | D != DEnd; ++D) { |
| 2539 | FunctionDecl *Fn = nullptr; |
| 2540 | if (FunctionTemplateDecl *FnTmpl = |
| 2541 | dyn_cast<FunctionTemplateDecl>((*D)->getUnderlyingDecl())) { |
| 2542 | |
| 2543 | |
| 2544 | TemplateDeductionInfo Info(StartLoc); |
| 2545 | if (DeduceTemplateArguments(FnTmpl, nullptr, ExpectedFunctionType, Fn, |
| 2546 | Info)) |
| 2547 | continue; |
| 2548 | } else |
| 2549 | Fn = cast<FunctionDecl>((*D)->getUnderlyingDecl()); |
| 2550 | |
| 2551 | if (Context.hasSameType(adjustCCAndNoReturn(Fn->getType(), |
| 2552 | ExpectedFunctionType, |
| 2553 | ), |
| 2554 | ExpectedFunctionType)) |
| 2555 | Matches.push_back(std::make_pair(D.getPair(), Fn)); |
| 2556 | } |
| 2557 | |
| 2558 | if (getLangOpts().CUDA) |
| 2559 | EraseUnwantedCUDAMatches(dyn_cast<FunctionDecl>(CurContext), Matches); |
| 2560 | } else { |
| 2561 | |
| 2562 | |
| 2563 | |
| 2564 | |
| 2565 | |
| 2566 | |
| 2567 | |
| 2568 | llvm::SmallVector<UsualDeallocFnInfo, 4> BestDeallocFns; |
| 2569 | UsualDeallocFnInfo Selected = resolveDeallocationOverload( |
| 2570 | *this, FoundDelete, FoundGlobalDelete, |
| 2571 | hasNewExtendedAlignment(*this, AllocElemType), |
| 2572 | &BestDeallocFns); |
| 2573 | if (Selected) |
| 2574 | Matches.push_back(std::make_pair(Selected.Found, Selected.FD)); |
| 2575 | else { |
| 2576 | |
| 2577 | |
| 2578 | for (auto Fn : BestDeallocFns) |
| 2579 | Matches.push_back(std::make_pair(Fn.Found, Fn.FD)); |
| 2580 | } |
| 2581 | } |
| 2582 | |
| 2583 | |
| 2584 | |
| 2585 | |
| 2586 | |
| 2587 | if (Matches.size() == 1) { |
| 2588 | OperatorDelete = Matches[0].second; |
| 2589 | |
| 2590 | |
| 2591 | |
| 2592 | |
| 2593 | |
| 2594 | |
| 2595 | |
| 2596 | if (getLangOpts().CPlusPlus11 && isPlacementNew && |
| 2597 | isNonPlacementDeallocationFunction(*this, OperatorDelete)) { |
| 2598 | UsualDeallocFnInfo Info(*this, |
| 2599 | DeclAccessPair::make(OperatorDelete, AS_public)); |
| 2600 | |
| 2601 | |
| 2602 | |
| 2603 | |
| 2604 | bool IsSizedDelete = Info.HasSizeT; |
| 2605 | if (IsSizedDelete && !FoundGlobalDelete) { |
| 2606 | auto NonSizedDelete = |
| 2607 | resolveDeallocationOverload(*this, FoundDelete, , |
| 2608 | .HasAlignValT); |
| 2609 | if (NonSizedDelete && !NonSizedDelete.HasSizeT && |
| 2610 | NonSizedDelete.HasAlignValT == Info.HasAlignValT) |
| 2611 | IsSizedDelete = false; |
| 2612 | } |
| 2613 | |
| 2614 | if (IsSizedDelete) { |
| 2615 | SourceRange R = PlaceArgs.empty() |
| 2616 | ? SourceRange() |
| 2617 | : SourceRange(PlaceArgs.front()->getBeginLoc(), |
| 2618 | PlaceArgs.back()->getEndLoc()); |
| 2619 | Diag(StartLoc, diag::err_placement_new_non_placement_delete) << R; |
| 2620 | if (!OperatorDelete->isImplicit()) |
| 2621 | Diag(OperatorDelete->getLocation(), diag::note_previous_decl) |
| 2622 | << DeleteName; |
| 2623 | } |
| 2624 | } |
| 2625 | |
| 2626 | CheckAllocationAccess(StartLoc, Range, FoundDelete.getNamingClass(), |
| 2627 | Matches[0].first); |
| 2628 | } else if (!Matches.empty()) { |
| 2629 | |
| 2630 | |
| 2631 | |
| 2632 | Diag(StartLoc, diag::warn_ambiguous_suitable_delete_function_found) |
| 2633 | << DeleteName << AllocElemType; |
| 2634 | |
| 2635 | for (auto &Match : Matches) |
| 2636 | Diag(Match.second->getLocation(), |
| 2637 | diag::note_member_declared_here) << DeleteName; |
| 2638 | } |
| 2639 | |
| 2640 | return false; |
| 2641 | } |
| 2642 | |
| 2643 | |
| 2644 | |
| 2645 | |
| 2646 | |
| 2647 | |
| 2648 | |
| 2649 | |
| 2650 | |
| 2651 | |
| 2652 | |
| 2653 | |
| 2654 | |
| 2655 | |
| 2656 | |
| 2657 | |
| 2658 | |
| 2659 | |
| 2660 | |
| 2661 | |
| 2662 | |
| 2663 | |
| 2664 | |
| 2665 | |
| 2666 | void Sema::DeclareGlobalNewDelete() { |
| 2667 | if (GlobalNewDeleteDeclared) |
| 2668 | return; |
| 2669 | |
| 2670 | |
| 2671 | |
| 2672 | if (getLangOpts().OpenCLCPlusPlus) |
| 2673 | return; |
| 2674 | |
| 2675 | |
| 2676 | |
| 2677 | |
| 2678 | |
| 2679 | |
| 2680 | |
| 2681 | |
| 2682 | |
| 2683 | |
| 2684 | |
| 2685 | |
| 2686 | |
| 2687 | |
| 2688 | |
| 2689 | |
| 2690 | |
| 2691 | |
| 2692 | |
| 2693 | |
| 2694 | |
| 2695 | |
| 2696 | |
| 2697 | |
| 2698 | |
| 2699 | |
| 2700 | |
| 2701 | |
| 2702 | |
| 2703 | |
| 2704 | |
| 2705 | if (!StdBadAlloc && !getLangOpts().CPlusPlus11) { |
| 2706 | |
| 2707 | |
| 2708 | StdBadAlloc = CXXRecordDecl::Create(Context, TTK_Class, |
| 2709 | getOrCreateStdNamespace(), |
| 2710 | SourceLocation(), SourceLocation(), |
| 2711 | &PP.getIdentifierTable().get("bad_alloc"), |
| 2712 | nullptr); |
| 2713 | getStdBadAlloc()->setImplicit(true); |
| 2714 | } |
| 2715 | if (!StdAlignValT && getLangOpts().AlignedAllocation) { |
| 2716 | |
| 2717 | |
| 2718 | auto *AlignValT = EnumDecl::Create( |
| 2719 | Context, getOrCreateStdNamespace(), SourceLocation(), SourceLocation(), |
| 2720 | &PP.getIdentifierTable().get("align_val_t"), nullptr, true, true, true); |
| 2721 | AlignValT->setIntegerType(Context.getSizeType()); |
| 2722 | AlignValT->setPromotionType(Context.getSizeType()); |
| 2723 | AlignValT->setImplicit(true); |
| 2724 | StdAlignValT = AlignValT; |
| 2725 | } |
| 2726 | |
| 2727 | GlobalNewDeleteDeclared = true; |
| 2728 | |
| 2729 | QualType VoidPtr = Context.getPointerType(Context.VoidTy); |
| 2730 | QualType SizeT = Context.getSizeType(); |
| 2731 | |
| 2732 | auto DeclareGlobalAllocationFunctions = [&](OverloadedOperatorKind Kind, |
| 2733 | QualType Return, QualType Param) { |
| 2734 | llvm::SmallVector<QualType, 3> Params; |
| 2735 | Params.push_back(Param); |
| 2736 | |
| 2737 | |
| 2738 | bool HasSizedVariant = getLangOpts().SizedDeallocation && |
| 2739 | (Kind == OO_Delete || Kind == OO_Array_Delete); |
| 2740 | bool HasAlignedVariant = getLangOpts().AlignedAllocation; |
| 2741 | |
| 2742 | int NumSizeVariants = (HasSizedVariant ? 2 : 1); |
| 2743 | int NumAlignVariants = (HasAlignedVariant ? 2 : 1); |
| 2744 | for (int Sized = 0; Sized < NumSizeVariants; ++Sized) { |
| 2745 | if (Sized) |
| 2746 | Params.push_back(SizeT); |
| 2747 | |
| 2748 | for (int Aligned = 0; Aligned < NumAlignVariants; ++Aligned) { |
| 2749 | if (Aligned) |
| 2750 | Params.push_back(Context.getTypeDeclType(getStdAlignValT())); |
| 2751 | |
| 2752 | DeclareGlobalAllocationFunction( |
| 2753 | Context.DeclarationNames.getCXXOperatorName(Kind), Return, Params); |
| 2754 | |
| 2755 | if (Aligned) |
| 2756 | Params.pop_back(); |
| 2757 | } |
| 2758 | } |
| 2759 | }; |
| 2760 | |
| 2761 | DeclareGlobalAllocationFunctions(OO_New, VoidPtr, SizeT); |
| 2762 | DeclareGlobalAllocationFunctions(OO_Array_New, VoidPtr, SizeT); |
| 2763 | DeclareGlobalAllocationFunctions(OO_Delete, Context.VoidTy, VoidPtr); |
| 2764 | DeclareGlobalAllocationFunctions(OO_Array_Delete, Context.VoidTy, VoidPtr); |
| 2765 | } |
| 2766 | |
| 2767 | |
| 2768 | |
| 2769 | void Sema::DeclareGlobalAllocationFunction(DeclarationName Name, |
| 2770 | QualType Return, |
| 2771 | ArrayRef<QualType> Params) { |
| 2772 | DeclContext *GlobalCtx = Context.getTranslationUnitDecl(); |
| 2773 | |
| 2774 | |
| 2775 | DeclContext::lookup_result R = GlobalCtx->lookup(Name); |
| 2776 | for (DeclContext::lookup_iterator Alloc = R.begin(), AllocEnd = R.end(); |
| 2777 | Alloc != AllocEnd; ++Alloc) { |
| 2778 | |
| 2779 | |
| 2780 | if (FunctionDecl *Func = dyn_cast<FunctionDecl>(*Alloc)) { |
| 2781 | if (Func->getNumParams() == Params.size()) { |
| 2782 | llvm::SmallVector<QualType, 3> FuncParams; |
| 2783 | for (auto *P : Func->parameters()) |
| 2784 | FuncParams.push_back( |
| 2785 | Context.getCanonicalType(P->getType().getUnqualifiedType())); |
| 2786 | if (llvm::makeArrayRef(FuncParams) == Params) { |
| 2787 | |
| 2788 | |
| 2789 | |
| 2790 | Func->setVisibleDespiteOwningModule(); |
| 2791 | return; |
| 2792 | } |
| 2793 | } |
| 2794 | } |
| 2795 | } |
| 2796 | |
| 2797 | FunctionProtoType::ExtProtoInfo EPI(Context.getDefaultCallingConvention( |
| 2798 | , )); |
| 2799 | |
| 2800 | QualType BadAllocType; |
| 2801 | bool HasBadAllocExceptionSpec |
| 2802 | = (Name.getCXXOverloadedOperator() == OO_New || |
| 2803 | Name.getCXXOverloadedOperator() == OO_Array_New); |
| 2804 | if (HasBadAllocExceptionSpec) { |
| 2805 | if (!getLangOpts().CPlusPlus11) { |
| 2806 | BadAllocType = Context.getTypeDeclType(getStdBadAlloc()); |
| 2807 | (0) . __assert_fail ("StdBadAlloc && \"Must have std..bad_alloc declared\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 2807, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(StdBadAlloc && "Must have std::bad_alloc declared"); |
| 2808 | EPI.ExceptionSpec.Type = EST_Dynamic; |
| 2809 | EPI.ExceptionSpec.Exceptions = llvm::makeArrayRef(BadAllocType); |
| 2810 | } |
| 2811 | } else { |
| 2812 | EPI.ExceptionSpec = |
| 2813 | getLangOpts().CPlusPlus11 ? EST_BasicNoexcept : EST_DynamicNone; |
| 2814 | } |
| 2815 | |
| 2816 | auto CreateAllocationFunctionDecl = [&](Attr *) { |
| 2817 | QualType FnType = Context.getFunctionType(Return, Params, EPI); |
| 2818 | FunctionDecl *Alloc = FunctionDecl::Create( |
| 2819 | Context, GlobalCtx, SourceLocation(), SourceLocation(), Name, |
| 2820 | FnType, , SC_None, false, true); |
| 2821 | Alloc->setImplicit(); |
| 2822 | |
| 2823 | Alloc->setVisibleDespiteOwningModule(); |
| 2824 | |
| 2825 | Alloc->addAttr(VisibilityAttr::CreateImplicit( |
| 2826 | Context, LangOpts.GlobalAllocationFunctionVisibilityHidden |
| 2827 | ? VisibilityAttr::Hidden |
| 2828 | : VisibilityAttr::Default)); |
| 2829 | |
| 2830 | llvm::SmallVector<ParmVarDecl *, 3> ParamDecls; |
| 2831 | for (QualType T : Params) { |
| 2832 | ParamDecls.push_back(ParmVarDecl::Create( |
| 2833 | Context, Alloc, SourceLocation(), SourceLocation(), nullptr, T, |
| 2834 | , SC_None, nullptr)); |
| 2835 | ParamDecls.back()->setImplicit(); |
| 2836 | } |
| 2837 | Alloc->setParams(ParamDecls); |
| 2838 | if (ExtraAttr) |
| 2839 | Alloc->addAttr(ExtraAttr); |
| 2840 | Context.getTranslationUnitDecl()->addDecl(Alloc); |
| 2841 | IdResolver.tryAddTopLevelDecl(Alloc, Name); |
| 2842 | }; |
| 2843 | |
| 2844 | if (!LangOpts.CUDA) |
| 2845 | CreateAllocationFunctionDecl(nullptr); |
| 2846 | else { |
| 2847 | |
| 2848 | |
| 2849 | CreateAllocationFunctionDecl(CUDAHostAttr::CreateImplicit(Context)); |
| 2850 | CreateAllocationFunctionDecl(CUDADeviceAttr::CreateImplicit(Context)); |
| 2851 | } |
| 2852 | } |
| 2853 | |
| 2854 | FunctionDecl *Sema::FindUsualDeallocationFunction(SourceLocation StartLoc, |
| 2855 | bool CanProvideSize, |
| 2856 | bool Overaligned, |
| 2857 | DeclarationName Name) { |
| 2858 | DeclareGlobalNewDelete(); |
| 2859 | |
| 2860 | LookupResult FoundDelete(*this, Name, StartLoc, LookupOrdinaryName); |
| 2861 | LookupQualifiedName(FoundDelete, Context.getTranslationUnitDecl()); |
| 2862 | |
| 2863 | |
| 2864 | |
| 2865 | |
| 2866 | |
| 2867 | auto Result = resolveDeallocationOverload(*this, FoundDelete, CanProvideSize, |
| 2868 | Overaligned); |
| 2869 | (0) . __assert_fail ("Result.FD && \"operator delete missing from global scope?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 2869, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Result.FD && "operator delete missing from global scope?"); |
| 2870 | return Result.FD; |
| 2871 | } |
| 2872 | |
| 2873 | FunctionDecl *Sema::FindDeallocationFunctionForDestructor(SourceLocation Loc, |
| 2874 | CXXRecordDecl *RD) { |
| 2875 | DeclarationName Name = Context.DeclarationNames.getCXXOperatorName(OO_Delete); |
| 2876 | |
| 2877 | FunctionDecl *OperatorDelete = nullptr; |
| 2878 | if (FindDeallocationFunction(Loc, RD, Name, OperatorDelete)) |
| 2879 | return nullptr; |
| 2880 | if (OperatorDelete) |
| 2881 | return OperatorDelete; |
| 2882 | |
| 2883 | |
| 2884 | |
| 2885 | return FindUsualDeallocationFunction( |
| 2886 | Loc, true, hasNewExtendedAlignment(*this, Context.getRecordType(RD)), |
| 2887 | Name); |
| 2888 | } |
| 2889 | |
| 2890 | bool Sema::FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, |
| 2891 | DeclarationName Name, |
| 2892 | FunctionDecl *&Operator, bool Diagnose) { |
| 2893 | LookupResult Found(*this, Name, StartLoc, LookupOrdinaryName); |
| 2894 | |
| 2895 | LookupQualifiedName(Found, RD); |
| 2896 | |
| 2897 | if (Found.isAmbiguous()) |
| 2898 | return true; |
| 2899 | |
| 2900 | Found.suppressDiagnostics(); |
| 2901 | |
| 2902 | bool Overaligned = hasNewExtendedAlignment(*this, Context.getRecordType(RD)); |
| 2903 | |
| 2904 | |
| 2905 | |
| 2906 | |
| 2907 | llvm::SmallVector<UsualDeallocFnInfo, 4> Matches; |
| 2908 | resolveDeallocationOverload(*this, Found, false, |
| 2909 | Overaligned, &Matches); |
| 2910 | |
| 2911 | |
| 2912 | if (Matches.size() == 1) { |
| 2913 | Operator = cast<CXXMethodDecl>(Matches[0].FD); |
| 2914 | |
| 2915 | |
| 2916 | if (Operator->isDeleted()) { |
| 2917 | if (Diagnose) { |
| 2918 | Diag(StartLoc, diag::err_deleted_function_use); |
| 2919 | NoteDeletedFunction(Operator); |
| 2920 | } |
| 2921 | return true; |
| 2922 | } |
| 2923 | |
| 2924 | if (CheckAllocationAccess(StartLoc, SourceRange(), Found.getNamingClass(), |
| 2925 | Matches[0].Found, Diagnose) == AR_inaccessible) |
| 2926 | return true; |
| 2927 | |
| 2928 | return false; |
| 2929 | } |
| 2930 | |
| 2931 | |
| 2932 | |
| 2933 | |
| 2934 | if (!Matches.empty()) { |
| 2935 | if (Diagnose) { |
| 2936 | Diag(StartLoc, diag::err_ambiguous_suitable_delete_member_function_found) |
| 2937 | << Name << RD; |
| 2938 | for (auto &Match : Matches) |
| 2939 | Diag(Match.FD->getLocation(), diag::note_member_declared_here) << Name; |
| 2940 | } |
| 2941 | return true; |
| 2942 | } |
| 2943 | |
| 2944 | |
| 2945 | |
| 2946 | if (!Found.empty()) { |
| 2947 | if (Diagnose) { |
| 2948 | Diag(StartLoc, diag::err_no_suitable_delete_member_function_found) |
| 2949 | << Name << RD; |
| 2950 | |
| 2951 | for (NamedDecl *D : Found) |
| 2952 | Diag(D->getUnderlyingDecl()->getLocation(), |
| 2953 | diag::note_member_declared_here) << Name; |
| 2954 | } |
| 2955 | return true; |
| 2956 | } |
| 2957 | |
| 2958 | Operator = nullptr; |
| 2959 | return false; |
| 2960 | } |
| 2961 | |
| 2962 | namespace { |
| 2963 | |
| 2964 | |
| 2965 | class MismatchingNewDeleteDetector { |
| 2966 | public: |
| 2967 | enum MismatchResult { |
| 2968 | |
| 2969 | NoMismatch, |
| 2970 | |
| 2971 | VarInitMismatches, |
| 2972 | |
| 2973 | MemberInitMismatches, |
| 2974 | |
| 2975 | |
| 2976 | AnalyzeLater |
| 2977 | }; |
| 2978 | |
| 2979 | |
| 2980 | |
| 2981 | |
| 2982 | explicit MismatchingNewDeleteDetector(bool EndOfTU) |
| 2983 | : Field(nullptr), IsArrayForm(false), EndOfTU(EndOfTU), |
| 2984 | HasUndefinedConstructors(false) {} |
| 2985 | |
| 2986 | |
| 2987 | |
| 2988 | |
| 2989 | |
| 2990 | |
| 2991 | |
| 2992 | |
| 2993 | |
| 2994 | |
| 2995 | |
| 2996 | MismatchResult analyzeDeleteExpr(const CXXDeleteExpr *DE); |
| 2997 | |
| 2998 | |
| 2999 | |
| 3000 | |
| 3001 | MismatchResult analyzeField(FieldDecl *Field, bool DeleteWasArrayForm); |
| 3002 | FieldDecl *Field; |
| 3003 | |
| 3004 | llvm::SmallVector<const CXXNewExpr *, 4> NewExprs; |
| 3005 | |
| 3006 | bool IsArrayForm; |
| 3007 | |
| 3008 | private: |
| 3009 | const bool EndOfTU; |
| 3010 | |
| 3011 | bool HasUndefinedConstructors; |
| 3012 | |
| 3013 | |
| 3014 | |
| 3015 | const CXXNewExpr *getNewExprFromInitListOrExpr(const Expr *E); |
| 3016 | |
| 3017 | |
| 3018 | |
| 3019 | |
| 3020 | |
| 3021 | |
| 3022 | |
| 3023 | MismatchResult analyzeMemberExpr(const MemberExpr *ME); |
| 3024 | |
| 3025 | |
| 3026 | |
| 3027 | |
| 3028 | |
| 3029 | |
| 3030 | |
| 3031 | bool hasMatchingVarInit(const DeclRefExpr *D); |
| 3032 | |
| 3033 | |
| 3034 | |
| 3035 | |
| 3036 | |
| 3037 | |
| 3038 | |
| 3039 | |
| 3040 | bool hasMatchingNewInCtor(const CXXConstructorDecl *CD); |
| 3041 | |
| 3042 | |
| 3043 | bool hasMatchingNewInCtorInit(const CXXCtorInitializer *CI); |
| 3044 | |
| 3045 | |
| 3046 | MismatchResult analyzeInClassInitializer(); |
| 3047 | }; |
| 3048 | } |
| 3049 | |
| 3050 | MismatchingNewDeleteDetector::MismatchResult |
| 3051 | MismatchingNewDeleteDetector::analyzeDeleteExpr(const CXXDeleteExpr *DE) { |
| 3052 | NewExprs.clear(); |
| 3053 | (0) . __assert_fail ("DE && \"Expected delete-expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3053, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(DE && "Expected delete-expression"); |
| 3054 | IsArrayForm = DE->isArrayForm(); |
| 3055 | const Expr *E = DE->getArgument()->IgnoreParenImpCasts(); |
| 3056 | if (const MemberExpr *ME = dyn_cast<const MemberExpr>(E)) { |
| 3057 | return analyzeMemberExpr(ME); |
| 3058 | } else if (const DeclRefExpr *D = dyn_cast<const DeclRefExpr>(E)) { |
| 3059 | if (!hasMatchingVarInit(D)) |
| 3060 | return VarInitMismatches; |
| 3061 | } |
| 3062 | return NoMismatch; |
| 3063 | } |
| 3064 | |
| 3065 | const CXXNewExpr * |
| 3066 | MismatchingNewDeleteDetector::getNewExprFromInitListOrExpr(const Expr *E) { |
| 3067 | (0) . __assert_fail ("E != nullptr && \"Expected a valid initializer expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3067, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(E != nullptr && "Expected a valid initializer expression"); |
| 3068 | E = E->IgnoreParenImpCasts(); |
| 3069 | if (const InitListExpr *ILE = dyn_cast<const InitListExpr>(E)) { |
| 3070 | if (ILE->getNumInits() == 1) |
| 3071 | E = dyn_cast<const CXXNewExpr>(ILE->getInit(0)->IgnoreParenImpCasts()); |
| 3072 | } |
| 3073 | |
| 3074 | return dyn_cast_or_null<const CXXNewExpr>(E); |
| 3075 | } |
| 3076 | |
| 3077 | bool MismatchingNewDeleteDetector::hasMatchingNewInCtorInit( |
| 3078 | const CXXCtorInitializer *CI) { |
| 3079 | const CXXNewExpr *NE = nullptr; |
| 3080 | if (Field == CI->getMember() && |
| 3081 | (NE = getNewExprFromInitListOrExpr(CI->getInit()))) { |
| 3082 | if (NE->isArray() == IsArrayForm) |
| 3083 | return true; |
| 3084 | else |
| 3085 | NewExprs.push_back(NE); |
| 3086 | } |
| 3087 | return false; |
| 3088 | } |
| 3089 | |
| 3090 | bool MismatchingNewDeleteDetector::hasMatchingNewInCtor( |
| 3091 | const CXXConstructorDecl *CD) { |
| 3092 | if (CD->isImplicit()) |
| 3093 | return false; |
| 3094 | const FunctionDecl *Definition = CD; |
| 3095 | if (!CD->isThisDeclarationADefinition() && !CD->isDefined(Definition)) { |
| 3096 | HasUndefinedConstructors = true; |
| 3097 | return EndOfTU; |
| 3098 | } |
| 3099 | for (const auto *CI : cast<const CXXConstructorDecl>(Definition)->inits()) { |
| 3100 | if (hasMatchingNewInCtorInit(CI)) |
| 3101 | return true; |
| 3102 | } |
| 3103 | return false; |
| 3104 | } |
| 3105 | |
| 3106 | MismatchingNewDeleteDetector::MismatchResult |
| 3107 | MismatchingNewDeleteDetector::analyzeInClassInitializer() { |
| 3108 | (0) . __assert_fail ("Field != nullptr && \"This should be called only for members\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3108, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Field != nullptr && "This should be called only for members"); |
| 3109 | const Expr *InitExpr = Field->getInClassInitializer(); |
| 3110 | if (!InitExpr) |
| 3111 | return EndOfTU ? NoMismatch : AnalyzeLater; |
| 3112 | if (const CXXNewExpr *NE = getNewExprFromInitListOrExpr(InitExpr)) { |
| 3113 | if (NE->isArray() != IsArrayForm) { |
| 3114 | NewExprs.push_back(NE); |
| 3115 | return MemberInitMismatches; |
| 3116 | } |
| 3117 | } |
| 3118 | return NoMismatch; |
| 3119 | } |
| 3120 | |
| 3121 | MismatchingNewDeleteDetector::MismatchResult |
| 3122 | MismatchingNewDeleteDetector::analyzeField(FieldDecl *Field, |
| 3123 | bool DeleteWasArrayForm) { |
| 3124 | (0) . __assert_fail ("Field != nullptr && \"Analysis requires a valid class member.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3124, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Field != nullptr && "Analysis requires a valid class member."); |
| 3125 | this->Field = Field; |
| 3126 | IsArrayForm = DeleteWasArrayForm; |
| 3127 | const CXXRecordDecl *RD = cast<const CXXRecordDecl>(Field->getParent()); |
| 3128 | for (const auto *CD : RD->ctors()) { |
| 3129 | if (hasMatchingNewInCtor(CD)) |
| 3130 | return NoMismatch; |
| 3131 | } |
| 3132 | if (HasUndefinedConstructors) |
| 3133 | return EndOfTU ? NoMismatch : AnalyzeLater; |
| 3134 | if (!NewExprs.empty()) |
| 3135 | return MemberInitMismatches; |
| 3136 | return Field->hasInClassInitializer() ? analyzeInClassInitializer() |
| 3137 | : NoMismatch; |
| 3138 | } |
| 3139 | |
| 3140 | MismatchingNewDeleteDetector::MismatchResult |
| 3141 | MismatchingNewDeleteDetector::analyzeMemberExpr(const MemberExpr *ME) { |
| 3142 | (0) . __assert_fail ("ME != nullptr && \"Expected a member expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3142, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ME != nullptr && "Expected a member expression"); |
| 3143 | if (FieldDecl *F = dyn_cast<FieldDecl>(ME->getMemberDecl())) |
| 3144 | return analyzeField(F, IsArrayForm); |
| 3145 | return NoMismatch; |
| 3146 | } |
| 3147 | |
| 3148 | bool MismatchingNewDeleteDetector::hasMatchingVarInit(const DeclRefExpr *D) { |
| 3149 | const CXXNewExpr *NE = nullptr; |
| 3150 | if (const VarDecl *VD = dyn_cast<const VarDecl>(D->getDecl())) { |
| 3151 | if (VD->hasInit() && (NE = getNewExprFromInitListOrExpr(VD->getInit())) && |
| 3152 | NE->isArray() != IsArrayForm) { |
| 3153 | NewExprs.push_back(NE); |
| 3154 | } |
| 3155 | } |
| 3156 | return NewExprs.empty(); |
| 3157 | } |
| 3158 | |
| 3159 | static void |
| 3160 | DiagnoseMismatchedNewDelete(Sema &SemaRef, SourceLocation DeleteLoc, |
| 3161 | const MismatchingNewDeleteDetector &Detector) { |
| 3162 | SourceLocation EndOfDelete = SemaRef.getLocForEndOfToken(DeleteLoc); |
| 3163 | FixItHint H; |
| 3164 | if (!Detector.IsArrayForm) |
| 3165 | H = FixItHint::CreateInsertion(EndOfDelete, "[]"); |
| 3166 | else { |
| 3167 | SourceLocation RSquare = Lexer::findLocationAfterToken( |
| 3168 | DeleteLoc, tok::l_square, SemaRef.getSourceManager(), |
| 3169 | SemaRef.getLangOpts(), true); |
| 3170 | if (RSquare.isValid()) |
| 3171 | H = FixItHint::CreateRemoval(SourceRange(EndOfDelete, RSquare)); |
| 3172 | } |
| 3173 | SemaRef.Diag(DeleteLoc, diag::warn_mismatched_delete_new) |
| 3174 | << Detector.IsArrayForm << H; |
| 3175 | |
| 3176 | for (const auto *NE : Detector.NewExprs) |
| 3177 | SemaRef.Diag(NE->getExprLoc(), diag::note_allocated_here) |
| 3178 | << Detector.IsArrayForm; |
| 3179 | } |
| 3180 | |
| 3181 | void Sema::AnalyzeDeleteExprMismatch(const CXXDeleteExpr *DE) { |
| 3182 | if (Diags.isIgnored(diag::warn_mismatched_delete_new, SourceLocation())) |
| 3183 | return; |
| 3184 | MismatchingNewDeleteDetector Detector(); |
| 3185 | switch (Detector.analyzeDeleteExpr(DE)) { |
| 3186 | case MismatchingNewDeleteDetector::VarInitMismatches: |
| 3187 | case MismatchingNewDeleteDetector::MemberInitMismatches: { |
| 3188 | DiagnoseMismatchedNewDelete(*this, DE->getBeginLoc(), Detector); |
| 3189 | break; |
| 3190 | } |
| 3191 | case MismatchingNewDeleteDetector::AnalyzeLater: { |
| 3192 | DeleteExprs[Detector.Field].push_back( |
| 3193 | std::make_pair(DE->getBeginLoc(), DE->isArrayForm())); |
| 3194 | break; |
| 3195 | } |
| 3196 | case MismatchingNewDeleteDetector::NoMismatch: |
| 3197 | break; |
| 3198 | } |
| 3199 | } |
| 3200 | |
| 3201 | void Sema::AnalyzeDeleteExprMismatch(FieldDecl *Field, SourceLocation DeleteLoc, |
| 3202 | bool DeleteWasArrayForm) { |
| 3203 | MismatchingNewDeleteDetector Detector(); |
| 3204 | switch (Detector.analyzeField(Field, DeleteWasArrayForm)) { |
| 3205 | case MismatchingNewDeleteDetector::VarInitMismatches: |
| 3206 | llvm_unreachable("This analysis should have been done for class members."); |
| 3207 | case MismatchingNewDeleteDetector::AnalyzeLater: |
| 3208 | llvm_unreachable("Analysis cannot be postponed any point beyond end of " |
| 3209 | "translation unit."); |
| 3210 | case MismatchingNewDeleteDetector::MemberInitMismatches: |
| 3211 | DiagnoseMismatchedNewDelete(*this, DeleteLoc, Detector); |
| 3212 | break; |
| 3213 | case MismatchingNewDeleteDetector::NoMismatch: |
| 3214 | break; |
| 3215 | } |
| 3216 | } |
| 3217 | |
| 3218 | |
| 3219 | |
| 3220 | |
| 3221 | |
| 3222 | ExprResult |
| 3223 | Sema::ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, |
| 3224 | bool ArrayForm, Expr *ExE) { |
| 3225 | |
| 3226 | |
| 3227 | |
| 3228 | |
| 3229 | |
| 3230 | |
| 3231 | |
| 3232 | ExprResult Ex = ExE; |
| 3233 | FunctionDecl *OperatorDelete = nullptr; |
| 3234 | bool ArrayFormAsWritten = ArrayForm; |
| 3235 | bool UsualArrayDeleteWantsSize = false; |
| 3236 | |
| 3237 | if (!Ex.get()->isTypeDependent()) { |
| 3238 | |
| 3239 | Ex = DefaultLvalueConversion(Ex.get()); |
| 3240 | if (Ex.isInvalid()) |
| 3241 | return ExprError(); |
| 3242 | |
| 3243 | QualType Type = Ex.get()->getType(); |
| 3244 | |
| 3245 | class DeleteConverter : public ContextualImplicitConverter { |
| 3246 | public: |
| 3247 | DeleteConverter() : ContextualImplicitConverter(false, true) {} |
| 3248 | |
| 3249 | bool match(QualType ConvType) override { |
| 3250 | |
| 3251 | |
| 3252 | if (const PointerType *ConvPtrType = ConvType->getAs<PointerType>()) |
| 3253 | if (ConvPtrType->getPointeeType()->isIncompleteOrObjectType()) |
| 3254 | return true; |
| 3255 | return false; |
| 3256 | } |
| 3257 | |
| 3258 | SemaDiagnosticBuilder diagnoseNoMatch(Sema &S, SourceLocation Loc, |
| 3259 | QualType T) override { |
| 3260 | return S.Diag(Loc, diag::err_delete_operand) << T; |
| 3261 | } |
| 3262 | |
| 3263 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, |
| 3264 | QualType T) override { |
| 3265 | return S.Diag(Loc, diag::err_delete_incomplete_class_type) << T; |
| 3266 | } |
| 3267 | |
| 3268 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, |
| 3269 | QualType T, |
| 3270 | QualType ConvTy) override { |
| 3271 | return S.Diag(Loc, diag::err_delete_explicit_conversion) << T << ConvTy; |
| 3272 | } |
| 3273 | |
| 3274 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, |
| 3275 | QualType ConvTy) override { |
| 3276 | return S.Diag(Conv->getLocation(), diag::note_delete_conversion) |
| 3277 | << ConvTy; |
| 3278 | } |
| 3279 | |
| 3280 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, |
| 3281 | QualType T) override { |
| 3282 | return S.Diag(Loc, diag::err_ambiguous_delete_operand) << T; |
| 3283 | } |
| 3284 | |
| 3285 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, |
| 3286 | QualType ConvTy) override { |
| 3287 | return S.Diag(Conv->getLocation(), diag::note_delete_conversion) |
| 3288 | << ConvTy; |
| 3289 | } |
| 3290 | |
| 3291 | SemaDiagnosticBuilder diagnoseConversion(Sema &S, SourceLocation Loc, |
| 3292 | QualType T, |
| 3293 | QualType ConvTy) override { |
| 3294 | llvm_unreachable("conversion functions are permitted"); |
| 3295 | } |
| 3296 | } Converter; |
| 3297 | |
| 3298 | Ex = PerformContextualImplicitConversion(StartLoc, Ex.get(), Converter); |
| 3299 | if (Ex.isInvalid()) |
| 3300 | return ExprError(); |
| 3301 | Type = Ex.get()->getType(); |
| 3302 | if (!Converter.match(Type)) |
| 3303 | |
| 3304 | |
| 3305 | return ExprError(); |
| 3306 | |
| 3307 | QualType Pointee = Type->getAs<PointerType>()->getPointeeType(); |
| 3308 | QualType PointeeElem = Context.getBaseElementType(Pointee); |
| 3309 | |
| 3310 | if (Pointee.getAddressSpace() != LangAS::Default && |
| 3311 | !getLangOpts().OpenCLCPlusPlus) |
| 3312 | return Diag(Ex.get()->getBeginLoc(), |
| 3313 | diag::err_address_space_qualified_delete) |
| 3314 | << Pointee.getUnqualifiedType() |
| 3315 | << Pointee.getQualifiers().getAddressSpaceAttributePrintValue(); |
| 3316 | |
| 3317 | CXXRecordDecl *PointeeRD = nullptr; |
| 3318 | if (Pointee->isVoidType() && !isSFINAEContext()) { |
| 3319 | |
| 3320 | |
| 3321 | |
| 3322 | Diag(StartLoc, diag::ext_delete_void_ptr_operand) |
| 3323 | << Type << Ex.get()->getSourceRange(); |
| 3324 | } else if (Pointee->isFunctionType() || Pointee->isVoidType()) { |
| 3325 | return ExprError(Diag(StartLoc, diag::err_delete_operand) |
| 3326 | << Type << Ex.get()->getSourceRange()); |
| 3327 | } else if (!Pointee->isDependentType()) { |
| 3328 | |
| 3329 | |
| 3330 | if (!RequireCompleteType(StartLoc, Pointee, |
| 3331 | diag::warn_delete_incomplete, Ex.get())) { |
| 3332 | if (const RecordType *RT = PointeeElem->getAs<RecordType>()) |
| 3333 | PointeeRD = cast<CXXRecordDecl>(RT->getDecl()); |
| 3334 | } |
| 3335 | } |
| 3336 | |
| 3337 | if (Pointee->isArrayType() && !ArrayForm) { |
| 3338 | Diag(StartLoc, diag::warn_delete_array_type) |
| 3339 | << Type << Ex.get()->getSourceRange() |
| 3340 | << FixItHint::CreateInsertion(getLocForEndOfToken(StartLoc), "[]"); |
| 3341 | ArrayForm = true; |
| 3342 | } |
| 3343 | |
| 3344 | DeclarationName DeleteName = Context.DeclarationNames.getCXXOperatorName( |
| 3345 | ArrayForm ? OO_Array_Delete : OO_Delete); |
| 3346 | |
| 3347 | if (PointeeRD) { |
| 3348 | if (!UseGlobal && |
| 3349 | FindDeallocationFunction(StartLoc, PointeeRD, DeleteName, |
| 3350 | OperatorDelete)) |
| 3351 | return ExprError(); |
| 3352 | |
| 3353 | |
| 3354 | |
| 3355 | if (ArrayForm) { |
| 3356 | |
| 3357 | |
| 3358 | if (UseGlobal) |
| 3359 | UsualArrayDeleteWantsSize = |
| 3360 | doesUsualArrayDeleteWantSize(*this, StartLoc, PointeeElem); |
| 3361 | |
| 3362 | |
| 3363 | |
| 3364 | else if (OperatorDelete && isa<CXXMethodDecl>(OperatorDelete)) |
| 3365 | UsualArrayDeleteWantsSize = |
| 3366 | UsualDeallocFnInfo(*this, |
| 3367 | DeclAccessPair::make(OperatorDelete, AS_public)) |
| 3368 | .HasSizeT; |
| 3369 | } |
| 3370 | |
| 3371 | if (!PointeeRD->hasIrrelevantDestructor()) |
| 3372 | if (CXXDestructorDecl *Dtor = LookupDestructor(PointeeRD)) { |
| 3373 | MarkFunctionReferenced(StartLoc, |
| 3374 | const_cast<CXXDestructorDecl*>(Dtor)); |
| 3375 | if (DiagnoseUseOfDecl(Dtor, StartLoc)) |
| 3376 | return ExprError(); |
| 3377 | } |
| 3378 | |
| 3379 | CheckVirtualDtorCall(PointeeRD->getDestructor(), StartLoc, |
| 3380 | , , |
| 3381 | !ArrayForm, |
| 3382 | SourceLocation()); |
| 3383 | } |
| 3384 | |
| 3385 | if (!OperatorDelete) { |
| 3386 | if (getLangOpts().OpenCLCPlusPlus) { |
| 3387 | Diag(StartLoc, diag::err_openclcxx_not_supported) << "default delete"; |
| 3388 | return ExprError(); |
| 3389 | } |
| 3390 | |
| 3391 | bool IsComplete = isCompleteType(StartLoc, Pointee); |
| 3392 | bool CanProvideSize = |
| 3393 | IsComplete && (!ArrayForm || UsualArrayDeleteWantsSize || |
| 3394 | Pointee.isDestructedType()); |
| 3395 | bool Overaligned = hasNewExtendedAlignment(*this, Pointee); |
| 3396 | |
| 3397 | |
| 3398 | OperatorDelete = FindUsualDeallocationFunction(StartLoc, CanProvideSize, |
| 3399 | Overaligned, DeleteName); |
| 3400 | } |
| 3401 | |
| 3402 | MarkFunctionReferenced(StartLoc, OperatorDelete); |
| 3403 | |
| 3404 | |
| 3405 | |
| 3406 | bool IsVirtualDelete = false; |
| 3407 | if (PointeeRD) { |
| 3408 | if (CXXDestructorDecl *Dtor = LookupDestructor(PointeeRD)) { |
| 3409 | CheckDestructorAccess(Ex.get()->getExprLoc(), Dtor, |
| 3410 | PDiag(diag::err_access_dtor) << PointeeElem); |
| 3411 | IsVirtualDelete = Dtor->isVirtual(); |
| 3412 | } |
| 3413 | } |
| 3414 | |
| 3415 | DiagnoseUseOfDecl(OperatorDelete, StartLoc); |
| 3416 | |
| 3417 | |
| 3418 | |
| 3419 | |
| 3420 | |
| 3421 | QualType ParamType = OperatorDelete->getParamDecl(0)->getType(); |
| 3422 | if (!IsVirtualDelete && !ParamType->getPointeeType()->isVoidType()) { |
| 3423 | Qualifiers Qs = Pointee.getQualifiers(); |
| 3424 | if (Qs.hasCVRQualifiers()) { |
| 3425 | |
| 3426 | |
| 3427 | Qs.removeCVRQualifiers(); |
| 3428 | QualType Unqual = Context.getPointerType( |
| 3429 | Context.getQualifiedType(Pointee.getUnqualifiedType(), Qs)); |
| 3430 | Ex = ImpCastExprToType(Ex.get(), Unqual, CK_NoOp); |
| 3431 | } |
| 3432 | Ex = PerformImplicitConversion(Ex.get(), ParamType, AA_Passing); |
| 3433 | if (Ex.isInvalid()) |
| 3434 | return ExprError(); |
| 3435 | } |
| 3436 | } |
| 3437 | |
| 3438 | CXXDeleteExpr *Result = new (Context) CXXDeleteExpr( |
| 3439 | Context.VoidTy, UseGlobal, ArrayForm, ArrayFormAsWritten, |
| 3440 | UsualArrayDeleteWantsSize, OperatorDelete, Ex.get(), StartLoc); |
| 3441 | AnalyzeDeleteExprMismatch(Result); |
| 3442 | return Result; |
| 3443 | } |
| 3444 | |
| 3445 | static bool resolveBuiltinNewDeleteOverload(Sema &S, CallExpr *TheCall, |
| 3446 | bool IsDelete, |
| 3447 | FunctionDecl *&Operator) { |
| 3448 | |
| 3449 | DeclarationName NewName = S.Context.DeclarationNames.getCXXOperatorName( |
| 3450 | IsDelete ? OO_Delete : OO_New); |
| 3451 | |
| 3452 | LookupResult R(S, NewName, TheCall->getBeginLoc(), Sema::LookupOrdinaryName); |
| 3453 | S.LookupQualifiedName(R, S.Context.getTranslationUnitDecl()); |
| 3454 | (0) . __assert_fail ("!R.empty() && \"implicitly declared allocation functions not found\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3454, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!R.empty() && "implicitly declared allocation functions not found"); |
| 3455 | (0) . __assert_fail ("!R.isAmbiguous() && \"global allocation functions are ambiguous\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3455, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!R.isAmbiguous() && "global allocation functions are ambiguous"); |
| 3456 | |
| 3457 | |
| 3458 | R.suppressDiagnostics(); |
| 3459 | |
| 3460 | SmallVector<Expr *, 8> Args(TheCall->arg_begin(), TheCall->arg_end()); |
| 3461 | OverloadCandidateSet Candidates(R.getNameLoc(), |
| 3462 | OverloadCandidateSet::CSK_Normal); |
| 3463 | for (LookupResult::iterator FnOvl = R.begin(), FnOvlEnd = R.end(); |
| 3464 | FnOvl != FnOvlEnd; ++FnOvl) { |
| 3465 | |
| 3466 | |
| 3467 | NamedDecl *D = (*FnOvl)->getUnderlyingDecl(); |
| 3468 | |
| 3469 | if (FunctionTemplateDecl *FnTemplate = dyn_cast<FunctionTemplateDecl>(D)) { |
| 3470 | S.AddTemplateOverloadCandidate(FnTemplate, FnOvl.getPair(), |
| 3471 | , Args, |
| 3472 | Candidates, |
| 3473 | ); |
| 3474 | continue; |
| 3475 | } |
| 3476 | |
| 3477 | FunctionDecl *Fn = cast<FunctionDecl>(D); |
| 3478 | S.AddOverloadCandidate(Fn, FnOvl.getPair(), Args, Candidates, |
| 3479 | ); |
| 3480 | } |
| 3481 | |
| 3482 | SourceRange Range = TheCall->getSourceRange(); |
| 3483 | |
| 3484 | |
| 3485 | OverloadCandidateSet::iterator Best; |
| 3486 | switch (Candidates.BestViableFunction(S, R.getNameLoc(), Best)) { |
| 3487 | case OR_Success: { |
| 3488 | |
| 3489 | FunctionDecl *FnDecl = Best->Function; |
| 3490 | (0) . __assert_fail ("R.getNamingClass() == nullptr && \"class members should not be considered\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3491, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(R.getNamingClass() == nullptr && |
| 3491 | (0) . __assert_fail ("R.getNamingClass() == nullptr && \"class members should not be considered\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3491, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "class members should not be considered"); |
| 3492 | |
| 3493 | if (!FnDecl->isReplaceableGlobalAllocationFunction()) { |
| 3494 | S.Diag(R.getNameLoc(), diag::err_builtin_operator_new_delete_not_usual) |
| 3495 | << (IsDelete ? 1 : 0) << Range; |
| 3496 | S.Diag(FnDecl->getLocation(), diag::note_non_usual_function_declared_here) |
| 3497 | << R.getLookupName() << FnDecl->getSourceRange(); |
| 3498 | return true; |
| 3499 | } |
| 3500 | |
| 3501 | Operator = FnDecl; |
| 3502 | return false; |
| 3503 | } |
| 3504 | |
| 3505 | case OR_No_Viable_Function: |
| 3506 | S.Diag(R.getNameLoc(), diag::err_ovl_no_viable_function_in_call) |
| 3507 | << R.getLookupName() << Range; |
| 3508 | Candidates.NoteCandidates(S, OCD_AllCandidates, Args); |
| 3509 | return true; |
| 3510 | |
| 3511 | case OR_Ambiguous: |
| 3512 | S.Diag(R.getNameLoc(), diag::err_ovl_ambiguous_call) |
| 3513 | << R.getLookupName() << Range; |
| 3514 | Candidates.NoteCandidates(S, OCD_ViableCandidates, Args); |
| 3515 | return true; |
| 3516 | |
| 3517 | case OR_Deleted: { |
| 3518 | S.Diag(R.getNameLoc(), diag::err_ovl_deleted_call) |
| 3519 | << R.getLookupName() << Range; |
| 3520 | Candidates.NoteCandidates(S, OCD_AllCandidates, Args); |
| 3521 | return true; |
| 3522 | } |
| 3523 | } |
| 3524 | llvm_unreachable("Unreachable, bad result from BestViableFunction"); |
| 3525 | } |
| 3526 | |
| 3527 | ExprResult |
| 3528 | Sema::SemaBuiltinOperatorNewDeleteOverloaded(ExprResult TheCallResult, |
| 3529 | bool IsDelete) { |
| 3530 | CallExpr *TheCall = cast<CallExpr>(TheCallResult.get()); |
| 3531 | if (!getLangOpts().CPlusPlus) { |
| 3532 | Diag(TheCall->getExprLoc(), diag::err_builtin_requires_language) |
| 3533 | << (IsDelete ? "__builtin_operator_delete" : "__builtin_operator_new") |
| 3534 | << "C++"; |
| 3535 | return ExprError(); |
| 3536 | } |
| 3537 | |
| 3538 | |
| 3539 | DeclareGlobalNewDelete(); |
| 3540 | |
| 3541 | FunctionDecl *OperatorNewOrDelete = nullptr; |
| 3542 | if (resolveBuiltinNewDeleteOverload(*this, TheCall, IsDelete, |
| 3543 | OperatorNewOrDelete)) |
| 3544 | return ExprError(); |
| 3545 | (0) . __assert_fail ("OperatorNewOrDelete && \"should be found\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3545, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(OperatorNewOrDelete && "should be found"); |
| 3546 | |
| 3547 | DiagnoseUseOfDecl(OperatorNewOrDelete, TheCall->getExprLoc()); |
| 3548 | MarkFunctionReferenced(TheCall->getExprLoc(), OperatorNewOrDelete); |
| 3549 | |
| 3550 | TheCall->setType(OperatorNewOrDelete->getReturnType()); |
| 3551 | for (unsigned i = 0; i != TheCall->getNumArgs(); ++i) { |
| 3552 | QualType ParamTy = OperatorNewOrDelete->getParamDecl(i)->getType(); |
| 3553 | InitializedEntity Entity = |
| 3554 | InitializedEntity::InitializeParameter(Context, ParamTy, false); |
| 3555 | ExprResult Arg = PerformCopyInitialization( |
| 3556 | Entity, TheCall->getArg(i)->getBeginLoc(), TheCall->getArg(i)); |
| 3557 | if (Arg.isInvalid()) |
| 3558 | return ExprError(); |
| 3559 | TheCall->setArg(i, Arg.get()); |
| 3560 | } |
| 3561 | auto Callee = dyn_cast<ImplicitCastExpr>(TheCall->getCallee()); |
| 3562 | (0) . __assert_fail ("Callee && Callee->getCastKind() == CK_BuiltinFnToFnPtr && \"Callee expected to be implicit cast to a builtin function pointer\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3563, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Callee && Callee->getCastKind() == CK_BuiltinFnToFnPtr && |
| 3563 | (0) . __assert_fail ("Callee && Callee->getCastKind() == CK_BuiltinFnToFnPtr && \"Callee expected to be implicit cast to a builtin function pointer\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3563, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Callee expected to be implicit cast to a builtin function pointer"); |
| 3564 | Callee->setType(OperatorNewOrDelete->getType()); |
| 3565 | |
| 3566 | return TheCallResult; |
| 3567 | } |
| 3568 | |
| 3569 | void Sema::CheckVirtualDtorCall(CXXDestructorDecl *dtor, SourceLocation Loc, |
| 3570 | bool IsDelete, bool CallCanBeVirtual, |
| 3571 | bool WarnOnNonAbstractTypes, |
| 3572 | SourceLocation DtorLoc) { |
| 3573 | if (!dtor || dtor->isVirtual() || !CallCanBeVirtual || isUnevaluatedContext()) |
| 3574 | return; |
| 3575 | |
| 3576 | |
| 3577 | |
| 3578 | |
| 3579 | |
| 3580 | |
| 3581 | |
| 3582 | |
| 3583 | const CXXRecordDecl *PointeeRD = dtor->getParent(); |
| 3584 | |
| 3585 | if (!PointeeRD->isPolymorphic() || PointeeRD->hasAttr<FinalAttr>()) |
| 3586 | return; |
| 3587 | |
| 3588 | |
| 3589 | |
| 3590 | |
| 3591 | if (getSourceManager().isInSystemHeader(PointeeRD->getLocation())) |
| 3592 | return; |
| 3593 | |
| 3594 | QualType ClassType = dtor->getThisType()->getPointeeType(); |
| 3595 | if (PointeeRD->isAbstract()) { |
| 3596 | |
| 3597 | |
| 3598 | Diag(Loc, diag::warn_delete_abstract_non_virtual_dtor) << (IsDelete ? 0 : 1) |
| 3599 | << ClassType; |
| 3600 | } else if (WarnOnNonAbstractTypes) { |
| 3601 | |
| 3602 | |
| 3603 | Diag(Loc, diag::warn_delete_non_virtual_dtor) << (IsDelete ? 0 : 1) |
| 3604 | << ClassType; |
| 3605 | } |
| 3606 | if (!IsDelete) { |
| 3607 | std::string TypeStr; |
| 3608 | ClassType.getAsStringInternal(TypeStr, getPrintingPolicy()); |
| 3609 | Diag(DtorLoc, diag::note_delete_non_virtual) |
| 3610 | << FixItHint::CreateInsertion(DtorLoc, TypeStr + "::"); |
| 3611 | } |
| 3612 | } |
| 3613 | |
| 3614 | Sema::ConditionResult Sema::ActOnConditionVariable(Decl *ConditionVar, |
| 3615 | SourceLocation StmtLoc, |
| 3616 | ConditionKind CK) { |
| 3617 | ExprResult E = |
| 3618 | CheckConditionVariable(cast<VarDecl>(ConditionVar), StmtLoc, CK); |
| 3619 | if (E.isInvalid()) |
| 3620 | return ConditionError(); |
| 3621 | return ConditionResult(*this, ConditionVar, MakeFullExpr(E.get(), StmtLoc), |
| 3622 | CK == ConditionKind::ConstexprIf); |
| 3623 | } |
| 3624 | |
| 3625 | |
| 3626 | |
| 3627 | ExprResult Sema::CheckConditionVariable(VarDecl *ConditionVar, |
| 3628 | SourceLocation StmtLoc, |
| 3629 | ConditionKind CK) { |
| 3630 | if (ConditionVar->isInvalidDecl()) |
| 3631 | return ExprError(); |
| 3632 | |
| 3633 | QualType T = ConditionVar->getType(); |
| 3634 | |
| 3635 | |
| 3636 | |
| 3637 | if (T->isFunctionType()) |
| 3638 | return ExprError(Diag(ConditionVar->getLocation(), |
| 3639 | diag::err_invalid_use_of_function_type) |
| 3640 | << ConditionVar->getSourceRange()); |
| 3641 | else if (T->isArrayType()) |
| 3642 | return ExprError(Diag(ConditionVar->getLocation(), |
| 3643 | diag::err_invalid_use_of_array_type) |
| 3644 | << ConditionVar->getSourceRange()); |
| 3645 | |
| 3646 | ExprResult Condition = DeclRefExpr::Create( |
| 3647 | Context, NestedNameSpecifierLoc(), SourceLocation(), ConditionVar, |
| 3648 | false, ConditionVar->getLocation(), |
| 3649 | ConditionVar->getType().getNonReferenceType(), VK_LValue); |
| 3650 | |
| 3651 | MarkDeclRefReferenced(cast<DeclRefExpr>(Condition.get())); |
| 3652 | |
| 3653 | switch (CK) { |
| 3654 | case ConditionKind::Boolean: |
| 3655 | return CheckBooleanCondition(StmtLoc, Condition.get()); |
| 3656 | |
| 3657 | case ConditionKind::ConstexprIf: |
| 3658 | return CheckBooleanCondition(StmtLoc, Condition.get(), true); |
| 3659 | |
| 3660 | case ConditionKind::Switch: |
| 3661 | return CheckSwitchCondition(StmtLoc, Condition.get()); |
| 3662 | } |
| 3663 | |
| 3664 | llvm_unreachable("unexpected condition kind"); |
| 3665 | } |
| 3666 | |
| 3667 | |
| 3668 | ExprResult Sema::CheckCXXBooleanCondition(Expr *CondExpr, bool IsConstexpr) { |
| 3669 | |
| 3670 | |
| 3671 | |
| 3672 | |
| 3673 | |
| 3674 | |
| 3675 | |
| 3676 | |
| 3677 | |
| 3678 | llvm::APSInt Value(); |
| 3679 | return (IsConstexpr && !CondExpr->isValueDependent()) |
| 3680 | ? CheckConvertedConstantExpression(CondExpr, Context.BoolTy, Value, |
| 3681 | CCEK_ConstexprIf) |
| 3682 | : PerformContextuallyConvertToBool(CondExpr); |
| 3683 | } |
| 3684 | |
| 3685 | |
| 3686 | |
| 3687 | |
| 3688 | |
| 3689 | bool |
| 3690 | Sema::IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType) { |
| 3691 | |
| 3692 | if (ImplicitCastExpr *Cast = dyn_cast<ImplicitCastExpr>(From)) |
| 3693 | From = Cast->getSubExpr(); |
| 3694 | |
| 3695 | |
| 3696 | |
| 3697 | |
| 3698 | |
| 3699 | if (StringLiteral *StrLit = dyn_cast<StringLiteral>(From->IgnoreParens())) |
| 3700 | if (const PointerType *ToPtrType = ToType->getAs<PointerType>()) |
| 3701 | if (const BuiltinType *ToPointeeType |
| 3702 | = ToPtrType->getPointeeType()->getAs<BuiltinType>()) { |
| 3703 | |
| 3704 | |
| 3705 | if (!ToPtrType->getPointeeType().hasQualifiers()) { |
| 3706 | switch (StrLit->getKind()) { |
| 3707 | case StringLiteral::UTF8: |
| 3708 | case StringLiteral::UTF16: |
| 3709 | case StringLiteral::UTF32: |
| 3710 | |
| 3711 | break; |
| 3712 | case StringLiteral::Ascii: |
| 3713 | return (ToPointeeType->getKind() == BuiltinType::Char_U || |
| 3714 | ToPointeeType->getKind() == BuiltinType::Char_S); |
| 3715 | case StringLiteral::Wide: |
| 3716 | return Context.typesAreCompatible(Context.getWideCharType(), |
| 3717 | QualType(ToPointeeType, 0)); |
| 3718 | } |
| 3719 | } |
| 3720 | } |
| 3721 | |
| 3722 | return false; |
| 3723 | } |
| 3724 | |
| 3725 | static ExprResult BuildCXXCastArgument(Sema &S, |
| 3726 | SourceLocation CastLoc, |
| 3727 | QualType Ty, |
| 3728 | CastKind Kind, |
| 3729 | CXXMethodDecl *Method, |
| 3730 | DeclAccessPair FoundDecl, |
| 3731 | bool HadMultipleCandidates, |
| 3732 | Expr *From) { |
| 3733 | switch (Kind) { |
| 3734 | default: llvm_unreachable("Unhandled cast kind!"); |
| 3735 | case CK_ConstructorConversion: { |
| 3736 | CXXConstructorDecl *Constructor = cast<CXXConstructorDecl>(Method); |
| 3737 | SmallVector<Expr*, 8> ConstructorArgs; |
| 3738 | |
| 3739 | if (S.RequireNonAbstractType(CastLoc, Ty, |
| 3740 | diag::err_allocation_of_abstract_type)) |
| 3741 | return ExprError(); |
| 3742 | |
| 3743 | if (S.CompleteConstructorCall(Constructor, From, CastLoc, ConstructorArgs)) |
| 3744 | return ExprError(); |
| 3745 | |
| 3746 | S.CheckConstructorAccess(CastLoc, Constructor, FoundDecl, |
| 3747 | InitializedEntity::InitializeTemporary(Ty)); |
| 3748 | if (S.DiagnoseUseOfDecl(Method, CastLoc)) |
| 3749 | return ExprError(); |
| 3750 | |
| 3751 | ExprResult Result = S.BuildCXXConstructExpr( |
| 3752 | CastLoc, Ty, FoundDecl, cast<CXXConstructorDecl>(Method), |
| 3753 | ConstructorArgs, HadMultipleCandidates, |
| 3754 | false, false, false, |
| 3755 | CXXConstructExpr::CK_Complete, SourceRange()); |
| 3756 | if (Result.isInvalid()) |
| 3757 | return ExprError(); |
| 3758 | |
| 3759 | return S.MaybeBindToTemporary(Result.getAs<Expr>()); |
| 3760 | } |
| 3761 | |
| 3762 | case CK_UserDefinedConversion: { |
| 3763 | (0) . __assert_fail ("!From->getType()->isPointerType() && \"Arg can't have pointer type!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3763, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!From->getType()->isPointerType() && "Arg can't have pointer type!"); |
| 3764 | |
| 3765 | S.CheckMemberOperatorAccess(CastLoc, From, nullptr, FoundDecl); |
| 3766 | if (S.DiagnoseUseOfDecl(Method, CastLoc)) |
| 3767 | return ExprError(); |
| 3768 | |
| 3769 | |
| 3770 | CXXConversionDecl *Conv = cast<CXXConversionDecl>(Method); |
| 3771 | ExprResult Result = S.BuildCXXMemberCallExpr(From, FoundDecl, Conv, |
| 3772 | HadMultipleCandidates); |
| 3773 | if (Result.isInvalid()) |
| 3774 | return ExprError(); |
| 3775 | |
| 3776 | Result = ImplicitCastExpr::Create(S.Context, Result.get()->getType(), |
| 3777 | CK_UserDefinedConversion, Result.get(), |
| 3778 | nullptr, Result.get()->getValueKind()); |
| 3779 | |
| 3780 | return S.MaybeBindToTemporary(Result.get()); |
| 3781 | } |
| 3782 | } |
| 3783 | } |
| 3784 | |
| 3785 | |
| 3786 | |
| 3787 | |
| 3788 | |
| 3789 | |
| 3790 | ExprResult |
| 3791 | Sema::PerformImplicitConversion(Expr *From, QualType ToType, |
| 3792 | const ImplicitConversionSequence &ICS, |
| 3793 | AssignmentAction Action, |
| 3794 | CheckedConversionKind CCK) { |
| 3795 | |
| 3796 | if (CCK == CCK_ForBuiltinOverloadedOp && !From->getType()->isRecordType()) |
| 3797 | return From; |
| 3798 | |
| 3799 | switch (ICS.getKind()) { |
| 3800 | case ImplicitConversionSequence::StandardConversion: { |
| 3801 | ExprResult Res = PerformImplicitConversion(From, ToType, ICS.Standard, |
| 3802 | Action, CCK); |
| 3803 | if (Res.isInvalid()) |
| 3804 | return ExprError(); |
| 3805 | From = Res.get(); |
| 3806 | break; |
| 3807 | } |
| 3808 | |
| 3809 | case ImplicitConversionSequence::UserDefinedConversion: { |
| 3810 | |
| 3811 | FunctionDecl *FD = ICS.UserDefined.ConversionFunction; |
| 3812 | CastKind CastKind; |
| 3813 | QualType BeforeToType; |
| 3814 | (0) . __assert_fail ("FD && \"no conversion function for user-defined conversion seq\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3814, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(FD && "no conversion function for user-defined conversion seq"); |
| 3815 | if (const CXXConversionDecl *Conv = dyn_cast<CXXConversionDecl>(FD)) { |
| 3816 | CastKind = CK_UserDefinedConversion; |
| 3817 | |
| 3818 | |
| 3819 | |
| 3820 | |
| 3821 | BeforeToType = Context.getTagDeclType(Conv->getParent()); |
| 3822 | } else { |
| 3823 | const CXXConstructorDecl *Ctor = cast<CXXConstructorDecl>(FD); |
| 3824 | CastKind = CK_ConstructorConversion; |
| 3825 | |
| 3826 | if (!ICS.UserDefined.EllipsisConversion) { |
| 3827 | |
| 3828 | |
| 3829 | |
| 3830 | BeforeToType = Ctor->getParamDecl(0)->getType().getNonReferenceType(); |
| 3831 | } |
| 3832 | } |
| 3833 | |
| 3834 | if (!ICS.UserDefined.EllipsisConversion) { |
| 3835 | ExprResult Res = |
| 3836 | PerformImplicitConversion(From, BeforeToType, |
| 3837 | ICS.UserDefined.Before, AA_Converting, |
| 3838 | CCK); |
| 3839 | if (Res.isInvalid()) |
| 3840 | return ExprError(); |
| 3841 | From = Res.get(); |
| 3842 | } |
| 3843 | |
| 3844 | ExprResult CastArg = BuildCXXCastArgument( |
| 3845 | *this, From->getBeginLoc(), ToType.getNonReferenceType(), CastKind, |
| 3846 | cast<CXXMethodDecl>(FD), ICS.UserDefined.FoundConversionFunction, |
| 3847 | ICS.UserDefined.HadMultipleCandidates, From); |
| 3848 | |
| 3849 | if (CastArg.isInvalid()) |
| 3850 | return ExprError(); |
| 3851 | |
| 3852 | From = CastArg.get(); |
| 3853 | |
| 3854 | |
| 3855 | |
| 3856 | |
| 3857 | if (CCK == CCK_ForBuiltinOverloadedOp) |
| 3858 | return From; |
| 3859 | |
| 3860 | return PerformImplicitConversion(From, ToType, ICS.UserDefined.After, |
| 3861 | AA_Converting, CCK); |
| 3862 | } |
| 3863 | |
| 3864 | case ImplicitConversionSequence::AmbiguousConversion: |
| 3865 | ICS.DiagnoseAmbiguousConversion(*this, From->getExprLoc(), |
| 3866 | PDiag(diag::err_typecheck_ambiguous_condition) |
| 3867 | << From->getSourceRange()); |
| 3868 | return ExprError(); |
| 3869 | |
| 3870 | case ImplicitConversionSequence::EllipsisConversion: |
| 3871 | llvm_unreachable("Cannot perform an ellipsis conversion"); |
| 3872 | |
| 3873 | case ImplicitConversionSequence::BadConversion: |
| 3874 | bool Diagnosed = |
| 3875 | DiagnoseAssignmentResult(Incompatible, From->getExprLoc(), ToType, |
| 3876 | From->getType(), From, Action); |
| 3877 | (0) . __assert_fail ("Diagnosed && \"failed to diagnose bad conversion\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3877, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Diagnosed && "failed to diagnose bad conversion"); (void)Diagnosed; |
| 3878 | return ExprError(); |
| 3879 | } |
| 3880 | |
| 3881 | |
| 3882 | return From; |
| 3883 | } |
| 3884 | |
| 3885 | |
| 3886 | |
| 3887 | |
| 3888 | |
| 3889 | |
| 3890 | ExprResult |
| 3891 | Sema::PerformImplicitConversion(Expr *From, QualType ToType, |
| 3892 | const StandardConversionSequence& SCS, |
| 3893 | AssignmentAction Action, |
| 3894 | CheckedConversionKind CCK) { |
| 3895 | bool CStyle = (CCK == CCK_CStyleCast || CCK == CCK_FunctionalCast); |
| 3896 | |
| 3897 | |
| 3898 | |
| 3899 | |
| 3900 | |
| 3901 | QualType FromType = From->getType(); |
| 3902 | |
| 3903 | if (SCS.CopyConstructor) { |
| 3904 | |
| 3905 | isReferenceType()", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3905, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!ToType->isReferenceType()); |
| 3906 | if (SCS.Second == ICK_Derived_To_Base) { |
| 3907 | SmallVector<Expr*, 8> ConstructorArgs; |
| 3908 | if (CompleteConstructorCall(cast<CXXConstructorDecl>(SCS.CopyConstructor), |
| 3909 | From, SourceLocation(), |
| 3910 | ConstructorArgs)) |
| 3911 | return ExprError(); |
| 3912 | return BuildCXXConstructExpr( |
| 3913 | SourceLocation(), ToType, |
| 3914 | SCS.FoundCopyConstructor, SCS.CopyConstructor, |
| 3915 | ConstructorArgs, false, |
| 3916 | false, false, false, |
| 3917 | CXXConstructExpr::CK_Complete, SourceRange()); |
| 3918 | } |
| 3919 | return BuildCXXConstructExpr( |
| 3920 | SourceLocation(), ToType, |
| 3921 | SCS.FoundCopyConstructor, SCS.CopyConstructor, |
| 3922 | From, false, |
| 3923 | false, false, false, |
| 3924 | CXXConstructExpr::CK_Complete, SourceRange()); |
| 3925 | } |
| 3926 | |
| 3927 | |
| 3928 | if (Context.hasSameType(FromType, Context.OverloadTy)) { |
| 3929 | DeclAccessPair Found; |
| 3930 | FunctionDecl *Fn = ResolveAddressOfOverloadedFunction(From, ToType, |
| 3931 | true, Found); |
| 3932 | if (!Fn) |
| 3933 | return ExprError(); |
| 3934 | |
| 3935 | if (DiagnoseUseOfDecl(Fn, From->getBeginLoc())) |
| 3936 | return ExprError(); |
| 3937 | |
| 3938 | From = FixOverloadedFunctionReference(From, Found, Fn); |
| 3939 | FromType = From->getType(); |
| 3940 | } |
| 3941 | |
| 3942 | |
| 3943 | |
| 3944 | QualType ToAtomicType; |
| 3945 | if (const AtomicType *ToAtomic = ToType->getAs<AtomicType>()) { |
| 3946 | ToAtomicType = ToType; |
| 3947 | ToType = ToAtomic->getValueType(); |
| 3948 | } |
| 3949 | |
| 3950 | QualType InitialFromType = FromType; |
| 3951 | |
| 3952 | switch (SCS.First) { |
| 3953 | case ICK_Identity: |
| 3954 | if (const AtomicType *FromAtomic = FromType->getAs<AtomicType>()) { |
| 3955 | FromType = FromAtomic->getValueType().getUnqualifiedType(); |
| 3956 | From = ImplicitCastExpr::Create(Context, FromType, CK_AtomicToNonAtomic, |
| 3957 | From, , VK_RValue); |
| 3958 | } |
| 3959 | break; |
| 3960 | |
| 3961 | case ICK_Lvalue_To_Rvalue: { |
| 3962 | getObjectKind() != OK_ObjCProperty", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3962, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(From->getObjectKind() != OK_ObjCProperty); |
| 3963 | ExprResult FromRes = DefaultLvalueConversion(From); |
| 3964 | (0) . __assert_fail ("!FromRes.isInvalid() && \"Can't perform deduced conversion?!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 3964, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!FromRes.isInvalid() && "Can't perform deduced conversion?!"); |
| 3965 | From = FromRes.get(); |
| 3966 | FromType = From->getType(); |
| 3967 | break; |
| 3968 | } |
| 3969 | |
| 3970 | case ICK_Array_To_Pointer: |
| 3971 | FromType = Context.getArrayDecayedType(FromType); |
| 3972 | From = ImpCastExprToType(From, FromType, CK_ArrayToPointerDecay, |
| 3973 | VK_RValue, , CCK).get(); |
| 3974 | break; |
| 3975 | |
| 3976 | case ICK_Function_To_Pointer: |
| 3977 | FromType = Context.getPointerType(FromType); |
| 3978 | From = ImpCastExprToType(From, FromType, CK_FunctionToPointerDecay, |
| 3979 | VK_RValue, , CCK).get(); |
| 3980 | break; |
| 3981 | |
| 3982 | default: |
| 3983 | llvm_unreachable("Improper first standard conversion"); |
| 3984 | } |
| 3985 | |
| 3986 | |
| 3987 | switch (SCS.Second) { |
| 3988 | case ICK_Identity: |
| 3989 | |
| 3990 | |
| 3991 | |
| 3992 | |
| 3993 | |
| 3994 | switch (Action) { |
| 3995 | case AA_Assigning: |
| 3996 | case AA_Initializing: |
| 3997 | |
| 3998 | case AA_Passing: |
| 3999 | case AA_Returning: |
| 4000 | case AA_Sending: |
| 4001 | case AA_Passing_CFAudited: |
| 4002 | if (CheckExceptionSpecCompatibility(From, ToType)) |
| 4003 | return ExprError(); |
| 4004 | break; |
| 4005 | |
| 4006 | case AA_Casting: |
| 4007 | case AA_Converting: |
| 4008 | |
| 4009 | |
| 4010 | break; |
| 4011 | } |
| 4012 | |
| 4013 | break; |
| 4014 | |
| 4015 | case ICK_Integral_Promotion: |
| 4016 | case ICK_Integral_Conversion: |
| 4017 | if (ToType->isBooleanType()) { |
| 4018 | (0) . __assert_fail ("FromType->castAs()->getDecl()->isFixed() && SCS.Second == ICK_Integral_Promotion && \"only enums with fixed underlying type can promote to bool\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(FromType->castAs<EnumType>()->getDecl()->isFixed() && |
| 4019 | (0) . __assert_fail ("FromType->castAs()->getDecl()->isFixed() && SCS.Second == ICK_Integral_Promotion && \"only enums with fixed underlying type can promote to bool\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> SCS.Second == ICK_Integral_Promotion && |
| 4020 | (0) . __assert_fail ("FromType->castAs()->getDecl()->isFixed() && SCS.Second == ICK_Integral_Promotion && \"only enums with fixed underlying type can promote to bool\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4020, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "only enums with fixed underlying type can promote to bool"); |
| 4021 | From = ImpCastExprToType(From, ToType, CK_IntegralToBoolean, |
| 4022 | VK_RValue, , CCK).get(); |
| 4023 | } else { |
| 4024 | From = ImpCastExprToType(From, ToType, CK_IntegralCast, |
| 4025 | VK_RValue, , CCK).get(); |
| 4026 | } |
| 4027 | break; |
| 4028 | |
| 4029 | case ICK_Floating_Promotion: |
| 4030 | case ICK_Floating_Conversion: |
| 4031 | From = ImpCastExprToType(From, ToType, CK_FloatingCast, |
| 4032 | VK_RValue, , CCK).get(); |
| 4033 | break; |
| 4034 | |
| 4035 | case ICK_Complex_Promotion: |
| 4036 | case ICK_Complex_Conversion: { |
| 4037 | QualType FromEl = From->getType()->getAs<ComplexType>()->getElementType(); |
| 4038 | QualType ToEl = ToType->getAs<ComplexType>()->getElementType(); |
| 4039 | CastKind CK; |
| 4040 | if (FromEl->isRealFloatingType()) { |
| 4041 | if (ToEl->isRealFloatingType()) |
| 4042 | CK = CK_FloatingComplexCast; |
| 4043 | else |
| 4044 | CK = CK_FloatingComplexToIntegralComplex; |
| 4045 | } else if (ToEl->isRealFloatingType()) { |
| 4046 | CK = CK_IntegralComplexToFloatingComplex; |
| 4047 | } else { |
| 4048 | CK = CK_IntegralComplexCast; |
| 4049 | } |
| 4050 | From = ImpCastExprToType(From, ToType, CK, |
| 4051 | VK_RValue, , CCK).get(); |
| 4052 | break; |
| 4053 | } |
| 4054 | |
| 4055 | case ICK_Floating_Integral: |
| 4056 | if (ToType->isRealFloatingType()) |
| 4057 | From = ImpCastExprToType(From, ToType, CK_IntegralToFloating, |
| 4058 | VK_RValue, , CCK).get(); |
| 4059 | else |
| 4060 | From = ImpCastExprToType(From, ToType, CK_FloatingToIntegral, |
| 4061 | VK_RValue, , CCK).get(); |
| 4062 | break; |
| 4063 | |
| 4064 | case ICK_Compatible_Conversion: |
| 4065 | From = ImpCastExprToType(From, ToType, CK_NoOp, |
| 4066 | VK_RValue, , CCK).get(); |
| 4067 | break; |
| 4068 | |
| 4069 | case ICK_Writeback_Conversion: |
| 4070 | case ICK_Pointer_Conversion: { |
| 4071 | if (SCS.IncompatibleObjC && Action != AA_Casting) { |
| 4072 | |
| 4073 | if (Action == AA_Initializing || Action == AA_Assigning) |
| 4074 | Diag(From->getBeginLoc(), |
| 4075 | diag::ext_typecheck_convert_incompatible_pointer) |
| 4076 | << ToType << From->getType() << Action << From->getSourceRange() |
| 4077 | << 0; |
| 4078 | else |
| 4079 | Diag(From->getBeginLoc(), |
| 4080 | diag::ext_typecheck_convert_incompatible_pointer) |
| 4081 | << From->getType() << ToType << Action << From->getSourceRange() |
| 4082 | << 0; |
| 4083 | |
| 4084 | if (From->getType()->isObjCObjectPointerType() && |
| 4085 | ToType->isObjCObjectPointerType()) |
| 4086 | EmitRelatedResultTypeNote(From); |
| 4087 | } else if (getLangOpts().allowsNonTrivialObjCLifetimeQualifiers() && |
| 4088 | !CheckObjCARCUnavailableWeakConversion(ToType, |
| 4089 | From->getType())) { |
| 4090 | if (Action == AA_Initializing) |
| 4091 | Diag(From->getBeginLoc(), diag::err_arc_weak_unavailable_assign); |
| 4092 | else |
| 4093 | Diag(From->getBeginLoc(), diag::err_arc_convesion_of_weak_unavailable) |
| 4094 | << (Action == AA_Casting) << From->getType() << ToType |
| 4095 | << From->getSourceRange(); |
| 4096 | } |
| 4097 | |
| 4098 | CastKind Kind; |
| 4099 | CXXCastPath BasePath; |
| 4100 | if (CheckPointerConversion(From, ToType, Kind, BasePath, CStyle)) |
| 4101 | return ExprError(); |
| 4102 | |
| 4103 | |
| 4104 | |
| 4105 | if (Kind == CK_BlockPointerToObjCPointerCast) { |
| 4106 | ExprResult E = From; |
| 4107 | (void) PrepareCastToObjCObjectPointer(E); |
| 4108 | From = E.get(); |
| 4109 | } |
| 4110 | if (getLangOpts().allowsNonTrivialObjCLifetimeQualifiers()) |
| 4111 | CheckObjCConversion(SourceRange(), ToType, From, CCK); |
| 4112 | From = ImpCastExprToType(From, ToType, Kind, VK_RValue, &BasePath, CCK) |
| 4113 | .get(); |
| 4114 | break; |
| 4115 | } |
| 4116 | |
| 4117 | case ICK_Pointer_Member: { |
| 4118 | CastKind Kind; |
| 4119 | CXXCastPath BasePath; |
| 4120 | if (CheckMemberPointerConversion(From, ToType, Kind, BasePath, CStyle)) |
| 4121 | return ExprError(); |
| 4122 | if (CheckExceptionSpecCompatibility(From, ToType)) |
| 4123 | return ExprError(); |
| 4124 | |
| 4125 | |
| 4126 | |
| 4127 | if (Context.getTargetInfo().getCXXABI().isMicrosoft()) { |
| 4128 | (void)isCompleteType(From->getExprLoc(), From->getType()); |
| 4129 | (void)isCompleteType(From->getExprLoc(), ToType); |
| 4130 | } |
| 4131 | |
| 4132 | From = ImpCastExprToType(From, ToType, Kind, VK_RValue, &BasePath, CCK) |
| 4133 | .get(); |
| 4134 | break; |
| 4135 | } |
| 4136 | |
| 4137 | case ICK_Boolean_Conversion: |
| 4138 | |
| 4139 | if (From->getType()->isHalfType()) { |
| 4140 | From = ImpCastExprToType(From, Context.FloatTy, CK_FloatingCast).get(); |
| 4141 | FromType = Context.FloatTy; |
| 4142 | } |
| 4143 | |
| 4144 | From = ImpCastExprToType(From, Context.BoolTy, |
| 4145 | ScalarTypeToBooleanCastKind(FromType), |
| 4146 | VK_RValue, , CCK).get(); |
| 4147 | break; |
| 4148 | |
| 4149 | case ICK_Derived_To_Base: { |
| 4150 | CXXCastPath BasePath; |
| 4151 | if (CheckDerivedToBaseConversion( |
| 4152 | From->getType(), ToType.getNonReferenceType(), From->getBeginLoc(), |
| 4153 | From->getSourceRange(), &BasePath, CStyle)) |
| 4154 | return ExprError(); |
| 4155 | |
| 4156 | From = ImpCastExprToType(From, ToType.getNonReferenceType(), |
| 4157 | CK_DerivedToBase, From->getValueKind(), |
| 4158 | &BasePath, CCK).get(); |
| 4159 | break; |
| 4160 | } |
| 4161 | |
| 4162 | case ICK_Vector_Conversion: |
| 4163 | From = ImpCastExprToType(From, ToType, CK_BitCast, |
| 4164 | VK_RValue, , CCK).get(); |
| 4165 | break; |
| 4166 | |
| 4167 | case ICK_Vector_Splat: { |
| 4168 | |
| 4169 | Expr *Elem = prepareVectorSplat(ToType, From).get(); |
| 4170 | From = ImpCastExprToType(Elem, ToType, CK_VectorSplat, VK_RValue, |
| 4171 | , CCK).get(); |
| 4172 | break; |
| 4173 | } |
| 4174 | |
| 4175 | case ICK_Complex_Real: |
| 4176 | |
| 4177 | if (const ComplexType *ToComplex = ToType->getAs<ComplexType>()) { |
| 4178 | QualType ElType = ToComplex->getElementType(); |
| 4179 | bool isFloatingComplex = ElType->isRealFloatingType(); |
| 4180 | |
| 4181 | |
| 4182 | if (Context.hasSameUnqualifiedType(ElType, From->getType())) { |
| 4183 | |
| 4184 | } else if (From->getType()->isRealFloatingType()) { |
| 4185 | From = ImpCastExprToType(From, ElType, |
| 4186 | isFloatingComplex ? CK_FloatingCast : CK_FloatingToIntegral).get(); |
| 4187 | } else { |
| 4188 | getType()->isIntegerType()", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4188, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(From->getType()->isIntegerType()); |
| 4189 | From = ImpCastExprToType(From, ElType, |
| 4190 | isFloatingComplex ? CK_IntegralToFloating : CK_IntegralCast).get(); |
| 4191 | } |
| 4192 | |
| 4193 | From = ImpCastExprToType(From, ToType, |
| 4194 | isFloatingComplex ? CK_FloatingRealToComplex |
| 4195 | : CK_IntegralRealToComplex).get(); |
| 4196 | |
| 4197 | |
| 4198 | } else { |
| 4199 | const ComplexType *FromComplex = From->getType()->getAs<ComplexType>(); |
| 4200 | assert(FromComplex); |
| 4201 | |
| 4202 | QualType ElType = FromComplex->getElementType(); |
| 4203 | bool isFloatingComplex = ElType->isRealFloatingType(); |
| 4204 | |
| 4205 | |
| 4206 | From = ImpCastExprToType(From, ElType, |
| 4207 | isFloatingComplex ? CK_FloatingComplexToReal |
| 4208 | : CK_IntegralComplexToReal, |
| 4209 | VK_RValue, , CCK).get(); |
| 4210 | |
| 4211 | |
| 4212 | if (Context.hasSameUnqualifiedType(ElType, ToType)) { |
| 4213 | |
| 4214 | } else if (ToType->isRealFloatingType()) { |
| 4215 | From = ImpCastExprToType(From, ToType, |
| 4216 | isFloatingComplex ? CK_FloatingCast : CK_IntegralToFloating, |
| 4217 | VK_RValue, , CCK).get(); |
| 4218 | } else { |
| 4219 | isIntegerType()", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4219, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ToType->isIntegerType()); |
| 4220 | From = ImpCastExprToType(From, ToType, |
| 4221 | isFloatingComplex ? CK_FloatingToIntegral : CK_IntegralCast, |
| 4222 | VK_RValue, , CCK).get(); |
| 4223 | } |
| 4224 | } |
| 4225 | break; |
| 4226 | |
| 4227 | case ICK_Block_Pointer_Conversion: { |
| 4228 | From = ImpCastExprToType(From, ToType.getUnqualifiedType(), CK_BitCast, |
| 4229 | VK_RValue, , CCK).get(); |
| 4230 | break; |
| 4231 | } |
| 4232 | |
| 4233 | case ICK_TransparentUnionConversion: { |
| 4234 | ExprResult FromRes = From; |
| 4235 | Sema::AssignConvertType ConvTy = |
| 4236 | CheckTransparentUnionArgumentConstraints(ToType, FromRes); |
| 4237 | if (FromRes.isInvalid()) |
| 4238 | return ExprError(); |
| 4239 | From = FromRes.get(); |
| 4240 | (0) . __assert_fail ("(ConvTy == Sema..Compatible) && \"Improper transparent union conversion\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4241, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert ((ConvTy == Sema::Compatible) && |
| 4241 | (0) . __assert_fail ("(ConvTy == Sema..Compatible) && \"Improper transparent union conversion\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4241, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Improper transparent union conversion"); |
| 4242 | (void)ConvTy; |
| 4243 | break; |
| 4244 | } |
| 4245 | |
| 4246 | case ICK_Zero_Event_Conversion: |
| 4247 | case ICK_Zero_Queue_Conversion: |
| 4248 | From = ImpCastExprToType(From, ToType, |
| 4249 | CK_ZeroToOCLOpaqueType, |
| 4250 | From->getValueKind()).get(); |
| 4251 | break; |
| 4252 | |
| 4253 | case ICK_Lvalue_To_Rvalue: |
| 4254 | case ICK_Array_To_Pointer: |
| 4255 | case ICK_Function_To_Pointer: |
| 4256 | case ICK_Function_Conversion: |
| 4257 | case ICK_Qualification: |
| 4258 | case ICK_Num_Conversion_Kinds: |
| 4259 | case ICK_C_Only_Conversion: |
| 4260 | case ICK_Incompatible_Pointer_Conversion: |
| 4261 | llvm_unreachable("Improper second standard conversion"); |
| 4262 | } |
| 4263 | |
| 4264 | switch (SCS.Third) { |
| 4265 | case ICK_Identity: |
| 4266 | |
| 4267 | break; |
| 4268 | |
| 4269 | case ICK_Function_Conversion: |
| 4270 | |
| 4271 | |
| 4272 | if (CheckExceptionSpecCompatibility(From, ToType)) |
| 4273 | return ExprError(); |
| 4274 | |
| 4275 | From = ImpCastExprToType(From, ToType, CK_NoOp, |
| 4276 | VK_RValue, , CCK).get(); |
| 4277 | break; |
| 4278 | |
| 4279 | case ICK_Qualification: { |
| 4280 | |
| 4281 | |
| 4282 | ExprValueKind VK = |
| 4283 | ToType->isReferenceType() ? From->getValueKind() : VK_RValue; |
| 4284 | |
| 4285 | CastKind CK = CK_NoOp; |
| 4286 | |
| 4287 | if (ToType->isReferenceType() && |
| 4288 | ToType->getPointeeType().getAddressSpace() != |
| 4289 | From->getType().getAddressSpace()) |
| 4290 | CK = CK_AddressSpaceConversion; |
| 4291 | |
| 4292 | if (ToType->isPointerType() && |
| 4293 | ToType->getPointeeType().getAddressSpace() != |
| 4294 | From->getType()->getPointeeType().getAddressSpace()) |
| 4295 | CK = CK_AddressSpaceConversion; |
| 4296 | |
| 4297 | From = ImpCastExprToType(From, ToType.getNonLValueExprType(Context), CK, VK, |
| 4298 | , CCK) |
| 4299 | .get(); |
| 4300 | |
| 4301 | if (SCS.DeprecatedStringLiteralToCharPtr && |
| 4302 | !getLangOpts().WritableStrings) { |
| 4303 | Diag(From->getBeginLoc(), |
| 4304 | getLangOpts().CPlusPlus11 |
| 4305 | ? diag::ext_deprecated_string_literal_conversion |
| 4306 | : diag::warn_deprecated_string_literal_conversion) |
| 4307 | << ToType.getNonReferenceType(); |
| 4308 | } |
| 4309 | |
| 4310 | break; |
| 4311 | } |
| 4312 | |
| 4313 | default: |
| 4314 | llvm_unreachable("Improper third standard conversion"); |
| 4315 | } |
| 4316 | |
| 4317 | |
| 4318 | |
| 4319 | if (!ToAtomicType.isNull()) { |
| 4320 | castAs()->getValueType(), From->getType())", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4321, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Context.hasSameType( |
| 4321 | castAs()->getValueType(), From->getType())", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4321, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> ToAtomicType->castAs<AtomicType>()->getValueType(), From->getType())); |
| 4322 | From = ImpCastExprToType(From, ToAtomicType, CK_NonAtomicToAtomic, |
| 4323 | VK_RValue, nullptr, CCK).get(); |
| 4324 | } |
| 4325 | |
| 4326 | |
| 4327 | |
| 4328 | if (!isCast(CCK)) |
| 4329 | diagnoseNullableToNonnullConversion(ToType, InitialFromType, |
| 4330 | From->getBeginLoc()); |
| 4331 | |
| 4332 | return From; |
| 4333 | } |
| 4334 | |
| 4335 | |
| 4336 | |
| 4337 | |
| 4338 | |
| 4339 | |
| 4340 | |
| 4341 | static bool CheckUnaryTypeTraitTypeCompleteness(Sema &S, TypeTrait UTT, |
| 4342 | SourceLocation Loc, |
| 4343 | QualType ArgTy) { |
| 4344 | |
| 4345 | |
| 4346 | |
| 4347 | |
| 4348 | |
| 4349 | |
| 4350 | |
| 4351 | |
| 4352 | |
| 4353 | switch (UTT) { |
| 4354 | default: llvm_unreachable("not a UTT"); |
| 4355 | |
| 4356 | case UTT_IsCompleteType: |
| 4357 | |
| 4358 | |
| 4359 | |
| 4360 | |
| 4361 | |
| 4362 | |
| 4363 | case UTT_IsVoid: |
| 4364 | case UTT_IsIntegral: |
| 4365 | case UTT_IsFloatingPoint: |
| 4366 | case UTT_IsArray: |
| 4367 | case UTT_IsPointer: |
| 4368 | case UTT_IsLvalueReference: |
| 4369 | case UTT_IsRvalueReference: |
| 4370 | case UTT_IsMemberFunctionPointer: |
| 4371 | case UTT_IsMemberObjectPointer: |
| 4372 | case UTT_IsEnum: |
| 4373 | case UTT_IsUnion: |
| 4374 | case UTT_IsClass: |
| 4375 | case UTT_IsFunction: |
| 4376 | case UTT_IsReference: |
| 4377 | case UTT_IsArithmetic: |
| 4378 | case UTT_IsFundamental: |
| 4379 | case UTT_IsObject: |
| 4380 | case UTT_IsScalar: |
| 4381 | case UTT_IsCompound: |
| 4382 | case UTT_IsMemberPointer: |
| 4383 | |
| 4384 | |
| 4385 | |
| 4386 | |
| 4387 | |
| 4388 | |
| 4389 | |
| 4390 | case UTT_IsConst: |
| 4391 | case UTT_IsVolatile: |
| 4392 | case UTT_IsSigned: |
| 4393 | case UTT_IsUnsigned: |
| 4394 | |
| 4395 | |
| 4396 | case UTT_IsInterfaceClass: |
| 4397 | return true; |
| 4398 | |
| 4399 | |
| 4400 | |
| 4401 | case UTT_IsEmpty: |
| 4402 | case UTT_IsPolymorphic: |
| 4403 | case UTT_IsAbstract: |
| 4404 | if (const auto *RD = ArgTy->getAsCXXRecordDecl()) |
| 4405 | if (!RD->isUnion()) |
| 4406 | return !S.RequireCompleteType( |
| 4407 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
| 4408 | return true; |
| 4409 | |
| 4410 | |
| 4411 | |
| 4412 | case UTT_IsFinal: |
| 4413 | case UTT_IsSealed: |
| 4414 | if (ArgTy->getAsCXXRecordDecl()) |
| 4415 | return !S.RequireCompleteType( |
| 4416 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
| 4417 | return true; |
| 4418 | |
| 4419 | |
| 4420 | |
| 4421 | case UTT_IsAggregate: |
| 4422 | case UTT_IsTrivial: |
| 4423 | case UTT_IsTriviallyCopyable: |
| 4424 | case UTT_IsStandardLayout: |
| 4425 | case UTT_IsPOD: |
| 4426 | case UTT_IsLiteral: |
| 4427 | |
| 4428 | |
| 4429 | |
| 4430 | case UTT_HasNothrowAssign: |
| 4431 | case UTT_HasNothrowMoveAssign: |
| 4432 | case UTT_HasNothrowConstructor: |
| 4433 | case UTT_HasNothrowCopy: |
| 4434 | case UTT_HasTrivialAssign: |
| 4435 | case UTT_HasTrivialMoveAssign: |
| 4436 | case UTT_HasTrivialDefaultConstructor: |
| 4437 | case UTT_HasTrivialMoveConstructor: |
| 4438 | case UTT_HasTrivialCopy: |
| 4439 | case UTT_HasTrivialDestructor: |
| 4440 | case UTT_HasVirtualDestructor: |
| 4441 | ArgTy = QualType(ArgTy->getBaseElementTypeUnsafe(), 0); |
| 4442 | LLVM_FALLTHROUGH; |
| 4443 | |
| 4444 | |
| 4445 | |
| 4446 | case UTT_IsDestructible: |
| 4447 | case UTT_IsNothrowDestructible: |
| 4448 | case UTT_IsTriviallyDestructible: |
| 4449 | case UTT_HasUniqueObjectRepresentations: |
| 4450 | if (ArgTy->isIncompleteArrayType() || ArgTy->isVoidType()) |
| 4451 | return true; |
| 4452 | |
| 4453 | return !S.RequireCompleteType( |
| 4454 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
| 4455 | } |
| 4456 | } |
| 4457 | |
| 4458 | static bool HasNoThrowOperator(const RecordType *RT, OverloadedOperatorKind Op, |
| 4459 | Sema &Self, SourceLocation KeyLoc, ASTContext &C, |
| 4460 | bool (CXXRecordDecl::*HasTrivial)() const, |
| 4461 | bool (CXXRecordDecl::*HasNonTrivial)() const, |
| 4462 | bool (CXXMethodDecl::*IsDesiredOp)() const) |
| 4463 | { |
| 4464 | CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); |
| 4465 | if ((RD->*HasTrivial)() && !(RD->*HasNonTrivial)()) |
| 4466 | return true; |
| 4467 | |
| 4468 | DeclarationName Name = C.DeclarationNames.getCXXOperatorName(Op); |
| 4469 | DeclarationNameInfo NameInfo(Name, KeyLoc); |
| 4470 | LookupResult Res(Self, NameInfo, Sema::LookupOrdinaryName); |
| 4471 | if (Self.LookupQualifiedName(Res, RD)) { |
| 4472 | bool FoundOperator = false; |
| 4473 | Res.suppressDiagnostics(); |
| 4474 | for (LookupResult::iterator Op = Res.begin(), OpEnd = Res.end(); |
| 4475 | Op != OpEnd; ++Op) { |
| 4476 | if (isa<FunctionTemplateDecl>(*Op)) |
| 4477 | continue; |
| 4478 | |
| 4479 | CXXMethodDecl *Operator = cast<CXXMethodDecl>(*Op); |
| 4480 | if((Operator->*IsDesiredOp)()) { |
| 4481 | FoundOperator = true; |
| 4482 | const FunctionProtoType *CPT = |
| 4483 | Operator->getType()->getAs<FunctionProtoType>(); |
| 4484 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
| 4485 | if (!CPT || !CPT->isNothrow()) |
| 4486 | return false; |
| 4487 | } |
| 4488 | } |
| 4489 | return FoundOperator; |
| 4490 | } |
| 4491 | return false; |
| 4492 | } |
| 4493 | |
| 4494 | static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT, |
| 4495 | SourceLocation KeyLoc, QualType T) { |
| 4496 | (0) . __assert_fail ("!T->isDependentType() && \"Cannot evaluate traits of dependent type\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 4496, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!T->isDependentType() && "Cannot evaluate traits of dependent type"); |
| 4497 | |
| 4498 | ASTContext &C = Self.Context; |
| 4499 | switch(UTT) { |
| 4500 | default: llvm_unreachable("not a UTT"); |
| 4501 | |
| 4502 | |
| 4503 | case UTT_IsVoid: |
| 4504 | return T->isVoidType(); |
| 4505 | case UTT_IsIntegral: |
| 4506 | return T->isIntegralType(C); |
| 4507 | case UTT_IsFloatingPoint: |
| 4508 | return T->isFloatingType(); |
| 4509 | case UTT_IsArray: |
| 4510 | return T->isArrayType(); |
| 4511 | case UTT_IsPointer: |
| 4512 | return T->isPointerType(); |
| 4513 | case UTT_IsLvalueReference: |
| 4514 | return T->isLValueReferenceType(); |
| 4515 | case UTT_IsRvalueReference: |
| 4516 | return T->isRValueReferenceType(); |
| 4517 | case UTT_IsMemberFunctionPointer: |
| 4518 | return T->isMemberFunctionPointerType(); |
| 4519 | case UTT_IsMemberObjectPointer: |
| 4520 | return T->isMemberDataPointerType(); |
| 4521 | case UTT_IsEnum: |
| 4522 | return T->isEnumeralType(); |
| 4523 | case UTT_IsUnion: |
| 4524 | return T->isUnionType(); |
| 4525 | case UTT_IsClass: |
| 4526 | return T->isClassType() || T->isStructureType() || T->isInterfaceType(); |
| 4527 | case UTT_IsFunction: |
| 4528 | return T->isFunctionType(); |
| 4529 | |
| 4530 | |
| 4531 | |
| 4532 | case UTT_IsReference: |
| 4533 | return T->isReferenceType(); |
| 4534 | case UTT_IsArithmetic: |
| 4535 | return T->isArithmeticType() && !T->isEnumeralType(); |
| 4536 | case UTT_IsFundamental: |
| 4537 | return T->isFundamentalType(); |
| 4538 | case UTT_IsObject: |
| 4539 | return T->isObjectType(); |
| 4540 | case UTT_IsScalar: |
| 4541 | |
| 4542 | |
| 4543 | |
| 4544 | |
| 4545 | if (T->isObjCLifetimeType()) { |
| 4546 | switch (T.getObjCLifetime()) { |
| 4547 | case Qualifiers::OCL_None: |
| 4548 | case Qualifiers::OCL_ExplicitNone: |
| 4549 | return true; |
| 4550 | |
| 4551 | case Qualifiers::OCL_Strong: |
| 4552 | case Qualifiers::OCL_Weak: |
| 4553 | case Qualifiers::OCL_Autoreleasing: |
| 4554 | return false; |
| 4555 | } |
| 4556 | } |
| 4557 | |
| 4558 | return T->isScalarType(); |
| 4559 | case UTT_IsCompound: |
| 4560 | return T->isCompoundType(); |
| 4561 | case UTT_IsMemberPointer: |
| 4562 | return T->isMemberPointerType(); |
| 4563 | |
| 4564 | |
| 4565 | |
| 4566 | case UTT_IsConst: |
| 4567 | return T.isConstQualified(); |
| 4568 | case UTT_IsVolatile: |
| 4569 | return T.isVolatileQualified(); |
| 4570 | case UTT_IsTrivial: |
| 4571 | return T.isTrivialType(C); |
| 4572 | case UTT_IsTriviallyCopyable: |
| 4573 | return T.isTriviallyCopyableType(C); |
| 4574 | case UTT_IsStandardLayout: |
| 4575 | return T->isStandardLayoutType(); |
| 4576 | case UTT_IsPOD: |
| 4577 | return T.isPODType(C); |
| 4578 | case UTT_IsLiteral: |
| 4579 | return T->isLiteralType(C); |
| 4580 | case UTT_IsEmpty: |
| 4581 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4582 | return !RD->isUnion() && RD->isEmpty(); |
| 4583 | return false; |
| 4584 | case UTT_IsPolymorphic: |
| 4585 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4586 | return !RD->isUnion() && RD->isPolymorphic(); |
| 4587 | return false; |
| 4588 | case UTT_IsAbstract: |
| 4589 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4590 | return !RD->isUnion() && RD->isAbstract(); |
| 4591 | return false; |
| 4592 | case UTT_IsAggregate: |
| 4593 | |
| 4594 | |
| 4595 | |
| 4596 | return T->isAggregateType() || T->isVectorType() || T->isExtVectorType() || |
| 4597 | T->isAnyComplexType(); |
| 4598 | |
| 4599 | |
| 4600 | |
| 4601 | case UTT_IsInterfaceClass: |
| 4602 | return false; |
| 4603 | case UTT_IsFinal: |
| 4604 | case UTT_IsSealed: |
| 4605 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4606 | return RD->hasAttr<FinalAttr>(); |
| 4607 | return false; |
| 4608 | case UTT_IsSigned: |
| 4609 | return T->isSignedIntegerType(); |
| 4610 | case UTT_IsUnsigned: |
| 4611 | return T->isUnsignedIntegerType(); |
| 4612 | |
| 4613 | |
| 4614 | |
| 4615 | |
| 4616 | |
| 4617 | |
| 4618 | |
| 4619 | |
| 4620 | |
| 4621 | |
| 4622 | |
| 4623 | |
| 4624 | |
| 4625 | |
| 4626 | |
| 4627 | |
| 4628 | case UTT_HasTrivialDefaultConstructor: |
| 4629 | |
| 4630 | |
| 4631 | |
| 4632 | |
| 4633 | if (T.isPODType(C)) |
| 4634 | return true; |
| 4635 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
| 4636 | return RD->hasTrivialDefaultConstructor() && |
| 4637 | !RD->hasNonTrivialDefaultConstructor(); |
| 4638 | return false; |
| 4639 | case UTT_HasTrivialMoveConstructor: |
| 4640 | |
| 4641 | |
| 4642 | |
| 4643 | if (T.isPODType(C)) |
| 4644 | return true; |
| 4645 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
| 4646 | return RD->hasTrivialMoveConstructor() && !RD->hasNonTrivialMoveConstructor(); |
| 4647 | return false; |
| 4648 | case UTT_HasTrivialCopy: |
| 4649 | |
| 4650 | |
| 4651 | |
| 4652 | |
| 4653 | |
| 4654 | if (T.isPODType(C) || T->isReferenceType()) |
| 4655 | return true; |
| 4656 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4657 | return RD->hasTrivialCopyConstructor() && |
| 4658 | !RD->hasNonTrivialCopyConstructor(); |
| 4659 | return false; |
| 4660 | case UTT_HasTrivialMoveAssign: |
| 4661 | |
| 4662 | |
| 4663 | |
| 4664 | if (T.isPODType(C)) |
| 4665 | return true; |
| 4666 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
| 4667 | return RD->hasTrivialMoveAssignment() && !RD->hasNonTrivialMoveAssignment(); |
| 4668 | return false; |
| 4669 | case UTT_HasTrivialAssign: |
| 4670 | |
| 4671 | |
| 4672 | |
| 4673 | |
| 4674 | |
| 4675 | |
| 4676 | |
| 4677 | |
| 4678 | |
| 4679 | |
| 4680 | |
| 4681 | |
| 4682 | if (T.isConstQualified()) |
| 4683 | return false; |
| 4684 | if (T.isPODType(C)) |
| 4685 | return true; |
| 4686 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4687 | return RD->hasTrivialCopyAssignment() && |
| 4688 | !RD->hasNonTrivialCopyAssignment(); |
| 4689 | return false; |
| 4690 | case UTT_IsDestructible: |
| 4691 | case UTT_IsTriviallyDestructible: |
| 4692 | case UTT_IsNothrowDestructible: |
| 4693 | |
| 4694 | |
| 4695 | if (T->isReferenceType()) |
| 4696 | return true; |
| 4697 | |
| 4698 | |
| 4699 | if (T->isObjCLifetimeType() && |
| 4700 | T.getObjCLifetime() == Qualifiers::OCL_Autoreleasing) |
| 4701 | return true; |
| 4702 | |
| 4703 | |
| 4704 | |
| 4705 | |
| 4706 | if (T->isIncompleteType() || T->isFunctionType()) |
| 4707 | return false; |
| 4708 | |
| 4709 | |
| 4710 | |
| 4711 | if (UTT == UTT_IsTriviallyDestructible && T.isDestructedType()) |
| 4712 | return false; |
| 4713 | |
| 4714 | |
| 4715 | |
| 4716 | |
| 4717 | |
| 4718 | if (auto *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) { |
| 4719 | CXXDestructorDecl *Destructor = Self.LookupDestructor(RD); |
| 4720 | if (!Destructor) |
| 4721 | return false; |
| 4722 | |
| 4723 | |
| 4724 | |
| 4725 | if (Destructor->isDeleted()) |
| 4726 | return false; |
| 4727 | if (C.getLangOpts().AccessControl && Destructor->getAccess() != AS_public) |
| 4728 | return false; |
| 4729 | if (UTT == UTT_IsNothrowDestructible) { |
| 4730 | const FunctionProtoType *CPT = |
| 4731 | Destructor->getType()->getAs<FunctionProtoType>(); |
| 4732 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
| 4733 | if (!CPT || !CPT->isNothrow()) |
| 4734 | return false; |
| 4735 | } |
| 4736 | } |
| 4737 | return true; |
| 4738 | |
| 4739 | case UTT_HasTrivialDestructor: |
| 4740 | |
| 4741 | |
| 4742 | |
| 4743 | |
| 4744 | |
| 4745 | |
| 4746 | if (T.isPODType(C) || T->isReferenceType()) |
| 4747 | return true; |
| 4748 | |
| 4749 | |
| 4750 | if (T->isObjCLifetimeType() && |
| 4751 | T.getObjCLifetime() == Qualifiers::OCL_Autoreleasing) |
| 4752 | return true; |
| 4753 | |
| 4754 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
| 4755 | return RD->hasTrivialDestructor(); |
| 4756 | return false; |
| 4757 | |
| 4758 | case UTT_HasNothrowAssign: |
| 4759 | |
| 4760 | |
| 4761 | |
| 4762 | |
| 4763 | |
| 4764 | |
| 4765 | |
| 4766 | if (C.getBaseElementType(T).isConstQualified()) |
| 4767 | return false; |
| 4768 | if (T->isReferenceType()) |
| 4769 | return false; |
| 4770 | if (T.isPODType(C) || T->isObjCLifetimeType()) |
| 4771 | return true; |
| 4772 | |
| 4773 | if (const RecordType *RT = T->getAs<RecordType>()) |
| 4774 | return HasNoThrowOperator(RT, OO_Equal, Self, KeyLoc, C, |
| 4775 | &CXXRecordDecl::hasTrivialCopyAssignment, |
| 4776 | &CXXRecordDecl::hasNonTrivialCopyAssignment, |
| 4777 | &CXXMethodDecl::isCopyAssignmentOperator); |
| 4778 | return false; |
| 4779 | case UTT_HasNothrowMoveAssign: |
| 4780 | |
| 4781 | |
| 4782 | |
| 4783 | if (T.isPODType(C)) |
| 4784 | return true; |
| 4785 | |
| 4786 | if (const RecordType *RT = C.getBaseElementType(T)->getAs<RecordType>()) |
| 4787 | return HasNoThrowOperator(RT, OO_Equal, Self, KeyLoc, C, |
| 4788 | &CXXRecordDecl::hasTrivialMoveAssignment, |
| 4789 | &CXXRecordDecl::hasNonTrivialMoveAssignment, |
| 4790 | &CXXMethodDecl::isMoveAssignmentOperator); |
| 4791 | return false; |
| 4792 | case UTT_HasNothrowCopy: |
| 4793 | |
| 4794 | |
| 4795 | |
| 4796 | |
| 4797 | |
| 4798 | if (T.isPODType(C) || T->isReferenceType() || T->isObjCLifetimeType()) |
| 4799 | return true; |
| 4800 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) { |
| 4801 | if (RD->hasTrivialCopyConstructor() && |
| 4802 | !RD->hasNonTrivialCopyConstructor()) |
| 4803 | return true; |
| 4804 | |
| 4805 | bool FoundConstructor = false; |
| 4806 | unsigned FoundTQs; |
| 4807 | for (const auto *ND : Self.LookupConstructors(RD)) { |
| 4808 | |
| 4809 | |
| 4810 | |
| 4811 | if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl())) |
| 4812 | continue; |
| 4813 | |
| 4814 | if (isa<UsingDecl>(ND)) |
| 4815 | continue; |
| 4816 | auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl()); |
| 4817 | if (Constructor->isCopyConstructor(FoundTQs)) { |
| 4818 | FoundConstructor = true; |
| 4819 | const FunctionProtoType *CPT |
| 4820 | = Constructor->getType()->getAs<FunctionProtoType>(); |
| 4821 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
| 4822 | if (!CPT) |
| 4823 | return false; |
| 4824 | |
| 4825 | |
| 4826 | if (!CPT->isNothrow() || CPT->getNumParams() > 1) |
| 4827 | return false; |
| 4828 | } |
| 4829 | } |
| 4830 | |
| 4831 | return FoundConstructor; |
| 4832 | } |
| 4833 | return false; |
| 4834 | case UTT_HasNothrowConstructor: |
| 4835 | |
| 4836 | |
| 4837 | |
| 4838 | |
| 4839 | |
| 4840 | if (T.isPODType(C) || T->isObjCLifetimeType()) |
| 4841 | return true; |
| 4842 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) { |
| 4843 | if (RD->hasTrivialDefaultConstructor() && |
| 4844 | !RD->hasNonTrivialDefaultConstructor()) |
| 4845 | return true; |
| 4846 | |
| 4847 | bool FoundConstructor = false; |
| 4848 | for (const auto *ND : Self.LookupConstructors(RD)) { |
| 4849 | |
| 4850 | if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl())) |
| 4851 | continue; |
| 4852 | |
| 4853 | if (isa<UsingDecl>(ND)) |
| 4854 | continue; |
| 4855 | auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl()); |
| 4856 | if (Constructor->isDefaultConstructor()) { |
| 4857 | FoundConstructor = true; |
| 4858 | const FunctionProtoType *CPT |
| 4859 | = Constructor->getType()->getAs<FunctionProtoType>(); |
| 4860 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
| 4861 | if (!CPT) |
| 4862 | return false; |
| 4863 | |
| 4864 | |
| 4865 | if (!CPT->isNothrow() || CPT->getNumParams() > 0) |
| 4866 | return false; |
| 4867 | } |
| 4868 | } |
| 4869 | return FoundConstructor; |
| 4870 | } |
| 4871 | return false; |
| 4872 | case UTT_HasVirtualDestructor: |
| 4873 | |
| 4874 | |
| 4875 | |
| 4876 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 4877 | if (CXXDestructorDecl *Destructor = Self.LookupDestructor(RD)) |
| 4878 | return Destructor->isVirtual(); |
| 4879 | return false; |
| 4880 | |
| 4881 | |
| 4882 | |
| 4883 | |
| 4884 | case UTT_IsCompleteType: |
| 4885 | |
| 4886 | |
| 4887 | |
| 4888 | return !T->isIncompleteType(); |
| 4889 | case UTT_HasUniqueObjectRepresentations: |
| 4890 | return C.hasUniqueObjectRepresentations(T); |
| 4891 | } |
| 4892 | } |
| 4893 | |
| 4894 | static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, QualType LhsT, |
| 4895 | QualType RhsT, SourceLocation KeyLoc); |
| 4896 | |
| 4897 | static bool evaluateTypeTrait(Sema &S, TypeTrait Kind, SourceLocation KWLoc, |
| 4898 | ArrayRef<TypeSourceInfo *> Args, |
| 4899 | SourceLocation RParenLoc) { |
| 4900 | if (Kind <= UTT_Last) |
| 4901 | return EvaluateUnaryTypeTrait(S, Kind, KWLoc, Args[0]->getType()); |
| 4902 | |
| 4903 | |
| 4904 | |
| 4905 | if (Kind <= BTT_Last && Kind != BTT_ReferenceBindsToTemporary) |
| 4906 | return EvaluateBinaryTypeTrait(S, Kind, Args[0]->getType(), |
| 4907 | Args[1]->getType(), RParenLoc); |
| 4908 | |
| 4909 | switch (Kind) { |
| 4910 | case clang::BTT_ReferenceBindsToTemporary: |
| 4911 | case clang::TT_IsConstructible: |
| 4912 | case clang::TT_IsNothrowConstructible: |
| 4913 | case clang::TT_IsTriviallyConstructible: { |
| 4914 | |
| 4915 | |
| 4916 | |
| 4917 | |
| 4918 | |
| 4919 | |
| 4920 | |
| 4921 | |
| 4922 | |
| 4923 | |
| 4924 | |
| 4925 | |
| 4926 | |
| 4927 | assert(!Args.empty()); |
| 4928 | |
| 4929 | |
| 4930 | |
| 4931 | |
| 4932 | for (const auto *TSI : Args) { |
| 4933 | QualType ArgTy = TSI->getType(); |
| 4934 | if (ArgTy->isVoidType() || ArgTy->isIncompleteArrayType()) |
| 4935 | continue; |
| 4936 | |
| 4937 | if (S.RequireCompleteType(KWLoc, ArgTy, |
| 4938 | diag::err_incomplete_type_used_in_type_trait_expr)) |
| 4939 | return false; |
| 4940 | } |
| 4941 | |
| 4942 | |
| 4943 | QualType T = Args[0]->getType(); |
| 4944 | if (T->isIncompleteType() || T->isFunctionType()) |
| 4945 | return false; |
| 4946 | |
| 4947 | |
| 4948 | CXXRecordDecl *RD = T->getAsCXXRecordDecl(); |
| 4949 | if (RD && RD->isAbstract()) |
| 4950 | return false; |
| 4951 | |
| 4952 | SmallVector<OpaqueValueExpr, 2> OpaqueArgExprs; |
| 4953 | SmallVector<Expr *, 2> ArgExprs; |
| 4954 | ArgExprs.reserve(Args.size() - 1); |
| 4955 | for (unsigned I = 1, N = Args.size(); I != N; ++I) { |
| 4956 | QualType ArgTy = Args[I]->getType(); |
| 4957 | if (ArgTy->isObjectType() || ArgTy->isFunctionType()) |
| 4958 | ArgTy = S.Context.getRValueReferenceType(ArgTy); |
| 4959 | OpaqueArgExprs.push_back( |
| 4960 | OpaqueValueExpr(Args[I]->getTypeLoc().getBeginLoc(), |
| 4961 | ArgTy.getNonLValueExprType(S.Context), |
| 4962 | Expr::getValueKindForType(ArgTy))); |
| 4963 | } |
| 4964 | for (Expr &E : OpaqueArgExprs) |
| 4965 | ArgExprs.push_back(&E); |
| 4966 | |
| 4967 | |
| 4968 | |
| 4969 | EnterExpressionEvaluationContext Unevaluated( |
| 4970 | S, Sema::ExpressionEvaluationContext::Unevaluated); |
| 4971 | Sema::SFINAETrap SFINAE(S, ); |
| 4972 | Sema::ContextRAII TUContext(S, S.Context.getTranslationUnitDecl()); |
| 4973 | InitializedEntity To(InitializedEntity::InitializeTemporary(Args[0])); |
| 4974 | InitializationKind InitKind(InitializationKind::CreateDirect(KWLoc, KWLoc, |
| 4975 | RParenLoc)); |
| 4976 | InitializationSequence Init(S, To, InitKind, ArgExprs); |
| 4977 | if (Init.Failed()) |
| 4978 | return false; |
| 4979 | |
| 4980 | ExprResult Result = Init.Perform(S, To, InitKind, ArgExprs); |
| 4981 | if (Result.isInvalid() || SFINAE.hasErrorOccurred()) |
| 4982 | return false; |
| 4983 | |
| 4984 | if (Kind == clang::TT_IsConstructible) |
| 4985 | return true; |
| 4986 | |
| 4987 | if (Kind == clang::BTT_ReferenceBindsToTemporary) { |
| 4988 | if (!T->isReferenceType()) |
| 4989 | return false; |
| 4990 | |
| 4991 | return !Init.isDirectReferenceBinding(); |
| 4992 | } |
| 4993 | |
| 4994 | if (Kind == clang::TT_IsNothrowConstructible) |
| 4995 | return S.canThrow(Result.get()) == CT_Cannot; |
| 4996 | |
| 4997 | if (Kind == clang::TT_IsTriviallyConstructible) { |
| 4998 | |
| 4999 | |
| 5000 | if (T.getNonReferenceType().hasNonTrivialObjCLifetime()) |
| 5001 | return false; |
| 5002 | |
| 5003 | |
| 5004 | |
| 5005 | return !Result.get()->hasNonTrivialCall(S.Context); |
| 5006 | } |
| 5007 | |
| 5008 | llvm_unreachable("unhandled type trait"); |
| 5009 | return false; |
| 5010 | } |
| 5011 | default: llvm_unreachable("not a TT"); |
| 5012 | } |
| 5013 | |
| 5014 | return false; |
| 5015 | } |
| 5016 | |
| 5017 | ExprResult Sema::BuildTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
| 5018 | ArrayRef<TypeSourceInfo *> Args, |
| 5019 | SourceLocation RParenLoc) { |
| 5020 | QualType ResultType = Context.getLogicalOperationType(); |
| 5021 | |
| 5022 | if (Kind <= UTT_Last && !CheckUnaryTypeTraitTypeCompleteness( |
| 5023 | *this, Kind, KWLoc, Args[0]->getType())) |
| 5024 | return ExprError(); |
| 5025 | |
| 5026 | bool Dependent = false; |
| 5027 | for (unsigned I = 0, N = Args.size(); I != N; ++I) { |
| 5028 | if (Args[I]->getType()->isDependentType()) { |
| 5029 | Dependent = true; |
| 5030 | break; |
| 5031 | } |
| 5032 | } |
| 5033 | |
| 5034 | bool Result = false; |
| 5035 | if (!Dependent) |
| 5036 | Result = evaluateTypeTrait(*this, Kind, KWLoc, Args, RParenLoc); |
| 5037 | |
| 5038 | return TypeTraitExpr::Create(Context, ResultType, KWLoc, Kind, Args, |
| 5039 | RParenLoc, Result); |
| 5040 | } |
| 5041 | |
| 5042 | ExprResult Sema::ActOnTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
| 5043 | ArrayRef<ParsedType> Args, |
| 5044 | SourceLocation RParenLoc) { |
| 5045 | SmallVector<TypeSourceInfo *, 4> ConvertedArgs; |
| 5046 | ConvertedArgs.reserve(Args.size()); |
| 5047 | |
| 5048 | for (unsigned I = 0, N = Args.size(); I != N; ++I) { |
| 5049 | TypeSourceInfo *TInfo; |
| 5050 | QualType T = GetTypeFromParser(Args[I], &TInfo); |
| 5051 | if (!TInfo) |
| 5052 | TInfo = Context.getTrivialTypeSourceInfo(T, KWLoc); |
| 5053 | |
| 5054 | ConvertedArgs.push_back(TInfo); |
| 5055 | } |
| 5056 | |
| 5057 | return BuildTypeTrait(Kind, KWLoc, ConvertedArgs, RParenLoc); |
| 5058 | } |
| 5059 | |
| 5060 | static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, QualType LhsT, |
| 5061 | QualType RhsT, SourceLocation KeyLoc) { |
| 5062 | (0) . __assert_fail ("!LhsT->isDependentType() && !RhsT->isDependentType() && \"Cannot evaluate traits of dependent types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5063, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!LhsT->isDependentType() && !RhsT->isDependentType() && |
| 5063 | (0) . __assert_fail ("!LhsT->isDependentType() && !RhsT->isDependentType() && \"Cannot evaluate traits of dependent types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5063, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Cannot evaluate traits of dependent types"); |
| 5064 | |
| 5065 | switch(BTT) { |
| 5066 | case BTT_IsBaseOf: { |
| 5067 | |
| 5068 | |
| 5069 | |
| 5070 | |
| 5071 | |
| 5072 | const RecordType *lhsRecord = LhsT->getAs<RecordType>(); |
| 5073 | const RecordType *rhsRecord = RhsT->getAs<RecordType>(); |
| 5074 | if (!rhsRecord || !lhsRecord) { |
| 5075 | const ObjCObjectType *LHSObjTy = LhsT->getAs<ObjCObjectType>(); |
| 5076 | const ObjCObjectType *RHSObjTy = RhsT->getAs<ObjCObjectType>(); |
| 5077 | if (!LHSObjTy || !RHSObjTy) |
| 5078 | return false; |
| 5079 | |
| 5080 | ObjCInterfaceDecl *BaseInterface = LHSObjTy->getInterface(); |
| 5081 | ObjCInterfaceDecl *DerivedInterface = RHSObjTy->getInterface(); |
| 5082 | if (!BaseInterface || !DerivedInterface) |
| 5083 | return false; |
| 5084 | |
| 5085 | if (Self.RequireCompleteType( |
| 5086 | KeyLoc, RhsT, diag::err_incomplete_type_used_in_type_trait_expr)) |
| 5087 | return false; |
| 5088 | |
| 5089 | return BaseInterface->isSuperClassOf(DerivedInterface); |
| 5090 | } |
| 5091 | |
| 5092 | assert(Self.Context.hasSameUnqualifiedType(LhsT, RhsT) |
| 5093 | == (lhsRecord == rhsRecord)); |
| 5094 | |
| 5095 | if (lhsRecord == rhsRecord) |
| 5096 | return !lhsRecord->getDecl()->isUnion(); |
| 5097 | |
| 5098 | |
| 5099 | |
| 5100 | |
| 5101 | |
| 5102 | if (Self.RequireCompleteType(KeyLoc, RhsT, |
| 5103 | diag::err_incomplete_type_used_in_type_trait_expr)) |
| 5104 | return false; |
| 5105 | |
| 5106 | return cast<CXXRecordDecl>(rhsRecord->getDecl()) |
| 5107 | ->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->getDecl())); |
| 5108 | } |
| 5109 | case BTT_IsSame: |
| 5110 | return Self.Context.hasSameType(LhsT, RhsT); |
| 5111 | case BTT_TypeCompatible: { |
| 5112 | |
| 5113 | Qualifiers LhsQuals, RhsQuals; |
| 5114 | QualType Lhs = Self.getASTContext().getUnqualifiedArrayType(LhsT, LhsQuals); |
| 5115 | QualType Rhs = Self.getASTContext().getUnqualifiedArrayType(RhsT, RhsQuals); |
| 5116 | return Self.Context.typesAreCompatible(Lhs, Rhs); |
| 5117 | } |
| 5118 | case BTT_IsConvertible: |
| 5119 | case BTT_IsConvertibleTo: { |
| 5120 | |
| 5121 | |
| 5122 | |
| 5123 | |
| 5124 | |
| 5125 | |
| 5126 | |
| 5127 | |
| 5128 | |
| 5129 | |
| 5130 | |
| 5131 | |
| 5132 | |
| 5133 | |
| 5134 | |
| 5135 | |
| 5136 | |
| 5137 | |
| 5138 | |
| 5139 | |
| 5140 | |
| 5141 | |
| 5142 | |
| 5143 | |
| 5144 | |
| 5145 | |
| 5146 | if (RhsT->isFunctionType() || RhsT->isArrayType()) |
| 5147 | return false; |
| 5148 | |
| 5149 | |
| 5150 | if (RhsT->isVoidType()) |
| 5151 | return LhsT->isVoidType(); |
| 5152 | |
| 5153 | |
| 5154 | if (!Self.isCompleteType(KeyLoc, RhsT) || Self.isAbstractType(KeyLoc, RhsT)) |
| 5155 | return false; |
| 5156 | |
| 5157 | |
| 5158 | if (LhsT->isObjectType() || LhsT->isFunctionType()) |
| 5159 | LhsT = Self.Context.getRValueReferenceType(LhsT); |
| 5160 | |
| 5161 | |
| 5162 | InitializedEntity To(InitializedEntity::InitializeTemporary(RhsT)); |
| 5163 | OpaqueValueExpr From(KeyLoc, LhsT.getNonLValueExprType(Self.Context), |
| 5164 | Expr::getValueKindForType(LhsT)); |
| 5165 | Expr *FromPtr = &From; |
| 5166 | InitializationKind Kind(InitializationKind::CreateCopy(KeyLoc, |
| 5167 | SourceLocation())); |
| 5168 | |
| 5169 | |
| 5170 | |
| 5171 | EnterExpressionEvaluationContext Unevaluated( |
| 5172 | Self, Sema::ExpressionEvaluationContext::Unevaluated); |
| 5173 | Sema::SFINAETrap SFINAE(Self, ); |
| 5174 | Sema::ContextRAII TUContext(Self, Self.Context.getTranslationUnitDecl()); |
| 5175 | InitializationSequence Init(Self, To, Kind, FromPtr); |
| 5176 | if (Init.Failed()) |
| 5177 | return false; |
| 5178 | |
| 5179 | ExprResult Result = Init.Perform(Self, To, Kind, FromPtr); |
| 5180 | return !Result.isInvalid() && !SFINAE.hasErrorOccurred(); |
| 5181 | } |
| 5182 | |
| 5183 | case BTT_IsAssignable: |
| 5184 | case BTT_IsNothrowAssignable: |
| 5185 | case BTT_IsTriviallyAssignable: { |
| 5186 | |
| 5187 | |
| 5188 | |
| 5189 | |
| 5190 | |
| 5191 | |
| 5192 | |
| 5193 | |
| 5194 | |
| 5195 | |
| 5196 | |
| 5197 | if (!LhsT->isVoidType() && !LhsT->isIncompleteArrayType() && |
| 5198 | Self.RequireCompleteType(KeyLoc, LhsT, |
| 5199 | diag::err_incomplete_type_used_in_type_trait_expr)) |
| 5200 | return false; |
| 5201 | if (!RhsT->isVoidType() && !RhsT->isIncompleteArrayType() && |
| 5202 | Self.RequireCompleteType(KeyLoc, RhsT, |
| 5203 | diag::err_incomplete_type_used_in_type_trait_expr)) |
| 5204 | return false; |
| 5205 | |
| 5206 | |
| 5207 | if (LhsT->isVoidType() || RhsT->isVoidType()) |
| 5208 | return false; |
| 5209 | |
| 5210 | |
| 5211 | |
| 5212 | if (LhsT->isObjectType() || LhsT->isFunctionType()) |
| 5213 | LhsT = Self.Context.getRValueReferenceType(LhsT); |
| 5214 | if (RhsT->isObjectType() || RhsT->isFunctionType()) |
| 5215 | RhsT = Self.Context.getRValueReferenceType(RhsT); |
| 5216 | OpaqueValueExpr Lhs(KeyLoc, LhsT.getNonLValueExprType(Self.Context), |
| 5217 | Expr::getValueKindForType(LhsT)); |
| 5218 | OpaqueValueExpr Rhs(KeyLoc, RhsT.getNonLValueExprType(Self.Context), |
| 5219 | Expr::getValueKindForType(RhsT)); |
| 5220 | |
| 5221 | |
| 5222 | |
| 5223 | EnterExpressionEvaluationContext Unevaluated( |
| 5224 | Self, Sema::ExpressionEvaluationContext::Unevaluated); |
| 5225 | Sema::SFINAETrap SFINAE(Self, ); |
| 5226 | Sema::ContextRAII TUContext(Self, Self.Context.getTranslationUnitDecl()); |
| 5227 | ExprResult Result = Self.BuildBinOp(, KeyLoc, BO_Assign, &Lhs, |
| 5228 | &Rhs); |
| 5229 | if (Result.isInvalid() || SFINAE.hasErrorOccurred()) |
| 5230 | return false; |
| 5231 | |
| 5232 | if (BTT == BTT_IsAssignable) |
| 5233 | return true; |
| 5234 | |
| 5235 | if (BTT == BTT_IsNothrowAssignable) |
| 5236 | return Self.canThrow(Result.get()) == CT_Cannot; |
| 5237 | |
| 5238 | if (BTT == BTT_IsTriviallyAssignable) { |
| 5239 | |
| 5240 | |
| 5241 | if (LhsT.getNonReferenceType().hasNonTrivialObjCLifetime()) |
| 5242 | return false; |
| 5243 | |
| 5244 | return !Result.get()->hasNonTrivialCall(Self.Context); |
| 5245 | } |
| 5246 | |
| 5247 | llvm_unreachable("unhandled type trait"); |
| 5248 | return false; |
| 5249 | } |
| 5250 | default: llvm_unreachable("not a BTT"); |
| 5251 | } |
| 5252 | llvm_unreachable("Unknown type trait or not implemented"); |
| 5253 | } |
| 5254 | |
| 5255 | ExprResult Sema::ActOnArrayTypeTrait(ArrayTypeTrait ATT, |
| 5256 | SourceLocation KWLoc, |
| 5257 | ParsedType Ty, |
| 5258 | Expr* DimExpr, |
| 5259 | SourceLocation RParen) { |
| 5260 | TypeSourceInfo *TSInfo; |
| 5261 | QualType T = GetTypeFromParser(Ty, &TSInfo); |
| 5262 | if (!TSInfo) |
| 5263 | TSInfo = Context.getTrivialTypeSourceInfo(T); |
| 5264 | |
| 5265 | return BuildArrayTypeTrait(ATT, KWLoc, TSInfo, DimExpr, RParen); |
| 5266 | } |
| 5267 | |
| 5268 | static uint64_t EvaluateArrayTypeTrait(Sema &Self, ArrayTypeTrait ATT, |
| 5269 | QualType T, Expr *DimExpr, |
| 5270 | SourceLocation KeyLoc) { |
| 5271 | (0) . __assert_fail ("!T->isDependentType() && \"Cannot evaluate traits of dependent type\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5271, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!T->isDependentType() && "Cannot evaluate traits of dependent type"); |
| 5272 | |
| 5273 | switch(ATT) { |
| 5274 | case ATT_ArrayRank: |
| 5275 | if (T->isArrayType()) { |
| 5276 | unsigned Dim = 0; |
| 5277 | while (const ArrayType *AT = Self.Context.getAsArrayType(T)) { |
| 5278 | ++Dim; |
| 5279 | T = AT->getElementType(); |
| 5280 | } |
| 5281 | return Dim; |
| 5282 | } |
| 5283 | return 0; |
| 5284 | |
| 5285 | case ATT_ArrayExtent: { |
| 5286 | llvm::APSInt Value; |
| 5287 | uint64_t Dim; |
| 5288 | if (Self.VerifyIntegerConstantExpression(DimExpr, &Value, |
| 5289 | diag::err_dimension_expr_not_constant_integer, |
| 5290 | false).isInvalid()) |
| 5291 | return 0; |
| 5292 | if (Value.isSigned() && Value.isNegative()) { |
| 5293 | Self.Diag(KeyLoc, diag::err_dimension_expr_not_constant_integer) |
| 5294 | << DimExpr->getSourceRange(); |
| 5295 | return 0; |
| 5296 | } |
| 5297 | Dim = Value.getLimitedValue(); |
| 5298 | |
| 5299 | if (T->isArrayType()) { |
| 5300 | unsigned D = 0; |
| 5301 | bool Matched = false; |
| 5302 | while (const ArrayType *AT = Self.Context.getAsArrayType(T)) { |
| 5303 | if (Dim == D) { |
| 5304 | Matched = true; |
| 5305 | break; |
| 5306 | } |
| 5307 | ++D; |
| 5308 | T = AT->getElementType(); |
| 5309 | } |
| 5310 | |
| 5311 | if (Matched && T->isArrayType()) { |
| 5312 | if (const ConstantArrayType *CAT = Self.Context.getAsConstantArrayType(T)) |
| 5313 | return CAT->getSize().getLimitedValue(); |
| 5314 | } |
| 5315 | } |
| 5316 | return 0; |
| 5317 | } |
| 5318 | } |
| 5319 | llvm_unreachable("Unknown type trait or not implemented"); |
| 5320 | } |
| 5321 | |
| 5322 | ExprResult Sema::BuildArrayTypeTrait(ArrayTypeTrait ATT, |
| 5323 | SourceLocation KWLoc, |
| 5324 | TypeSourceInfo *TSInfo, |
| 5325 | Expr* DimExpr, |
| 5326 | SourceLocation RParen) { |
| 5327 | QualType T = TSInfo->getType(); |
| 5328 | |
| 5329 | |
| 5330 | |
| 5331 | uint64_t Value = 0; |
| 5332 | if (!T->isDependentType()) |
| 5333 | Value = EvaluateArrayTypeTrait(*this, ATT, T, DimExpr, KWLoc); |
| 5334 | |
| 5335 | |
| 5336 | |
| 5337 | |
| 5338 | |
| 5339 | |
| 5340 | return new (Context) ArrayTypeTraitExpr(KWLoc, ATT, TSInfo, Value, DimExpr, |
| 5341 | RParen, Context.getSizeType()); |
| 5342 | } |
| 5343 | |
| 5344 | ExprResult Sema::ActOnExpressionTrait(ExpressionTrait ET, |
| 5345 | SourceLocation KWLoc, |
| 5346 | Expr *Queried, |
| 5347 | SourceLocation RParen) { |
| 5348 | |
| 5349 | if (!Queried) |
| 5350 | return ExprError(); |
| 5351 | |
| 5352 | ExprResult Result = BuildExpressionTrait(ET, KWLoc, Queried, RParen); |
| 5353 | |
| 5354 | return Result; |
| 5355 | } |
| 5356 | |
| 5357 | static bool EvaluateExpressionTrait(ExpressionTrait ET, Expr *E) { |
| 5358 | switch (ET) { |
| 5359 | case ET_IsLValueExpr: return E->isLValue(); |
| 5360 | case ET_IsRValueExpr: return E->isRValue(); |
| 5361 | } |
| 5362 | llvm_unreachable("Expression trait not covered by switch"); |
| 5363 | } |
| 5364 | |
| 5365 | ExprResult Sema::BuildExpressionTrait(ExpressionTrait ET, |
| 5366 | SourceLocation KWLoc, |
| 5367 | Expr *Queried, |
| 5368 | SourceLocation RParen) { |
| 5369 | if (Queried->isTypeDependent()) { |
| 5370 | |
| 5371 | } else if (Queried->getType()->isPlaceholderType()) { |
| 5372 | ExprResult PE = CheckPlaceholderExpr(Queried); |
| 5373 | if (PE.isInvalid()) return ExprError(); |
| 5374 | return BuildExpressionTrait(ET, KWLoc, PE.get(), RParen); |
| 5375 | } |
| 5376 | |
| 5377 | bool Value = EvaluateExpressionTrait(ET, Queried); |
| 5378 | |
| 5379 | return new (Context) |
| 5380 | ExpressionTraitExpr(KWLoc, ET, Queried, Value, RParen, Context.BoolTy); |
| 5381 | } |
| 5382 | |
| 5383 | QualType Sema::CheckPointerToMemberOperands(ExprResult &LHS, ExprResult &RHS, |
| 5384 | ExprValueKind &VK, |
| 5385 | SourceLocation Loc, |
| 5386 | bool isIndirect) { |
| 5387 | (0) . __assert_fail ("!LHS.get()->getType()->isPlaceholderType() && !RHS.get()->getType()->isPlaceholderType() && \"placeholders should have been weeded out by now\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5389, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!LHS.get()->getType()->isPlaceholderType() && |
| 5388 | (0) . __assert_fail ("!LHS.get()->getType()->isPlaceholderType() && !RHS.get()->getType()->isPlaceholderType() && \"placeholders should have been weeded out by now\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5389, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> !RHS.get()->getType()->isPlaceholderType() && |
| 5389 | (0) . __assert_fail ("!LHS.get()->getType()->isPlaceholderType() && !RHS.get()->getType()->isPlaceholderType() && \"placeholders should have been weeded out by now\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5389, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "placeholders should have been weeded out by now"); |
| 5390 | |
| 5391 | |
| 5392 | |
| 5393 | if (isIndirect) |
| 5394 | LHS = DefaultLvalueConversion(LHS.get()); |
| 5395 | else if (LHS.get()->isRValue()) |
| 5396 | LHS = TemporaryMaterializationConversion(LHS.get()); |
| 5397 | if (LHS.isInvalid()) |
| 5398 | return QualType(); |
| 5399 | |
| 5400 | |
| 5401 | RHS = DefaultLvalueConversion(RHS.get()); |
| 5402 | if (RHS.isInvalid()) return QualType(); |
| 5403 | |
| 5404 | const char *OpSpelling = isIndirect ? "->*" : ".*"; |
| 5405 | |
| 5406 | |
| 5407 | |
| 5408 | |
| 5409 | QualType RHSType = RHS.get()->getType(); |
| 5410 | const MemberPointerType *MemPtr = RHSType->getAs<MemberPointerType>(); |
| 5411 | if (!MemPtr) { |
| 5412 | Diag(Loc, diag::err_bad_memptr_rhs) |
| 5413 | << OpSpelling << RHSType << RHS.get()->getSourceRange(); |
| 5414 | return QualType(); |
| 5415 | } |
| 5416 | |
| 5417 | QualType Class(MemPtr->getClass(), 0); |
| 5418 | |
| 5419 | |
| 5420 | |
| 5421 | |
| 5422 | |
| 5423 | |
| 5424 | |
| 5425 | |
| 5426 | |
| 5427 | |
| 5428 | |
| 5429 | QualType LHSType = LHS.get()->getType(); |
| 5430 | if (isIndirect) { |
| 5431 | if (const PointerType *Ptr = LHSType->getAs<PointerType>()) |
| 5432 | LHSType = Ptr->getPointeeType(); |
| 5433 | else { |
| 5434 | Diag(Loc, diag::err_bad_memptr_lhs) |
| 5435 | << OpSpelling << 1 << LHSType |
| 5436 | << FixItHint::CreateReplacement(SourceRange(Loc), ".*"); |
| 5437 | return QualType(); |
| 5438 | } |
| 5439 | } |
| 5440 | |
| 5441 | if (!Context.hasSameUnqualifiedType(Class, LHSType)) { |
| 5442 | |
| 5443 | if (RequireCompleteType(Loc, LHSType, diag::err_bad_memptr_lhs, |
| 5444 | OpSpelling, (int)isIndirect)) { |
| 5445 | return QualType(); |
| 5446 | } |
| 5447 | |
| 5448 | if (!IsDerivedFrom(Loc, LHSType, Class)) { |
| 5449 | Diag(Loc, diag::err_bad_memptr_lhs) << OpSpelling |
| 5450 | << (int)isIndirect << LHS.get()->getType(); |
| 5451 | return QualType(); |
| 5452 | } |
| 5453 | |
| 5454 | CXXCastPath BasePath; |
| 5455 | if (CheckDerivedToBaseConversion( |
| 5456 | LHSType, Class, Loc, |
| 5457 | SourceRange(LHS.get()->getBeginLoc(), RHS.get()->getEndLoc()), |
| 5458 | &BasePath)) |
| 5459 | return QualType(); |
| 5460 | |
| 5461 | |
| 5462 | QualType UseType = Context.getQualifiedType(Class, LHSType.getQualifiers()); |
| 5463 | if (isIndirect) |
| 5464 | UseType = Context.getPointerType(UseType); |
| 5465 | ExprValueKind VK = isIndirect ? VK_RValue : LHS.get()->getValueKind(); |
| 5466 | LHS = ImpCastExprToType(LHS.get(), UseType, CK_DerivedToBase, VK, |
| 5467 | &BasePath); |
| 5468 | } |
| 5469 | |
| 5470 | if (isa<CXXScalarValueInitExpr>(RHS.get()->IgnoreParens())) { |
| 5471 | |
| 5472 | |
| 5473 | Diag(Loc, diag::err_pointer_to_member_type) << isIndirect; |
| 5474 | return QualType(); |
| 5475 | } |
| 5476 | |
| 5477 | |
| 5478 | |
| 5479 | |
| 5480 | |
| 5481 | |
| 5482 | QualType Result = MemPtr->getPointeeType(); |
| 5483 | Result = Context.getCVRQualifiedType(Result, LHSType.getCVRQualifiers()); |
| 5484 | |
| 5485 | |
| 5486 | |
| 5487 | |
| 5488 | |
| 5489 | |
| 5490 | |
| 5491 | if (const FunctionProtoType *Proto = Result->getAs<FunctionProtoType>()) { |
| 5492 | switch (Proto->getRefQualifier()) { |
| 5493 | case RQ_None: |
| 5494 | |
| 5495 | break; |
| 5496 | |
| 5497 | case RQ_LValue: |
| 5498 | if (!isIndirect && !LHS.get()->Classify(Context).isLValue()) { |
| 5499 | |
| 5500 | |
| 5501 | if (Proto->isConst() && !Proto->isVolatile()) |
| 5502 | Diag(Loc, getLangOpts().CPlusPlus2a |
| 5503 | ? diag::warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue |
| 5504 | : diag::ext_pointer_to_const_ref_member_on_rvalue); |
| 5505 | else |
| 5506 | Diag(Loc, diag::err_pointer_to_member_oper_value_classify) |
| 5507 | << RHSType << 1 << LHS.get()->getSourceRange(); |
| 5508 | } |
| 5509 | break; |
| 5510 | |
| 5511 | case RQ_RValue: |
| 5512 | if (isIndirect || !LHS.get()->Classify(Context).isRValue()) |
| 5513 | Diag(Loc, diag::err_pointer_to_member_oper_value_classify) |
| 5514 | << RHSType << 0 << LHS.get()->getSourceRange(); |
| 5515 | break; |
| 5516 | } |
| 5517 | } |
| 5518 | |
| 5519 | |
| 5520 | |
| 5521 | |
| 5522 | |
| 5523 | |
| 5524 | |
| 5525 | |
| 5526 | if (Result->isFunctionType()) { |
| 5527 | VK = VK_RValue; |
| 5528 | return Context.BoundMemberTy; |
| 5529 | } else if (isIndirect) { |
| 5530 | VK = VK_LValue; |
| 5531 | } else { |
| 5532 | VK = LHS.get()->getValueKind(); |
| 5533 | } |
| 5534 | |
| 5535 | return Result; |
| 5536 | } |
| 5537 | |
| 5538 | |
| 5539 | |
| 5540 | |
| 5541 | |
| 5542 | |
| 5543 | |
| 5544 | |
| 5545 | static bool TryClassUnification(Sema &Self, Expr *From, Expr *To, |
| 5546 | SourceLocation QuestionLoc, |
| 5547 | bool &HaveConversion, |
| 5548 | QualType &ToType) { |
| 5549 | HaveConversion = false; |
| 5550 | ToType = To->getType(); |
| 5551 | |
| 5552 | InitializationKind Kind = |
| 5553 | InitializationKind::CreateCopy(To->getBeginLoc(), SourceLocation()); |
| 5554 | |
| 5555 | |
| 5556 | |
| 5557 | |
| 5558 | |
| 5559 | |
| 5560 | |
| 5561 | |
| 5562 | |
| 5563 | |
| 5564 | |
| 5565 | if (To->isLValue() || To->isXValue()) { |
| 5566 | QualType T = To->isLValue() ? Self.Context.getLValueReferenceType(ToType) |
| 5567 | : Self.Context.getRValueReferenceType(ToType); |
| 5568 | |
| 5569 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(T); |
| 5570 | |
| 5571 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
| 5572 | if (InitSeq.isDirectReferenceBinding()) { |
| 5573 | ToType = T; |
| 5574 | HaveConversion = true; |
| 5575 | return false; |
| 5576 | } |
| 5577 | |
| 5578 | if (InitSeq.isAmbiguous()) |
| 5579 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
| 5580 | } |
| 5581 | |
| 5582 | |
| 5583 | |
| 5584 | |
| 5585 | QualType FTy = From->getType(); |
| 5586 | QualType TTy = To->getType(); |
| 5587 | const RecordType *FRec = FTy->getAs<RecordType>(); |
| 5588 | const RecordType *TRec = TTy->getAs<RecordType>(); |
| 5589 | bool FDerivedFromT = FRec && TRec && FRec != TRec && |
| 5590 | Self.IsDerivedFrom(QuestionLoc, FTy, TTy); |
| 5591 | if (FRec && TRec && (FRec == TRec || FDerivedFromT || |
| 5592 | Self.IsDerivedFrom(QuestionLoc, TTy, FTy))) { |
| 5593 | |
| 5594 | |
| 5595 | |
| 5596 | if (FRec == TRec || FDerivedFromT) { |
| 5597 | if (TTy.isAtLeastAsQualifiedAs(FTy)) { |
| 5598 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TTy); |
| 5599 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
| 5600 | if (InitSeq) { |
| 5601 | HaveConversion = true; |
| 5602 | return false; |
| 5603 | } |
| 5604 | |
| 5605 | if (InitSeq.isAmbiguous()) |
| 5606 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
| 5607 | } |
| 5608 | } |
| 5609 | |
| 5610 | return false; |
| 5611 | } |
| 5612 | |
| 5613 | |
| 5614 | |
| 5615 | |
| 5616 | |
| 5617 | |
| 5618 | |
| 5619 | |
| 5620 | TTy = TTy.getNonLValueExprType(Self.Context); |
| 5621 | |
| 5622 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TTy); |
| 5623 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
| 5624 | HaveConversion = !InitSeq.Failed(); |
| 5625 | ToType = TTy; |
| 5626 | if (InitSeq.isAmbiguous()) |
| 5627 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
| 5628 | |
| 5629 | return false; |
| 5630 | } |
| 5631 | |
| 5632 | |
| 5633 | |
| 5634 | |
| 5635 | |
| 5636 | |
| 5637 | static bool FindConditionalOverload(Sema &Self, ExprResult &LHS, ExprResult &RHS, |
| 5638 | SourceLocation QuestionLoc) { |
| 5639 | Expr *Args[2] = { LHS.get(), RHS.get() }; |
| 5640 | OverloadCandidateSet CandidateSet(QuestionLoc, |
| 5641 | OverloadCandidateSet::CSK_Operator); |
| 5642 | Self.AddBuiltinOperatorCandidates(OO_Conditional, QuestionLoc, Args, |
| 5643 | CandidateSet); |
| 5644 | |
| 5645 | OverloadCandidateSet::iterator Best; |
| 5646 | switch (CandidateSet.BestViableFunction(Self, QuestionLoc, Best)) { |
| 5647 | case OR_Success: { |
| 5648 | |
| 5649 | ExprResult LHSRes = Self.PerformImplicitConversion( |
| 5650 | LHS.get(), Best->BuiltinParamTypes[0], Best->Conversions[0], |
| 5651 | Sema::AA_Converting); |
| 5652 | if (LHSRes.isInvalid()) |
| 5653 | break; |
| 5654 | LHS = LHSRes; |
| 5655 | |
| 5656 | ExprResult RHSRes = Self.PerformImplicitConversion( |
| 5657 | RHS.get(), Best->BuiltinParamTypes[1], Best->Conversions[1], |
| 5658 | Sema::AA_Converting); |
| 5659 | if (RHSRes.isInvalid()) |
| 5660 | break; |
| 5661 | RHS = RHSRes; |
| 5662 | if (Best->Function) |
| 5663 | Self.MarkFunctionReferenced(QuestionLoc, Best->Function); |
| 5664 | return false; |
| 5665 | } |
| 5666 | |
| 5667 | case OR_No_Viable_Function: |
| 5668 | |
| 5669 | |
| 5670 | |
| 5671 | |
| 5672 | if (Self.DiagnoseConditionalForNull(LHS.get(), RHS.get(), QuestionLoc)) |
| 5673 | return true; |
| 5674 | |
| 5675 | Self.Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands) |
| 5676 | << LHS.get()->getType() << RHS.get()->getType() |
| 5677 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5678 | return true; |
| 5679 | |
| 5680 | case OR_Ambiguous: |
| 5681 | Self.Diag(QuestionLoc, diag::err_conditional_ambiguous_ovl) |
| 5682 | << LHS.get()->getType() << RHS.get()->getType() |
| 5683 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5684 | |
| 5685 | |
| 5686 | break; |
| 5687 | |
| 5688 | case OR_Deleted: |
| 5689 | llvm_unreachable("Conditional operator has only built-in overloads"); |
| 5690 | } |
| 5691 | return true; |
| 5692 | } |
| 5693 | |
| 5694 | |
| 5695 | |
| 5696 | static bool ConvertForConditional(Sema &Self, ExprResult &E, QualType T) { |
| 5697 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(T); |
| 5698 | InitializationKind Kind = |
| 5699 | InitializationKind::CreateCopy(E.get()->getBeginLoc(), SourceLocation()); |
| 5700 | Expr *Arg = E.get(); |
| 5701 | InitializationSequence InitSeq(Self, Entity, Kind, Arg); |
| 5702 | ExprResult Result = InitSeq.Perform(Self, Entity, Kind, Arg); |
| 5703 | if (Result.isInvalid()) |
| 5704 | return true; |
| 5705 | |
| 5706 | E = Result; |
| 5707 | return false; |
| 5708 | } |
| 5709 | |
| 5710 | |
| 5711 | |
| 5712 | |
| 5713 | |
| 5714 | QualType Sema::CXXCheckConditionalOperands(ExprResult &Cond, ExprResult &LHS, |
| 5715 | ExprResult &RHS, ExprValueKind &VK, |
| 5716 | ExprObjectKind &OK, |
| 5717 | SourceLocation QuestionLoc) { |
| 5718 | |
| 5719 | |
| 5720 | |
| 5721 | |
| 5722 | |
| 5723 | |
| 5724 | |
| 5725 | |
| 5726 | |
| 5727 | |
| 5728 | |
| 5729 | |
| 5730 | |
| 5731 | |
| 5732 | if (!Cond.get()->isTypeDependent()) { |
| 5733 | ExprResult CondRes = CheckCXXBooleanCondition(Cond.get()); |
| 5734 | if (CondRes.isInvalid()) |
| 5735 | return QualType(); |
| 5736 | Cond = CondRes; |
| 5737 | } |
| 5738 | |
| 5739 | |
| 5740 | VK = VK_RValue; |
| 5741 | OK = OK_Ordinary; |
| 5742 | |
| 5743 | |
| 5744 | if (LHS.get()->isTypeDependent() || RHS.get()->isTypeDependent()) |
| 5745 | return Context.DependentTy; |
| 5746 | |
| 5747 | |
| 5748 | |
| 5749 | QualType LTy = LHS.get()->getType(); |
| 5750 | QualType RTy = RHS.get()->getType(); |
| 5751 | bool LVoid = LTy->isVoidType(); |
| 5752 | bool RVoid = RTy->isVoidType(); |
| 5753 | if (LVoid || RVoid) { |
| 5754 | |
| 5755 | |
| 5756 | |
| 5757 | |
| 5758 | bool LThrow = isa<CXXThrowExpr>(LHS.get()->IgnoreParenImpCasts()); |
| 5759 | bool RThrow = isa<CXXThrowExpr>(RHS.get()->IgnoreParenImpCasts()); |
| 5760 | if (LThrow != RThrow) { |
| 5761 | Expr *NonThrow = LThrow ? RHS.get() : LHS.get(); |
| 5762 | VK = NonThrow->getValueKind(); |
| 5763 | |
| 5764 | |
| 5765 | OK = NonThrow->getObjectKind(); |
| 5766 | return NonThrow->getType(); |
| 5767 | } |
| 5768 | |
| 5769 | |
| 5770 | |
| 5771 | if (LVoid && RVoid) |
| 5772 | return Context.VoidTy; |
| 5773 | |
| 5774 | |
| 5775 | Diag(QuestionLoc, diag::err_conditional_void_nonvoid) |
| 5776 | << (LVoid ? RTy : LTy) << (LVoid ? 0 : 1) |
| 5777 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5778 | return QualType(); |
| 5779 | } |
| 5780 | |
| 5781 | |
| 5782 | |
| 5783 | |
| 5784 | |
| 5785 | |
| 5786 | |
| 5787 | if (!Context.hasSameType(LTy, RTy) && |
| 5788 | (LTy->isRecordType() || RTy->isRecordType())) { |
| 5789 | |
| 5790 | QualType L2RType, R2LType; |
| 5791 | bool HaveL2R, HaveR2L; |
| 5792 | if (TryClassUnification(*this, LHS.get(), RHS.get(), QuestionLoc, HaveL2R, L2RType)) |
| 5793 | return QualType(); |
| 5794 | if (TryClassUnification(*this, RHS.get(), LHS.get(), QuestionLoc, HaveR2L, R2LType)) |
| 5795 | return QualType(); |
| 5796 | |
| 5797 | |
| 5798 | if (HaveL2R && HaveR2L) { |
| 5799 | Diag(QuestionLoc, diag::err_conditional_ambiguous) |
| 5800 | << LTy << RTy << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5801 | return QualType(); |
| 5802 | } |
| 5803 | |
| 5804 | |
| 5805 | |
| 5806 | |
| 5807 | if (HaveL2R) { |
| 5808 | if (ConvertForConditional(*this, LHS, L2RType) || LHS.isInvalid()) |
| 5809 | return QualType(); |
| 5810 | LTy = LHS.get()->getType(); |
| 5811 | } else if (HaveR2L) { |
| 5812 | if (ConvertForConditional(*this, RHS, R2LType) || RHS.isInvalid()) |
| 5813 | return QualType(); |
| 5814 | RTy = RHS.get()->getType(); |
| 5815 | } |
| 5816 | } |
| 5817 | |
| 5818 | |
| 5819 | |
| 5820 | |
| 5821 | |
| 5822 | |
| 5823 | |
| 5824 | |
| 5825 | |
| 5826 | ExprValueKind LVK = LHS.get()->getValueKind(); |
| 5827 | ExprValueKind RVK = RHS.get()->getValueKind(); |
| 5828 | if (!Context.hasSameType(LTy, RTy) && |
| 5829 | LVK == RVK && LVK != VK_RValue) { |
| 5830 | |
| 5831 | |
| 5832 | bool DerivedToBase, ObjCConversion, ObjCLifetimeConversion; |
| 5833 | if (CompareReferenceRelationship( |
| 5834 | QuestionLoc, LTy, RTy, DerivedToBase, |
| 5835 | ObjCConversion, ObjCLifetimeConversion) == Ref_Compatible && |
| 5836 | !DerivedToBase && !ObjCConversion && !ObjCLifetimeConversion && |
| 5837 | |
| 5838 | |
| 5839 | !RHS.get()->refersToBitField() && |
| 5840 | !RHS.get()->refersToVectorElement()) { |
| 5841 | RHS = ImpCastExprToType(RHS.get(), LTy, CK_NoOp, RVK); |
| 5842 | RTy = RHS.get()->getType(); |
| 5843 | } else if (CompareReferenceRelationship( |
| 5844 | QuestionLoc, RTy, LTy, DerivedToBase, |
| 5845 | ObjCConversion, ObjCLifetimeConversion) == Ref_Compatible && |
| 5846 | !DerivedToBase && !ObjCConversion && !ObjCLifetimeConversion && |
| 5847 | !LHS.get()->refersToBitField() && |
| 5848 | !LHS.get()->refersToVectorElement()) { |
| 5849 | LHS = ImpCastExprToType(LHS.get(), RTy, CK_NoOp, LVK); |
| 5850 | LTy = LHS.get()->getType(); |
| 5851 | } |
| 5852 | } |
| 5853 | |
| 5854 | |
| 5855 | |
| 5856 | |
| 5857 | |
| 5858 | |
| 5859 | |
| 5860 | |
| 5861 | bool Same = Context.hasSameType(LTy, RTy); |
| 5862 | if (Same && LVK == RVK && LVK != VK_RValue && |
| 5863 | LHS.get()->isOrdinaryOrBitFieldObject() && |
| 5864 | RHS.get()->isOrdinaryOrBitFieldObject()) { |
| 5865 | VK = LHS.get()->getValueKind(); |
| 5866 | if (LHS.get()->getObjectKind() == OK_BitField || |
| 5867 | RHS.get()->getObjectKind() == OK_BitField) |
| 5868 | OK = OK_BitField; |
| 5869 | |
| 5870 | |
| 5871 | |
| 5872 | if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) { |
| 5873 | Qualifiers Qs = LTy.getQualifiers(); |
| 5874 | LTy = FindCompositePointerType(QuestionLoc, LHS, RHS, |
| 5875 | ); |
| 5876 | LTy = Context.getQualifiedType(LTy, Qs); |
| 5877 | |
| 5878 | (0) . __assert_fail ("!LTy.isNull() && \"failed to find composite pointer type for \" \"canonically equivalent function ptr types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5879, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!LTy.isNull() && "failed to find composite pointer type for " |
| 5879 | (0) . __assert_fail ("!LTy.isNull() && \"failed to find composite pointer type for \" \"canonically equivalent function ptr types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5879, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "canonically equivalent function ptr types"); |
| 5880 | (0) . __assert_fail ("Context.hasSameType(LTy, RTy) && \"bad composite pointer type\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Context.hasSameType(LTy, RTy) && "bad composite pointer type"); |
| 5881 | } |
| 5882 | |
| 5883 | return LTy; |
| 5884 | } |
| 5885 | |
| 5886 | |
| 5887 | |
| 5888 | |
| 5889 | if (!Same && (LTy->isRecordType() || RTy->isRecordType())) { |
| 5890 | |
| 5891 | |
| 5892 | |
| 5893 | if (FindConditionalOverload(*this, LHS, RHS, QuestionLoc)) |
| 5894 | return QualType(); |
| 5895 | } |
| 5896 | |
| 5897 | |
| 5898 | |
| 5899 | |
| 5900 | LHS = DefaultFunctionArrayLvalueConversion(LHS.get()); |
| 5901 | RHS = DefaultFunctionArrayLvalueConversion(RHS.get()); |
| 5902 | if (LHS.isInvalid() || RHS.isInvalid()) |
| 5903 | return QualType(); |
| 5904 | LTy = LHS.get()->getType(); |
| 5905 | RTy = RHS.get()->getType(); |
| 5906 | |
| 5907 | |
| 5908 | |
| 5909 | |
| 5910 | |
| 5911 | |
| 5912 | |
| 5913 | if (Context.getCanonicalType(LTy) == Context.getCanonicalType(RTy)) { |
| 5914 | if (LTy->isRecordType()) { |
| 5915 | |
| 5916 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(LTy); |
| 5917 | |
| 5918 | ExprResult LHSCopy = PerformCopyInitialization(Entity, |
| 5919 | SourceLocation(), |
| 5920 | LHS); |
| 5921 | if (LHSCopy.isInvalid()) |
| 5922 | return QualType(); |
| 5923 | |
| 5924 | ExprResult RHSCopy = PerformCopyInitialization(Entity, |
| 5925 | SourceLocation(), |
| 5926 | RHS); |
| 5927 | if (RHSCopy.isInvalid()) |
| 5928 | return QualType(); |
| 5929 | |
| 5930 | LHS = LHSCopy; |
| 5931 | RHS = RHSCopy; |
| 5932 | } |
| 5933 | |
| 5934 | |
| 5935 | |
| 5936 | if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) { |
| 5937 | LTy = FindCompositePointerType(QuestionLoc, LHS, RHS); |
| 5938 | (0) . __assert_fail ("!LTy.isNull() && \"failed to find composite pointer type for \" \"canonically equivalent function ptr types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5939, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!LTy.isNull() && "failed to find composite pointer type for " |
| 5939 | (0) . __assert_fail ("!LTy.isNull() && \"failed to find composite pointer type for \" \"canonically equivalent function ptr types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 5939, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "canonically equivalent function ptr types"); |
| 5940 | } |
| 5941 | |
| 5942 | return LTy; |
| 5943 | } |
| 5944 | |
| 5945 | |
| 5946 | if (LTy->isVectorType() || RTy->isVectorType()) |
| 5947 | return CheckVectorOperands(LHS, RHS, QuestionLoc, , |
| 5948 | , |
| 5949 | ); |
| 5950 | |
| 5951 | |
| 5952 | |
| 5953 | |
| 5954 | if (LTy->isArithmeticType() && RTy->isArithmeticType()) { |
| 5955 | QualType ResTy = UsualArithmeticConversions(LHS, RHS); |
| 5956 | if (LHS.isInvalid() || RHS.isInvalid()) |
| 5957 | return QualType(); |
| 5958 | if (ResTy.isNull()) { |
| 5959 | Diag(QuestionLoc, |
| 5960 | diag::err_typecheck_cond_incompatible_operands) << LTy << RTy |
| 5961 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5962 | return QualType(); |
| 5963 | } |
| 5964 | |
| 5965 | LHS = ImpCastExprToType(LHS.get(), ResTy, PrepareScalarCast(LHS, ResTy)); |
| 5966 | RHS = ImpCastExprToType(RHS.get(), ResTy, PrepareScalarCast(RHS, ResTy)); |
| 5967 | |
| 5968 | return ResTy; |
| 5969 | } |
| 5970 | |
| 5971 | |
| 5972 | |
| 5973 | |
| 5974 | |
| 5975 | |
| 5976 | |
| 5977 | |
| 5978 | |
| 5979 | |
| 5980 | |
| 5981 | |
| 5982 | |
| 5983 | QualType Composite = FindCompositePointerType(QuestionLoc, LHS, RHS); |
| 5984 | if (!Composite.isNull()) |
| 5985 | return Composite; |
| 5986 | |
| 5987 | |
| 5988 | Composite = FindCompositeObjCPointerType(LHS, RHS, QuestionLoc); |
| 5989 | if (!Composite.isNull()) |
| 5990 | return Composite; |
| 5991 | |
| 5992 | |
| 5993 | if (DiagnoseConditionalForNull(LHS.get(), RHS.get(), QuestionLoc)) |
| 5994 | return QualType(); |
| 5995 | |
| 5996 | Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands) |
| 5997 | << LHS.get()->getType() << RHS.get()->getType() |
| 5998 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
| 5999 | return QualType(); |
| 6000 | } |
| 6001 | |
| 6002 | static FunctionProtoType::ExceptionSpecInfo |
| 6003 | mergeExceptionSpecs(Sema &S, FunctionProtoType::ExceptionSpecInfo ESI1, |
| 6004 | FunctionProtoType::ExceptionSpecInfo ESI2, |
| 6005 | SmallVectorImpl<QualType> &ExceptionTypeStorage) { |
| 6006 | ExceptionSpecificationType EST1 = ESI1.Type; |
| 6007 | ExceptionSpecificationType EST2 = ESI2.Type; |
| 6008 | |
| 6009 | |
| 6010 | if (EST1 == EST_None) return ESI1; |
| 6011 | if (EST2 == EST_None) return ESI2; |
| 6012 | if (EST1 == EST_MSAny) return ESI1; |
| 6013 | if (EST2 == EST_MSAny) return ESI2; |
| 6014 | if (EST1 == EST_NoexceptFalse) return ESI1; |
| 6015 | if (EST2 == EST_NoexceptFalse) return ESI2; |
| 6016 | |
| 6017 | |
| 6018 | if (EST1 == EST_DynamicNone) return ESI2; |
| 6019 | if (EST2 == EST_DynamicNone) return ESI1; |
| 6020 | if (EST1 == EST_BasicNoexcept) return ESI2; |
| 6021 | if (EST2 == EST_BasicNoexcept) return ESI1; |
| 6022 | if (EST1 == EST_NoexceptTrue) return ESI2; |
| 6023 | if (EST2 == EST_NoexceptTrue) return ESI1; |
| 6024 | |
| 6025 | |
| 6026 | |
| 6027 | |
| 6028 | |
| 6029 | |
| 6030 | if (EST1 == EST_DependentNoexcept || EST2 == EST_DependentNoexcept) { |
| 6031 | (0) . __assert_fail ("!S.getLangOpts().CPlusPlus17 && \"computing composite pointer type of dependent types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6032, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!S.getLangOpts().CPlusPlus17 && |
| 6032 | (0) . __assert_fail ("!S.getLangOpts().CPlusPlus17 && \"computing composite pointer type of dependent types\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6032, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "computing composite pointer type of dependent types"); |
| 6033 | return FunctionProtoType::ExceptionSpecInfo(); |
| 6034 | } |
| 6035 | |
| 6036 | |
| 6037 | |
| 6038 | switch (EST1) { |
| 6039 | case EST_None: |
| 6040 | case EST_DynamicNone: |
| 6041 | case EST_MSAny: |
| 6042 | case EST_BasicNoexcept: |
| 6043 | case EST_DependentNoexcept: |
| 6044 | case EST_NoexceptFalse: |
| 6045 | case EST_NoexceptTrue: |
| 6046 | llvm_unreachable("handled above"); |
| 6047 | |
| 6048 | case EST_Dynamic: { |
| 6049 | |
| 6050 | |
| 6051 | (0) . __assert_fail ("EST2 == EST_Dynamic && \"other cases should already be handled\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6051, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(EST2 == EST_Dynamic && "other cases should already be handled"); |
| 6052 | llvm::SmallPtrSet<QualType, 8> Found; |
| 6053 | for (auto &Exceptions : {ESI1.Exceptions, ESI2.Exceptions}) |
| 6054 | for (QualType E : Exceptions) |
| 6055 | if (Found.insert(S.Context.getCanonicalType(E)).second) |
| 6056 | ExceptionTypeStorage.push_back(E); |
| 6057 | |
| 6058 | FunctionProtoType::ExceptionSpecInfo Result(EST_Dynamic); |
| 6059 | Result.Exceptions = ExceptionTypeStorage; |
| 6060 | return Result; |
| 6061 | } |
| 6062 | |
| 6063 | case EST_Unevaluated: |
| 6064 | case EST_Uninstantiated: |
| 6065 | case EST_Unparsed: |
| 6066 | llvm_unreachable("shouldn't see unresolved exception specifications here"); |
| 6067 | } |
| 6068 | |
| 6069 | llvm_unreachable("invalid ExceptionSpecificationType"); |
| 6070 | } |
| 6071 | |
| 6072 | |
| 6073 | |
| 6074 | |
| 6075 | |
| 6076 | |
| 6077 | |
| 6078 | |
| 6079 | |
| 6080 | |
| 6081 | |
| 6082 | |
| 6083 | QualType Sema::FindCompositePointerType(SourceLocation Loc, |
| 6084 | Expr *&E1, Expr *&E2, |
| 6085 | bool ConvertArgs) { |
| 6086 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"This function assumes C++\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6086, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getLangOpts().CPlusPlus && "This function assumes C++"); |
| 6087 | |
| 6088 | |
| 6089 | |
| 6090 | |
| 6091 | QualType T1 = E1->getType(), T2 = E2->getType(); |
| 6092 | |
| 6093 | |
| 6094 | |
| 6095 | bool T1IsPointerLike = T1->isAnyPointerType() || T1->isMemberPointerType() || |
| 6096 | T1->isNullPtrType(); |
| 6097 | bool T2IsPointerLike = T2->isAnyPointerType() || T2->isMemberPointerType() || |
| 6098 | T2->isNullPtrType(); |
| 6099 | if (!T1IsPointerLike && !T2IsPointerLike) |
| 6100 | return QualType(); |
| 6101 | |
| 6102 | |
| 6103 | |
| 6104 | |
| 6105 | |
| 6106 | |
| 6107 | if (T1IsPointerLike && |
| 6108 | E2->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
| 6109 | if (ConvertArgs) |
| 6110 | E2 = ImpCastExprToType(E2, T1, T1->isMemberPointerType() |
| 6111 | ? CK_NullToMemberPointer |
| 6112 | : CK_NullToPointer).get(); |
| 6113 | return T1; |
| 6114 | } |
| 6115 | if (T2IsPointerLike && |
| 6116 | E1->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
| 6117 | if (ConvertArgs) |
| 6118 | E1 = ImpCastExprToType(E1, T2, T2->isMemberPointerType() |
| 6119 | ? CK_NullToMemberPointer |
| 6120 | : CK_NullToPointer).get(); |
| 6121 | return T2; |
| 6122 | } |
| 6123 | |
| 6124 | |
| 6125 | if (!T1IsPointerLike || !T2IsPointerLike) |
| 6126 | return QualType(); |
| 6127 | (0) . __assert_fail ("!T1->isNullPtrType() && !T2->isNullPtrType() && \"nullptr_t should be a null pointer constant\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6128, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!T1->isNullPtrType() && !T2->isNullPtrType() && |
| 6128 | (0) . __assert_fail ("!T1->isNullPtrType() && !T2->isNullPtrType() && \"nullptr_t should be a null pointer constant\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6128, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "nullptr_t should be a null pointer constant"); |
| 6129 | |
| 6130 | |
| 6131 | |
| 6132 | |
| 6133 | |
| 6134 | |
| 6135 | |
| 6136 | |
| 6137 | |
| 6138 | |
| 6139 | |
| 6140 | |
| 6141 | |
| 6142 | |
| 6143 | |
| 6144 | |
| 6145 | |
| 6146 | |
| 6147 | |
| 6148 | |
| 6149 | |
| 6150 | |
| 6151 | |
| 6152 | |
| 6153 | |
| 6154 | |
| 6155 | |
| 6156 | |
| 6157 | |
| 6158 | |
| 6159 | |
| 6160 | |
| 6161 | |
| 6162 | |
| 6163 | |
| 6164 | SmallVector<unsigned, 4> QualifierUnion; |
| 6165 | SmallVector<std::pair<const Type *, const Type *>, 4> MemberOfClass; |
| 6166 | QualType Composite1 = T1; |
| 6167 | QualType Composite2 = T2; |
| 6168 | unsigned NeedConstBefore = 0; |
| 6169 | while (true) { |
| 6170 | const PointerType *Ptr1, *Ptr2; |
| 6171 | if ((Ptr1 = Composite1->getAs<PointerType>()) && |
| 6172 | (Ptr2 = Composite2->getAs<PointerType>())) { |
| 6173 | Composite1 = Ptr1->getPointeeType(); |
| 6174 | Composite2 = Ptr2->getPointeeType(); |
| 6175 | |
| 6176 | |
| 6177 | |
| 6178 | if (Composite1.getCVRQualifiers() != Composite2.getCVRQualifiers()) |
| 6179 | NeedConstBefore = QualifierUnion.size(); |
| 6180 | |
| 6181 | QualifierUnion.push_back( |
| 6182 | Composite1.getCVRQualifiers() | Composite2.getCVRQualifiers()); |
| 6183 | MemberOfClass.push_back(std::make_pair(nullptr, nullptr)); |
| 6184 | continue; |
| 6185 | } |
| 6186 | |
| 6187 | const MemberPointerType *MemPtr1, *MemPtr2; |
| 6188 | if ((MemPtr1 = Composite1->getAs<MemberPointerType>()) && |
| 6189 | (MemPtr2 = Composite2->getAs<MemberPointerType>())) { |
| 6190 | Composite1 = MemPtr1->getPointeeType(); |
| 6191 | Composite2 = MemPtr2->getPointeeType(); |
| 6192 | |
| 6193 | |
| 6194 | |
| 6195 | if (Composite1.getCVRQualifiers() != Composite2.getCVRQualifiers()) |
| 6196 | NeedConstBefore = QualifierUnion.size(); |
| 6197 | |
| 6198 | QualifierUnion.push_back( |
| 6199 | Composite1.getCVRQualifiers() | Composite2.getCVRQualifiers()); |
| 6200 | MemberOfClass.push_back(std::make_pair(MemPtr1->getClass(), |
| 6201 | MemPtr2->getClass())); |
| 6202 | continue; |
| 6203 | } |
| 6204 | |
| 6205 | |
| 6206 | |
| 6207 | |
| 6208 | break; |
| 6209 | } |
| 6210 | |
| 6211 | |
| 6212 | |
| 6213 | |
| 6214 | |
| 6215 | |
| 6216 | |
| 6217 | |
| 6218 | |
| 6219 | |
| 6220 | if (QualifierUnion.size() == 1) { |
| 6221 | if (auto *FPT1 = Composite1->getAs<FunctionProtoType>()) { |
| 6222 | if (auto *FPT2 = Composite2->getAs<FunctionProtoType>()) { |
| 6223 | FunctionProtoType::ExtProtoInfo EPI1 = FPT1->getExtProtoInfo(); |
| 6224 | FunctionProtoType::ExtProtoInfo EPI2 = FPT2->getExtProtoInfo(); |
| 6225 | |
| 6226 | |
| 6227 | bool Noreturn = |
| 6228 | EPI1.ExtInfo.getNoReturn() && EPI2.ExtInfo.getNoReturn(); |
| 6229 | EPI1.ExtInfo = EPI1.ExtInfo.withNoReturn(Noreturn); |
| 6230 | EPI2.ExtInfo = EPI2.ExtInfo.withNoReturn(Noreturn); |
| 6231 | |
| 6232 | |
| 6233 | SmallVector<QualType, 8> ExceptionTypeStorage; |
| 6234 | EPI1.ExceptionSpec = EPI2.ExceptionSpec = |
| 6235 | mergeExceptionSpecs(*this, EPI1.ExceptionSpec, EPI2.ExceptionSpec, |
| 6236 | ExceptionTypeStorage); |
| 6237 | |
| 6238 | Composite1 = Context.getFunctionType(FPT1->getReturnType(), |
| 6239 | FPT1->getParamTypes(), EPI1); |
| 6240 | Composite2 = Context.getFunctionType(FPT2->getReturnType(), |
| 6241 | FPT2->getParamTypes(), EPI2); |
| 6242 | } |
| 6243 | } |
| 6244 | } |
| 6245 | |
| 6246 | if (NeedConstBefore) { |
| 6247 | |
| 6248 | |
| 6249 | |
| 6250 | for (unsigned I = 0; I != NeedConstBefore; ++I) |
| 6251 | if ((QualifierUnion[I] & Qualifiers::Const) == 0) |
| 6252 | QualifierUnion[I] = QualifierUnion[I] | Qualifiers::Const; |
| 6253 | } |
| 6254 | |
| 6255 | |
| 6256 | auto MOC = MemberOfClass.rbegin(); |
| 6257 | for (unsigned CVR : llvm::reverse(QualifierUnion)) { |
| 6258 | Qualifiers Quals = Qualifiers::fromCVRMask(CVR); |
| 6259 | auto Classes = *MOC++; |
| 6260 | if (Classes.first && Classes.second) { |
| 6261 | |
| 6262 | Composite1 = Context.getMemberPointerType( |
| 6263 | Context.getQualifiedType(Composite1, Quals), Classes.first); |
| 6264 | Composite2 = Context.getMemberPointerType( |
| 6265 | Context.getQualifiedType(Composite2, Quals), Classes.second); |
| 6266 | } else { |
| 6267 | |
| 6268 | Composite1 = |
| 6269 | Context.getPointerType(Context.getQualifiedType(Composite1, Quals)); |
| 6270 | Composite2 = |
| 6271 | Context.getPointerType(Context.getQualifiedType(Composite2, Quals)); |
| 6272 | } |
| 6273 | } |
| 6274 | |
| 6275 | struct Conversion { |
| 6276 | Sema &S; |
| 6277 | Expr *&E1, *&E2; |
| 6278 | QualType Composite; |
| 6279 | InitializedEntity Entity; |
| 6280 | InitializationKind Kind; |
| 6281 | InitializationSequence E1ToC, E2ToC; |
| 6282 | bool Viable; |
| 6283 | |
| 6284 | Conversion(Sema &S, SourceLocation Loc, Expr *&E1, Expr *&E2, |
| 6285 | QualType Composite) |
| 6286 | : S(S), E1(E1), E2(E2), Composite(Composite), |
| 6287 | Entity(InitializedEntity::InitializeTemporary(Composite)), |
| 6288 | Kind(InitializationKind::CreateCopy(Loc, SourceLocation())), |
| 6289 | E1ToC(S, Entity, Kind, E1), E2ToC(S, Entity, Kind, E2), |
| 6290 | Viable(E1ToC && E2ToC) {} |
| 6291 | |
| 6292 | bool perform() { |
| 6293 | ExprResult E1Result = E1ToC.Perform(S, Entity, Kind, E1); |
| 6294 | if (E1Result.isInvalid()) |
| 6295 | return true; |
| 6296 | E1 = E1Result.getAs<Expr>(); |
| 6297 | |
| 6298 | ExprResult E2Result = E2ToC.Perform(S, Entity, Kind, E2); |
| 6299 | if (E2Result.isInvalid()) |
| 6300 | return true; |
| 6301 | E2 = E2Result.getAs<Expr>(); |
| 6302 | |
| 6303 | return false; |
| 6304 | } |
| 6305 | }; |
| 6306 | |
| 6307 | |
| 6308 | Conversion C1(*this, Loc, E1, E2, Composite1); |
| 6309 | if (C1.Viable && Context.hasSameType(Composite1, Composite2)) { |
| 6310 | if (ConvertArgs && C1.perform()) |
| 6311 | return QualType(); |
| 6312 | return C1.Composite; |
| 6313 | } |
| 6314 | Conversion C2(*this, Loc, E1, E2, Composite2); |
| 6315 | |
| 6316 | if (C1.Viable == C2.Viable) { |
| 6317 | |
| 6318 | |
| 6319 | |
| 6320 | return QualType(); |
| 6321 | } |
| 6322 | |
| 6323 | |
| 6324 | if (ConvertArgs && (C1.Viable ? C1 : C2).perform()) |
| 6325 | return QualType(); |
| 6326 | |
| 6327 | return C1.Viable ? C1.Composite : C2.Composite; |
| 6328 | } |
| 6329 | |
| 6330 | ExprResult Sema::MaybeBindToTemporary(Expr *E) { |
| 6331 | if (!E) |
| 6332 | return ExprError(); |
| 6333 | |
| 6334 | (0) . __assert_fail ("!isa(E) && \"Double-bound temporary?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6334, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!isa<CXXBindTemporaryExpr>(E) && "Double-bound temporary?"); |
| 6335 | |
| 6336 | |
| 6337 | if (!E->isRValue()) |
| 6338 | return E; |
| 6339 | |
| 6340 | |
| 6341 | |
| 6342 | if (getLangOpts().ObjCAutoRefCount && |
| 6343 | E->getType()->isObjCRetainableType()) { |
| 6344 | |
| 6345 | bool ReturnsRetained; |
| 6346 | |
| 6347 | |
| 6348 | |
| 6349 | if (CallExpr *Call = dyn_cast<CallExpr>(E)) { |
| 6350 | Expr *Callee = Call->getCallee()->IgnoreParens(); |
| 6351 | QualType T = Callee->getType(); |
| 6352 | |
| 6353 | if (T == Context.BoundMemberTy) { |
| 6354 | |
| 6355 | if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(Callee)) |
| 6356 | T = BinOp->getRHS()->getType(); |
| 6357 | else if (MemberExpr *Mem = dyn_cast<MemberExpr>(Callee)) |
| 6358 | T = Mem->getMemberDecl()->getType(); |
| 6359 | } |
| 6360 | |
| 6361 | if (const PointerType *Ptr = T->getAs<PointerType>()) |
| 6362 | T = Ptr->getPointeeType(); |
| 6363 | else if (const BlockPointerType *Ptr = T->getAs<BlockPointerType>()) |
| 6364 | T = Ptr->getPointeeType(); |
| 6365 | else if (const MemberPointerType *MemPtr = T->getAs<MemberPointerType>()) |
| 6366 | T = MemPtr->getPointeeType(); |
| 6367 | |
| 6368 | const FunctionType *FTy = T->getAs<FunctionType>(); |
| 6369 | (0) . __assert_fail ("FTy && \"call to value not of function type?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6369, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(FTy && "call to value not of function type?"); |
| 6370 | ReturnsRetained = FTy->getExtInfo().getProducesResult(); |
| 6371 | |
| 6372 | |
| 6373 | |
| 6374 | } else if (isa<StmtExpr>(E)) { |
| 6375 | ReturnsRetained = true; |
| 6376 | |
| 6377 | |
| 6378 | |
| 6379 | } else if (isa<CastExpr>(E) && |
| 6380 | isa<BlockExpr>(cast<CastExpr>(E)->getSubExpr())) { |
| 6381 | return E; |
| 6382 | |
| 6383 | |
| 6384 | |
| 6385 | |
| 6386 | } else { |
| 6387 | ObjCMethodDecl *D = nullptr; |
| 6388 | if (ObjCMessageExpr *Send = dyn_cast<ObjCMessageExpr>(E)) { |
| 6389 | D = Send->getMethodDecl(); |
| 6390 | } else if (ObjCBoxedExpr *BoxedExpr = dyn_cast<ObjCBoxedExpr>(E)) { |
| 6391 | D = BoxedExpr->getBoxingMethod(); |
| 6392 | } else if (ObjCArrayLiteral *ArrayLit = dyn_cast<ObjCArrayLiteral>(E)) { |
| 6393 | |
| 6394 | |
| 6395 | if (ArrayLit->getNumElements() == 0 && |
| 6396 | Context.getLangOpts().ObjCRuntime.hasEmptyCollections()) |
| 6397 | return E; |
| 6398 | |
| 6399 | D = ArrayLit->getArrayWithObjectsMethod(); |
| 6400 | } else if (ObjCDictionaryLiteral *DictLit |
| 6401 | = dyn_cast<ObjCDictionaryLiteral>(E)) { |
| 6402 | |
| 6403 | |
| 6404 | if (DictLit->getNumElements() == 0 && |
| 6405 | Context.getLangOpts().ObjCRuntime.hasEmptyCollections()) |
| 6406 | return E; |
| 6407 | |
| 6408 | D = DictLit->getDictWithObjectsMethod(); |
| 6409 | } |
| 6410 | |
| 6411 | ReturnsRetained = (D && D->hasAttr<NSReturnsRetainedAttr>()); |
| 6412 | |
| 6413 | |
| 6414 | |
| 6415 | |
| 6416 | if (!ReturnsRetained && |
| 6417 | D && D->getMethodFamily() == OMF_performSelector) |
| 6418 | return E; |
| 6419 | } |
| 6420 | |
| 6421 | |
| 6422 | if (!ReturnsRetained && E->getType()->isObjCARCImplicitlyUnretainedType()) |
| 6423 | return E; |
| 6424 | |
| 6425 | Cleanup.setExprNeedsCleanups(true); |
| 6426 | |
| 6427 | CastKind ck = (ReturnsRetained ? CK_ARCConsumeObject |
| 6428 | : CK_ARCReclaimReturnedObject); |
| 6429 | return ImplicitCastExpr::Create(Context, E->getType(), ck, E, nullptr, |
| 6430 | VK_RValue); |
| 6431 | } |
| 6432 | |
| 6433 | if (!getLangOpts().CPlusPlus) |
| 6434 | return E; |
| 6435 | |
| 6436 | |
| 6437 | |
| 6438 | const Type *T = Context.getCanonicalType(E->getType().getTypePtr()); |
| 6439 | const RecordType *RT = nullptr; |
| 6440 | while (!RT) { |
| 6441 | switch (T->getTypeClass()) { |
| 6442 | case Type::Record: |
| 6443 | RT = cast<RecordType>(T); |
| 6444 | break; |
| 6445 | case Type::ConstantArray: |
| 6446 | case Type::IncompleteArray: |
| 6447 | case Type::VariableArray: |
| 6448 | case Type::DependentSizedArray: |
| 6449 | T = cast<ArrayType>(T)->getElementType().getTypePtr(); |
| 6450 | break; |
| 6451 | default: |
| 6452 | return E; |
| 6453 | } |
| 6454 | } |
| 6455 | |
| 6456 | |
| 6457 | |
| 6458 | CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); |
| 6459 | if (RD->isInvalidDecl() || RD->isDependentContext()) |
| 6460 | return E; |
| 6461 | |
| 6462 | bool IsDecltype = ExprEvalContexts.back().ExprContext == |
| 6463 | ExpressionEvaluationContextRecord::EK_Decltype; |
| 6464 | CXXDestructorDecl *Destructor = IsDecltype ? nullptr : LookupDestructor(RD); |
| 6465 | |
| 6466 | if (Destructor) { |
| 6467 | MarkFunctionReferenced(E->getExprLoc(), Destructor); |
| 6468 | CheckDestructorAccess(E->getExprLoc(), Destructor, |
| 6469 | PDiag(diag::err_access_dtor_temp) |
| 6470 | << E->getType()); |
| 6471 | if (DiagnoseUseOfDecl(Destructor, E->getExprLoc())) |
| 6472 | return ExprError(); |
| 6473 | |
| 6474 | |
| 6475 | if (Destructor->isTrivial()) |
| 6476 | return E; |
| 6477 | |
| 6478 | |
| 6479 | Cleanup.setExprNeedsCleanups(true); |
| 6480 | } |
| 6481 | |
| 6482 | CXXTemporary *Temp = CXXTemporary::Create(Context, Destructor); |
| 6483 | CXXBindTemporaryExpr *Bind = CXXBindTemporaryExpr::Create(Context, Temp, E); |
| 6484 | |
| 6485 | if (IsDecltype) |
| 6486 | ExprEvalContexts.back().DelayedDecltypeBinds.push_back(Bind); |
| 6487 | |
| 6488 | return Bind; |
| 6489 | } |
| 6490 | |
| 6491 | ExprResult |
| 6492 | Sema::MaybeCreateExprWithCleanups(ExprResult SubExpr) { |
| 6493 | if (SubExpr.isInvalid()) |
| 6494 | return ExprError(); |
| 6495 | |
| 6496 | return MaybeCreateExprWithCleanups(SubExpr.get()); |
| 6497 | } |
| 6498 | |
| 6499 | Expr *Sema::MaybeCreateExprWithCleanups(Expr *SubExpr) { |
| 6500 | (0) . __assert_fail ("SubExpr && \"subexpression can't be null!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6500, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(SubExpr && "subexpression can't be null!"); |
| 6501 | |
| 6502 | CleanupVarDeclMarking(); |
| 6503 | |
| 6504 | unsigned FirstCleanup = ExprEvalContexts.back().NumCleanupObjects; |
| 6505 | = FirstCleanup", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6505, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ExprCleanupObjects.size() >= FirstCleanup); |
| 6506 | assert(Cleanup.exprNeedsCleanups() || |
| 6507 | ExprCleanupObjects.size() == FirstCleanup); |
| 6508 | if (!Cleanup.exprNeedsCleanups()) |
| 6509 | return SubExpr; |
| 6510 | |
| 6511 | auto Cleanups = llvm::makeArrayRef(ExprCleanupObjects.begin() + FirstCleanup, |
| 6512 | ExprCleanupObjects.size() - FirstCleanup); |
| 6513 | |
| 6514 | auto *E = ExprWithCleanups::Create( |
| 6515 | Context, SubExpr, Cleanup.cleanupsHaveSideEffects(), Cleanups); |
| 6516 | DiscardCleanupsInEvaluationContext(); |
| 6517 | |
| 6518 | return E; |
| 6519 | } |
| 6520 | |
| 6521 | Stmt *Sema::MaybeCreateStmtWithCleanups(Stmt *SubStmt) { |
| 6522 | (0) . __assert_fail ("SubStmt && \"sub-statement can't be null!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6522, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(SubStmt && "sub-statement can't be null!"); |
| 6523 | |
| 6524 | CleanupVarDeclMarking(); |
| 6525 | |
| 6526 | if (!Cleanup.exprNeedsCleanups()) |
| 6527 | return SubStmt; |
| 6528 | |
| 6529 | |
| 6530 | |
| 6531 | |
| 6532 | |
| 6533 | CompoundStmt *CompStmt = CompoundStmt::Create( |
| 6534 | Context, SubStmt, SourceLocation(), SourceLocation()); |
| 6535 | Expr *E = new (Context) StmtExpr(CompStmt, Context.VoidTy, SourceLocation(), |
| 6536 | SourceLocation()); |
| 6537 | return MaybeCreateExprWithCleanups(E); |
| 6538 | } |
| 6539 | |
| 6540 | |
| 6541 | |
| 6542 | |
| 6543 | |
| 6544 | ExprResult Sema::ActOnDecltypeExpression(Expr *E) { |
| 6545 | (0) . __assert_fail ("ExprEvalContexts.back().ExprContext == ExpressionEvaluationContextRecord..EK_Decltype && \"not in a decltype expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6547, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ExprEvalContexts.back().ExprContext == |
| 6546 | (0) . __assert_fail ("ExprEvalContexts.back().ExprContext == ExpressionEvaluationContextRecord..EK_Decltype && \"not in a decltype expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6547, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> ExpressionEvaluationContextRecord::EK_Decltype && |
| 6547 | (0) . __assert_fail ("ExprEvalContexts.back().ExprContext == ExpressionEvaluationContextRecord..EK_Decltype && \"not in a decltype expression\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6547, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "not in a decltype expression"); |
| 6548 | |
| 6549 | ExprResult Result = CheckPlaceholderExpr(E); |
| 6550 | if (Result.isInvalid()) |
| 6551 | return ExprError(); |
| 6552 | E = Result.get(); |
| 6553 | |
| 6554 | |
| 6555 | |
| 6556 | |
| 6557 | |
| 6558 | |
| 6559 | |
| 6560 | |
| 6561 | |
| 6562 | |
| 6563 | |
| 6564 | if (ParenExpr *PE = dyn_cast<ParenExpr>(E)) { |
| 6565 | ExprResult SubExpr = ActOnDecltypeExpression(PE->getSubExpr()); |
| 6566 | if (SubExpr.isInvalid()) |
| 6567 | return ExprError(); |
| 6568 | if (SubExpr.get() == PE->getSubExpr()) |
| 6569 | return E; |
| 6570 | return ActOnParenExpr(PE->getLParen(), PE->getRParen(), SubExpr.get()); |
| 6571 | } |
| 6572 | if (BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
| 6573 | if (BO->getOpcode() == BO_Comma) { |
| 6574 | ExprResult RHS = ActOnDecltypeExpression(BO->getRHS()); |
| 6575 | if (RHS.isInvalid()) |
| 6576 | return ExprError(); |
| 6577 | if (RHS.get() == BO->getRHS()) |
| 6578 | return E; |
| 6579 | return new (Context) BinaryOperator( |
| 6580 | BO->getLHS(), RHS.get(), BO_Comma, BO->getType(), BO->getValueKind(), |
| 6581 | BO->getObjectKind(), BO->getOperatorLoc(), BO->getFPFeatures()); |
| 6582 | } |
| 6583 | } |
| 6584 | |
| 6585 | CXXBindTemporaryExpr *TopBind = dyn_cast<CXXBindTemporaryExpr>(E); |
| 6586 | CallExpr *TopCall = TopBind ? dyn_cast<CallExpr>(TopBind->getSubExpr()) |
| 6587 | : nullptr; |
| 6588 | if (TopCall) |
| 6589 | E = TopCall; |
| 6590 | else |
| 6591 | TopBind = nullptr; |
| 6592 | |
| 6593 | |
| 6594 | ExprEvalContexts.back().ExprContext = |
| 6595 | ExpressionEvaluationContextRecord::EK_Other; |
| 6596 | |
| 6597 | |
| 6598 | |
| 6599 | if (getLangOpts().MSVCCompat) |
| 6600 | return E; |
| 6601 | |
| 6602 | |
| 6603 | for (unsigned I = 0, N = ExprEvalContexts.back().DelayedDecltypeCalls.size(); |
| 6604 | I != N; ++I) { |
| 6605 | CallExpr *Call = ExprEvalContexts.back().DelayedDecltypeCalls[I]; |
| 6606 | if (Call == TopCall) |
| 6607 | continue; |
| 6608 | |
| 6609 | if (CheckCallReturnType(Call->getCallReturnType(Context), |
| 6610 | Call->getBeginLoc(), Call, Call->getDirectCallee())) |
| 6611 | return ExprError(); |
| 6612 | } |
| 6613 | |
| 6614 | |
| 6615 | |
| 6616 | for (unsigned I = 0, N = ExprEvalContexts.back().DelayedDecltypeBinds.size(); |
| 6617 | I != N; ++I) { |
| 6618 | CXXBindTemporaryExpr *Bind = |
| 6619 | ExprEvalContexts.back().DelayedDecltypeBinds[I]; |
| 6620 | if (Bind == TopBind) |
| 6621 | continue; |
| 6622 | |
| 6623 | CXXTemporary *Temp = Bind->getTemporary(); |
| 6624 | |
| 6625 | CXXRecordDecl *RD = |
| 6626 | Bind->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl(); |
| 6627 | CXXDestructorDecl *Destructor = LookupDestructor(RD); |
| 6628 | Temp->setDestructor(Destructor); |
| 6629 | |
| 6630 | MarkFunctionReferenced(Bind->getExprLoc(), Destructor); |
| 6631 | CheckDestructorAccess(Bind->getExprLoc(), Destructor, |
| 6632 | PDiag(diag::err_access_dtor_temp) |
| 6633 | << Bind->getType()); |
| 6634 | if (DiagnoseUseOfDecl(Destructor, Bind->getExprLoc())) |
| 6635 | return ExprError(); |
| 6636 | |
| 6637 | |
| 6638 | Cleanup.setExprNeedsCleanups(true); |
| 6639 | } |
| 6640 | |
| 6641 | |
| 6642 | return E; |
| 6643 | } |
| 6644 | |
| 6645 | |
| 6646 | static void noteOperatorArrows(Sema &S, |
| 6647 | ArrayRef<FunctionDecl *> OperatorArrows) { |
| 6648 | unsigned SkipStart = OperatorArrows.size(), SkipCount = 0; |
| 6649 | |
| 6650 | unsigned Limit = 9; |
| 6651 | if (OperatorArrows.size() > Limit) { |
| 6652 | |
| 6653 | SkipStart = (Limit - 1) / 2 + (Limit - 1) % 2; |
| 6654 | SkipCount = OperatorArrows.size() - (Limit - 1); |
| 6655 | } |
| 6656 | |
| 6657 | for (unsigned I = 0; I < OperatorArrows.size(); ) { |
| 6658 | if (I == SkipStart) { |
| 6659 | S.Diag(OperatorArrows[I]->getLocation(), |
| 6660 | diag::note_operator_arrows_suppressed) |
| 6661 | << SkipCount; |
| 6662 | I += SkipCount; |
| 6663 | } else { |
| 6664 | S.Diag(OperatorArrows[I]->getLocation(), diag::note_operator_arrow_here) |
| 6665 | << OperatorArrows[I]->getCallResultType(); |
| 6666 | ++I; |
| 6667 | } |
| 6668 | } |
| 6669 | } |
| 6670 | |
| 6671 | ExprResult Sema::ActOnStartCXXMemberReference(Scope *S, Expr *Base, |
| 6672 | SourceLocation OpLoc, |
| 6673 | tok::TokenKind OpKind, |
| 6674 | ParsedType &ObjectType, |
| 6675 | bool &MayBePseudoDestructor) { |
| 6676 | |
| 6677 | ExprResult Result = MaybeConvertParenListExprToParenExpr(S, Base); |
| 6678 | if (Result.isInvalid()) return ExprError(); |
| 6679 | Base = Result.get(); |
| 6680 | |
| 6681 | Result = CheckPlaceholderExpr(Base); |
| 6682 | if (Result.isInvalid()) return ExprError(); |
| 6683 | Base = Result.get(); |
| 6684 | |
| 6685 | QualType BaseType = Base->getType(); |
| 6686 | MayBePseudoDestructor = false; |
| 6687 | if (BaseType->isDependentType()) { |
| 6688 | |
| 6689 | |
| 6690 | |
| 6691 | if (OpKind == tok::arrow) |
| 6692 | if (const PointerType *Ptr = BaseType->getAs<PointerType>()) |
| 6693 | BaseType = Ptr->getPointeeType(); |
| 6694 | |
| 6695 | ObjectType = ParsedType::make(BaseType); |
| 6696 | MayBePseudoDestructor = true; |
| 6697 | return Base; |
| 6698 | } |
| 6699 | |
| 6700 | |
| 6701 | |
| 6702 | |
| 6703 | if (OpKind == tok::arrow) { |
| 6704 | QualType StartingType = BaseType; |
| 6705 | bool NoArrowOperatorFound = false; |
| 6706 | bool FirstIteration = true; |
| 6707 | FunctionDecl *CurFD = dyn_cast<FunctionDecl>(CurContext); |
| 6708 | |
| 6709 | llvm::SmallPtrSet<CanQualType,8> CTypes; |
| 6710 | SmallVector<FunctionDecl*, 8> OperatorArrows; |
| 6711 | CTypes.insert(Context.getCanonicalType(BaseType)); |
| 6712 | |
| 6713 | while (BaseType->isRecordType()) { |
| 6714 | if (OperatorArrows.size() >= getLangOpts().ArrowDepth) { |
| 6715 | Diag(OpLoc, diag::err_operator_arrow_depth_exceeded) |
| 6716 | << StartingType << getLangOpts().ArrowDepth << Base->getSourceRange(); |
| 6717 | noteOperatorArrows(*this, OperatorArrows); |
| 6718 | Diag(OpLoc, diag::note_operator_arrow_depth) |
| 6719 | << getLangOpts().ArrowDepth; |
| 6720 | return ExprError(); |
| 6721 | } |
| 6722 | |
| 6723 | Result = BuildOverloadedArrowExpr( |
| 6724 | S, Base, OpLoc, |
| 6725 | |
| 6726 | |
| 6727 | |
| 6728 | |
| 6729 | (FirstIteration && CurFD && CurFD->isFunctionTemplateSpecialization()) |
| 6730 | ? nullptr |
| 6731 | : &NoArrowOperatorFound); |
| 6732 | if (Result.isInvalid()) { |
| 6733 | if (NoArrowOperatorFound) { |
| 6734 | if (FirstIteration) { |
| 6735 | Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
| 6736 | << BaseType << 1 << Base->getSourceRange() |
| 6737 | << FixItHint::CreateReplacement(OpLoc, "."); |
| 6738 | OpKind = tok::period; |
| 6739 | break; |
| 6740 | } |
| 6741 | Diag(OpLoc, diag::err_typecheck_member_reference_arrow) |
| 6742 | << BaseType << Base->getSourceRange(); |
| 6743 | CallExpr *CE = dyn_cast<CallExpr>(Base); |
| 6744 | if (Decl *CD = (CE ? CE->getCalleeDecl() : nullptr)) { |
| 6745 | Diag(CD->getBeginLoc(), |
| 6746 | diag::note_member_reference_arrow_from_operator_arrow); |
| 6747 | } |
| 6748 | } |
| 6749 | return ExprError(); |
| 6750 | } |
| 6751 | Base = Result.get(); |
| 6752 | if (CXXOperatorCallExpr *OpCall = dyn_cast<CXXOperatorCallExpr>(Base)) |
| 6753 | OperatorArrows.push_back(OpCall->getDirectCallee()); |
| 6754 | BaseType = Base->getType(); |
| 6755 | CanQualType CBaseType = Context.getCanonicalType(BaseType); |
| 6756 | if (!CTypes.insert(CBaseType).second) { |
| 6757 | Diag(OpLoc, diag::err_operator_arrow_circular) << StartingType; |
| 6758 | noteOperatorArrows(*this, OperatorArrows); |
| 6759 | return ExprError(); |
| 6760 | } |
| 6761 | FirstIteration = false; |
| 6762 | } |
| 6763 | |
| 6764 | if (OpKind == tok::arrow && |
| 6765 | (BaseType->isPointerType() || BaseType->isObjCObjectPointerType())) |
| 6766 | BaseType = BaseType->getPointeeType(); |
| 6767 | } |
| 6768 | |
| 6769 | |
| 6770 | |
| 6771 | if (BaseType->isObjCObjectPointerType()) |
| 6772 | BaseType = BaseType->getPointeeType(); |
| 6773 | |
| 6774 | |
| 6775 | |
| 6776 | |
| 6777 | |
| 6778 | |
| 6779 | |
| 6780 | |
| 6781 | |
| 6782 | |
| 6783 | |
| 6784 | |
| 6785 | if (BaseType->isObjCObjectOrInterfaceType()) { |
| 6786 | ObjectType = ParsedType::make(BaseType); |
| 6787 | MayBePseudoDestructor = true; |
| 6788 | return Base; |
| 6789 | } else if (!BaseType->isRecordType()) { |
| 6790 | ObjectType = nullptr; |
| 6791 | MayBePseudoDestructor = true; |
| 6792 | return Base; |
| 6793 | } |
| 6794 | |
| 6795 | |
| 6796 | |
| 6797 | |
| 6798 | |
| 6799 | |
| 6800 | if (!BaseType->isDependentType() && |
| 6801 | !isThisOutsideMemberFunctionBody(BaseType) && |
| 6802 | RequireCompleteType(OpLoc, BaseType, diag::err_incomplete_member_access)) |
| 6803 | return ExprError(); |
| 6804 | |
| 6805 | |
| 6806 | |
| 6807 | |
| 6808 | |
| 6809 | |
| 6810 | ObjectType = ParsedType::make(BaseType); |
| 6811 | return Base; |
| 6812 | } |
| 6813 | |
| 6814 | static bool CheckArrow(Sema& S, QualType& ObjectType, Expr *&Base, |
| 6815 | tok::TokenKind& OpKind, SourceLocation OpLoc) { |
| 6816 | if (Base->hasPlaceholderType()) { |
| 6817 | ExprResult result = S.CheckPlaceholderExpr(Base); |
| 6818 | if (result.isInvalid()) return true; |
| 6819 | Base = result.get(); |
| 6820 | } |
| 6821 | ObjectType = Base->getType(); |
| 6822 | |
| 6823 | |
| 6824 | |
| 6825 | |
| 6826 | |
| 6827 | |
| 6828 | |
| 6829 | if (OpKind == tok::arrow) { |
| 6830 | if (const PointerType *Ptr = ObjectType->getAs<PointerType>()) { |
| 6831 | ObjectType = Ptr->getPointeeType(); |
| 6832 | } else if (!Base->isTypeDependent()) { |
| 6833 | |
| 6834 | S.Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
| 6835 | << ObjectType << true |
| 6836 | << FixItHint::CreateReplacement(OpLoc, "."); |
| 6837 | if (S.isSFINAEContext()) |
| 6838 | return true; |
| 6839 | |
| 6840 | OpKind = tok::period; |
| 6841 | } |
| 6842 | } |
| 6843 | |
| 6844 | return false; |
| 6845 | } |
| 6846 | |
| 6847 | |
| 6848 | |
| 6849 | static bool |
| 6850 | canRecoverDotPseudoDestructorCallsOnPointerObjects(Sema &SemaRef, |
| 6851 | QualType DestructedType) { |
| 6852 | |
| 6853 | if (auto *RD = DestructedType->getAsCXXRecordDecl()) { |
| 6854 | if (RD->hasDefinition()) |
| 6855 | if (CXXDestructorDecl *D = SemaRef.LookupDestructor(RD)) |
| 6856 | return SemaRef.CanUseDecl(D, ); |
| 6857 | return false; |
| 6858 | } |
| 6859 | |
| 6860 | |
| 6861 | return DestructedType->isDependentType() || DestructedType->isScalarType() || |
| 6862 | DestructedType->isVectorType(); |
| 6863 | } |
| 6864 | |
| 6865 | ExprResult Sema::BuildPseudoDestructorExpr(Expr *Base, |
| 6866 | SourceLocation OpLoc, |
| 6867 | tok::TokenKind OpKind, |
| 6868 | const CXXScopeSpec &SS, |
| 6869 | TypeSourceInfo *ScopeTypeInfo, |
| 6870 | SourceLocation CCLoc, |
| 6871 | SourceLocation TildeLoc, |
| 6872 | PseudoDestructorTypeStorage Destructed) { |
| 6873 | TypeSourceInfo *DestructedTypeInfo = Destructed.getTypeSourceInfo(); |
| 6874 | |
| 6875 | QualType ObjectType; |
| 6876 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
| 6877 | return ExprError(); |
| 6878 | |
| 6879 | if (!ObjectType->isDependentType() && !ObjectType->isScalarType() && |
| 6880 | !ObjectType->isVectorType()) { |
| 6881 | if (getLangOpts().MSVCCompat && ObjectType->isVoidType()) |
| 6882 | Diag(OpLoc, diag::ext_pseudo_dtor_on_void) << Base->getSourceRange(); |
| 6883 | else { |
| 6884 | Diag(OpLoc, diag::err_pseudo_dtor_base_not_scalar) |
| 6885 | << ObjectType << Base->getSourceRange(); |
| 6886 | return ExprError(); |
| 6887 | } |
| 6888 | } |
| 6889 | |
| 6890 | |
| 6891 | |
| 6892 | |
| 6893 | if (DestructedTypeInfo) { |
| 6894 | QualType DestructedType = DestructedTypeInfo->getType(); |
| 6895 | SourceLocation DestructedTypeStart |
| 6896 | = DestructedTypeInfo->getTypeLoc().getLocalSourceRange().getBegin(); |
| 6897 | if (!DestructedType->isDependentType() && !ObjectType->isDependentType()) { |
| 6898 | if (!Context.hasSameUnqualifiedType(DestructedType, ObjectType)) { |
| 6899 | |
| 6900 | |
| 6901 | |
| 6902 | if (OpKind == tok::period && ObjectType->isPointerType() && |
| 6903 | Context.hasSameUnqualifiedType(DestructedType, |
| 6904 | ObjectType->getPointeeType())) { |
| 6905 | auto Diagnostic = |
| 6906 | Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
| 6907 | << ObjectType << << Base->getSourceRange(); |
| 6908 | |
| 6909 | |
| 6910 | if (canRecoverDotPseudoDestructorCallsOnPointerObjects( |
| 6911 | *this, DestructedType)) |
| 6912 | Diagnostic << FixItHint::CreateReplacement(OpLoc, "->"); |
| 6913 | |
| 6914 | |
| 6915 | |
| 6916 | ObjectType = DestructedType; |
| 6917 | OpKind = tok::arrow; |
| 6918 | } else { |
| 6919 | Diag(DestructedTypeStart, diag::err_pseudo_dtor_type_mismatch) |
| 6920 | << ObjectType << DestructedType << Base->getSourceRange() |
| 6921 | << DestructedTypeInfo->getTypeLoc().getLocalSourceRange(); |
| 6922 | |
| 6923 | |
| 6924 | DestructedType = ObjectType; |
| 6925 | DestructedTypeInfo = |
| 6926 | Context.getTrivialTypeSourceInfo(ObjectType, DestructedTypeStart); |
| 6927 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
| 6928 | } |
| 6929 | } else if (DestructedType.getObjCLifetime() != |
| 6930 | ObjectType.getObjCLifetime()) { |
| 6931 | |
| 6932 | if (DestructedType.getObjCLifetime() == Qualifiers::OCL_None) { |
| 6933 | |
| 6934 | |
| 6935 | } else { |
| 6936 | Diag(DestructedTypeStart, diag::err_arc_pseudo_dtor_inconstant_quals) |
| 6937 | << ObjectType << DestructedType << Base->getSourceRange() |
| 6938 | << DestructedTypeInfo->getTypeLoc().getLocalSourceRange(); |
| 6939 | } |
| 6940 | |
| 6941 | |
| 6942 | DestructedType = ObjectType; |
| 6943 | DestructedTypeInfo = Context.getTrivialTypeSourceInfo(ObjectType, |
| 6944 | DestructedTypeStart); |
| 6945 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
| 6946 | } |
| 6947 | } |
| 6948 | } |
| 6949 | |
| 6950 | |
| 6951 | |
| 6952 | |
| 6953 | |
| 6954 | |
| 6955 | |
| 6956 | |
| 6957 | if (ScopeTypeInfo) { |
| 6958 | QualType ScopeType = ScopeTypeInfo->getType(); |
| 6959 | if (!ScopeType->isDependentType() && !ObjectType->isDependentType() && |
| 6960 | !Context.hasSameUnqualifiedType(ScopeType, ObjectType)) { |
| 6961 | |
| 6962 | Diag(ScopeTypeInfo->getTypeLoc().getLocalSourceRange().getBegin(), |
| 6963 | diag::err_pseudo_dtor_type_mismatch) |
| 6964 | << ObjectType << ScopeType << Base->getSourceRange() |
| 6965 | << ScopeTypeInfo->getTypeLoc().getLocalSourceRange(); |
| 6966 | |
| 6967 | ScopeType = QualType(); |
| 6968 | ScopeTypeInfo = nullptr; |
| 6969 | } |
| 6970 | } |
| 6971 | |
| 6972 | Expr *Result |
| 6973 | = new (Context) CXXPseudoDestructorExpr(Context, Base, |
| 6974 | OpKind == tok::arrow, OpLoc, |
| 6975 | SS.getWithLocInContext(Context), |
| 6976 | ScopeTypeInfo, |
| 6977 | CCLoc, |
| 6978 | TildeLoc, |
| 6979 | Destructed); |
| 6980 | |
| 6981 | return Result; |
| 6982 | } |
| 6983 | |
| 6984 | ExprResult Sema::ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
| 6985 | SourceLocation OpLoc, |
| 6986 | tok::TokenKind OpKind, |
| 6987 | CXXScopeSpec &SS, |
| 6988 | UnqualifiedId &FirstTypeName, |
| 6989 | SourceLocation CCLoc, |
| 6990 | SourceLocation TildeLoc, |
| 6991 | UnqualifiedId &SecondTypeName) { |
| 6992 | (0) . __assert_fail ("(FirstTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || FirstTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid first type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6994, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((FirstTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
| 6993 | (0) . __assert_fail ("(FirstTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || FirstTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid first type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6994, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> FirstTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) && |
| 6994 | (0) . __assert_fail ("(FirstTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || FirstTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid first type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6994, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Invalid first type name in pseudo-destructor"); |
| 6995 | (0) . __assert_fail ("(SecondTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || SecondTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid second type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6997, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((SecondTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
| 6996 | (0) . __assert_fail ("(SecondTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || SecondTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid second type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6997, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> SecondTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) && |
| 6997 | (0) . __assert_fail ("(SecondTypeName.getKind() == UnqualifiedIdKind..IK_TemplateId || SecondTypeName.getKind() == UnqualifiedIdKind..IK_Identifier) && \"Invalid second type name in pseudo-destructor\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 6997, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Invalid second type name in pseudo-destructor"); |
| 6998 | |
| 6999 | QualType ObjectType; |
| 7000 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
| 7001 | return ExprError(); |
| 7002 | |
| 7003 | |
| 7004 | |
| 7005 | ParsedType ObjectTypePtrForLookup; |
| 7006 | if (!SS.isSet()) { |
| 7007 | if (ObjectType->isRecordType()) |
| 7008 | ObjectTypePtrForLookup = ParsedType::make(ObjectType); |
| 7009 | else if (ObjectType->isDependentType()) |
| 7010 | ObjectTypePtrForLookup = ParsedType::make(Context.DependentTy); |
| 7011 | } |
| 7012 | |
| 7013 | |
| 7014 | |
| 7015 | QualType DestructedType; |
| 7016 | TypeSourceInfo *DestructedTypeInfo = nullptr; |
| 7017 | PseudoDestructorTypeStorage Destructed; |
| 7018 | if (SecondTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) { |
| 7019 | ParsedType T = getTypeName(*SecondTypeName.Identifier, |
| 7020 | SecondTypeName.StartLocation, |
| 7021 | S, &SS, true, false, ObjectTypePtrForLookup, |
| 7022 | ); |
| 7023 | if (!T && |
| 7024 | ((SS.isSet() && !computeDeclContext(SS, false)) || |
| 7025 | (!SS.isSet() && ObjectType->isDependentType()))) { |
| 7026 | |
| 7027 | |
| 7028 | |
| 7029 | |
| 7030 | Destructed = PseudoDestructorTypeStorage(SecondTypeName.Identifier, |
| 7031 | SecondTypeName.StartLocation); |
| 7032 | } else if (!T) { |
| 7033 | Diag(SecondTypeName.StartLocation, |
| 7034 | diag::err_pseudo_dtor_destructor_non_type) |
| 7035 | << SecondTypeName.Identifier << ObjectType; |
| 7036 | if (isSFINAEContext()) |
| 7037 | return ExprError(); |
| 7038 | |
| 7039 | |
| 7040 | DestructedType = ObjectType; |
| 7041 | } else |
| 7042 | DestructedType = GetTypeFromParser(T, &DestructedTypeInfo); |
| 7043 | } else { |
| 7044 | |
| 7045 | TemplateIdAnnotation *TemplateId = SecondTypeName.TemplateId; |
| 7046 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
| 7047 | TemplateId->NumArgs); |
| 7048 | TypeResult T = ActOnTemplateIdType(TemplateId->SS, |
| 7049 | TemplateId->TemplateKWLoc, |
| 7050 | TemplateId->Template, |
| 7051 | TemplateId->Name, |
| 7052 | TemplateId->TemplateNameLoc, |
| 7053 | TemplateId->LAngleLoc, |
| 7054 | TemplateArgsPtr, |
| 7055 | TemplateId->RAngleLoc, |
| 7056 | ); |
| 7057 | if (T.isInvalid() || !T.get()) { |
| 7058 | |
| 7059 | DestructedType = ObjectType; |
| 7060 | } else |
| 7061 | DestructedType = GetTypeFromParser(T.get(), &DestructedTypeInfo); |
| 7062 | } |
| 7063 | |
| 7064 | |
| 7065 | |
| 7066 | if (!DestructedType.isNull()) { |
| 7067 | if (!DestructedTypeInfo) |
| 7068 | DestructedTypeInfo = Context.getTrivialTypeSourceInfo(DestructedType, |
| 7069 | SecondTypeName.StartLocation); |
| 7070 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
| 7071 | } |
| 7072 | |
| 7073 | |
| 7074 | TypeSourceInfo *ScopeTypeInfo = nullptr; |
| 7075 | QualType ScopeType; |
| 7076 | if (FirstTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
| 7077 | FirstTypeName.Identifier) { |
| 7078 | if (FirstTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) { |
| 7079 | ParsedType T = getTypeName(*FirstTypeName.Identifier, |
| 7080 | FirstTypeName.StartLocation, |
| 7081 | S, &SS, true, false, ObjectTypePtrForLookup, |
| 7082 | ); |
| 7083 | if (!T) { |
| 7084 | Diag(FirstTypeName.StartLocation, |
| 7085 | diag::err_pseudo_dtor_destructor_non_type) |
| 7086 | << FirstTypeName.Identifier << ObjectType; |
| 7087 | |
| 7088 | if (isSFINAEContext()) |
| 7089 | return ExprError(); |
| 7090 | |
| 7091 | |
| 7092 | ScopeType = QualType(); |
| 7093 | } else |
| 7094 | ScopeType = GetTypeFromParser(T, &ScopeTypeInfo); |
| 7095 | } else { |
| 7096 | |
| 7097 | TemplateIdAnnotation *TemplateId = FirstTypeName.TemplateId; |
| 7098 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
| 7099 | TemplateId->NumArgs); |
| 7100 | TypeResult T = ActOnTemplateIdType(TemplateId->SS, |
| 7101 | TemplateId->TemplateKWLoc, |
| 7102 | TemplateId->Template, |
| 7103 | TemplateId->Name, |
| 7104 | TemplateId->TemplateNameLoc, |
| 7105 | TemplateId->LAngleLoc, |
| 7106 | TemplateArgsPtr, |
| 7107 | TemplateId->RAngleLoc, |
| 7108 | ); |
| 7109 | if (T.isInvalid() || !T.get()) { |
| 7110 | |
| 7111 | ScopeType = QualType(); |
| 7112 | } else |
| 7113 | ScopeType = GetTypeFromParser(T.get(), &ScopeTypeInfo); |
| 7114 | } |
| 7115 | } |
| 7116 | |
| 7117 | if (!ScopeType.isNull() && !ScopeTypeInfo) |
| 7118 | ScopeTypeInfo = Context.getTrivialTypeSourceInfo(ScopeType, |
| 7119 | FirstTypeName.StartLocation); |
| 7120 | |
| 7121 | |
| 7122 | return BuildPseudoDestructorExpr(Base, OpLoc, OpKind, SS, |
| 7123 | ScopeTypeInfo, CCLoc, TildeLoc, |
| 7124 | Destructed); |
| 7125 | } |
| 7126 | |
| 7127 | ExprResult Sema::ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
| 7128 | SourceLocation OpLoc, |
| 7129 | tok::TokenKind OpKind, |
| 7130 | SourceLocation TildeLoc, |
| 7131 | const DeclSpec& DS) { |
| 7132 | QualType ObjectType; |
| 7133 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
| 7134 | return ExprError(); |
| 7135 | |
| 7136 | QualType T = BuildDecltypeType(DS.getRepAsExpr(), DS.getTypeSpecTypeLoc(), |
| 7137 | false); |
| 7138 | |
| 7139 | TypeLocBuilder TLB; |
| 7140 | DecltypeTypeLoc DecltypeTL = TLB.push<DecltypeTypeLoc>(T); |
| 7141 | DecltypeTL.setNameLoc(DS.getTypeSpecTypeLoc()); |
| 7142 | TypeSourceInfo *DestructedTypeInfo = TLB.getTypeSourceInfo(Context, T); |
| 7143 | PseudoDestructorTypeStorage Destructed(DestructedTypeInfo); |
| 7144 | |
| 7145 | return BuildPseudoDestructorExpr(Base, OpLoc, OpKind, CXXScopeSpec(), |
| 7146 | nullptr, SourceLocation(), TildeLoc, |
| 7147 | Destructed); |
| 7148 | } |
| 7149 | |
| 7150 | ExprResult Sema::BuildCXXMemberCallExpr(Expr *E, NamedDecl *FoundDecl, |
| 7151 | CXXConversionDecl *Method, |
| 7152 | bool HadMultipleCandidates) { |
| 7153 | |
| 7154 | |
| 7155 | ExprResult Exp = PerformObjectArgumentInitialization(E, , |
| 7156 | FoundDecl, Method); |
| 7157 | if (Exp.isInvalid()) |
| 7158 | return true; |
| 7159 | |
| 7160 | if (Method->getParent()->isLambda() && |
| 7161 | Method->getConversionType()->isBlockPointerType()) { |
| 7162 | |
| 7163 | |
| 7164 | Expr *SubE = E; |
| 7165 | CastExpr *CE = dyn_cast<CastExpr>(SubE); |
| 7166 | if (CE && CE->getCastKind() == CK_NoOp) |
| 7167 | SubE = CE->getSubExpr(); |
| 7168 | SubE = SubE->IgnoreParens(); |
| 7169 | if (CXXBindTemporaryExpr *BE = dyn_cast<CXXBindTemporaryExpr>(SubE)) |
| 7170 | SubE = BE->getSubExpr(); |
| 7171 | if (isa<LambdaExpr>(SubE)) { |
| 7172 | |
| 7173 | |
| 7174 | |
| 7175 | |
| 7176 | |
| 7177 | DiagnosticErrorTrap Trap(Diags); |
| 7178 | PushExpressionEvaluationContext( |
| 7179 | ExpressionEvaluationContext::PotentiallyEvaluated); |
| 7180 | ExprResult BlockExp = BuildBlockForLambdaConversion( |
| 7181 | Exp.get()->getExprLoc(), Exp.get()->getExprLoc(), Method, Exp.get()); |
| 7182 | PopExpressionEvaluationContext(); |
| 7183 | |
| 7184 | if (BlockExp.isInvalid()) |
| 7185 | Diag(Exp.get()->getExprLoc(), diag::note_lambda_to_block_conv); |
| 7186 | return BlockExp; |
| 7187 | } |
| 7188 | } |
| 7189 | |
| 7190 | MemberExpr *ME = new (Context) MemberExpr( |
| 7191 | Exp.get(), , SourceLocation(), Method, SourceLocation(), |
| 7192 | Context.BoundMemberTy, VK_RValue, OK_Ordinary); |
| 7193 | if (HadMultipleCandidates) |
| 7194 | ME->setHadMultipleCandidates(true); |
| 7195 | MarkMemberReferenced(ME); |
| 7196 | |
| 7197 | QualType ResultType = Method->getReturnType(); |
| 7198 | ExprValueKind VK = Expr::getValueKindForType(ResultType); |
| 7199 | ResultType = ResultType.getNonLValueExprType(Context); |
| 7200 | |
| 7201 | CXXMemberCallExpr *CE = CXXMemberCallExpr::Create( |
| 7202 | Context, ME, {}, ResultType, VK, Exp.get()->getEndLoc()); |
| 7203 | |
| 7204 | if (CheckFunctionCall(Method, CE, |
| 7205 | Method->getType()->castAs<FunctionProtoType>())) |
| 7206 | return ExprError(); |
| 7207 | |
| 7208 | return CE; |
| 7209 | } |
| 7210 | |
| 7211 | ExprResult Sema::BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, |
| 7212 | SourceLocation RParen) { |
| 7213 | |
| 7214 | |
| 7215 | |
| 7216 | ExprResult R = CheckPlaceholderExpr(Operand); |
| 7217 | if (R.isInvalid()) |
| 7218 | return R; |
| 7219 | |
| 7220 | |
| 7221 | Operand = R.get(); |
| 7222 | |
| 7223 | if (!inTemplateInstantiation() && Operand->HasSideEffects(Context, false)) { |
| 7224 | |
| 7225 | |
| 7226 | Diag(Operand->getExprLoc(), diag::warn_side_effects_unevaluated_context); |
| 7227 | } |
| 7228 | |
| 7229 | CanThrowResult CanThrow = canThrow(Operand); |
| 7230 | return new (Context) |
| 7231 | CXXNoexceptExpr(Context.BoolTy, Operand, CanThrow, KeyLoc, RParen); |
| 7232 | } |
| 7233 | |
| 7234 | ExprResult Sema::ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation, |
| 7235 | Expr *Operand, SourceLocation RParen) { |
| 7236 | return BuildCXXNoexceptExpr(KeyLoc, Operand, RParen); |
| 7237 | } |
| 7238 | |
| 7239 | static bool IsSpecialDiscardedValue(Expr *E) { |
| 7240 | |
| 7241 | |
| 7242 | |
| 7243 | |
| 7244 | |
| 7245 | E = E->IgnoreParens(); |
| 7246 | |
| 7247 | |
| 7248 | if (isa<DeclRefExpr>(E)) |
| 7249 | return true; |
| 7250 | |
| 7251 | |
| 7252 | if (isa<ArraySubscriptExpr>(E)) |
| 7253 | return true; |
| 7254 | |
| 7255 | |
| 7256 | if (isa<MemberExpr>(E)) |
| 7257 | return true; |
| 7258 | |
| 7259 | |
| 7260 | if (UnaryOperator *UO = dyn_cast<UnaryOperator>(E)) |
| 7261 | if (UO->getOpcode() == UO_Deref) |
| 7262 | return true; |
| 7263 | |
| 7264 | if (BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
| 7265 | |
| 7266 | if (BO->isPtrMemOp()) |
| 7267 | return true; |
| 7268 | |
| 7269 | |
| 7270 | if (BO->getOpcode() == BO_Comma) |
| 7271 | return IsSpecialDiscardedValue(BO->getRHS()); |
| 7272 | } |
| 7273 | |
| 7274 | |
| 7275 | |
| 7276 | if (ConditionalOperator *CO = dyn_cast<ConditionalOperator>(E)) |
| 7277 | return IsSpecialDiscardedValue(CO->getTrueExpr()) && |
| 7278 | IsSpecialDiscardedValue(CO->getFalseExpr()); |
| 7279 | |
| 7280 | if (BinaryConditionalOperator *BCO = |
| 7281 | dyn_cast<BinaryConditionalOperator>(E)) { |
| 7282 | if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(BCO->getTrueExpr())) |
| 7283 | return IsSpecialDiscardedValue(OVE->getSourceExpr()) && |
| 7284 | IsSpecialDiscardedValue(BCO->getFalseExpr()); |
| 7285 | } |
| 7286 | |
| 7287 | |
| 7288 | if (isa<PseudoObjectExpr>(E) || isa<ObjCIvarRefExpr>(E)) |
| 7289 | return true; |
| 7290 | |
| 7291 | return false; |
| 7292 | } |
| 7293 | |
| 7294 | |
| 7295 | |
| 7296 | ExprResult Sema::IgnoredValueConversions(Expr *E) { |
| 7297 | if (E->hasPlaceholderType()) { |
| 7298 | ExprResult result = CheckPlaceholderExpr(E); |
| 7299 | if (result.isInvalid()) return E; |
| 7300 | E = result.get(); |
| 7301 | } |
| 7302 | |
| 7303 | |
| 7304 | |
| 7305 | |
| 7306 | |
| 7307 | if (E->isRValue()) { |
| 7308 | |
| 7309 | |
| 7310 | |
| 7311 | |
| 7312 | if (!getLangOpts().CPlusPlus && E->getType()->isFunctionType()) |
| 7313 | return DefaultFunctionArrayConversion(E); |
| 7314 | |
| 7315 | return E; |
| 7316 | } |
| 7317 | |
| 7318 | if (getLangOpts().CPlusPlus) { |
| 7319 | |
| 7320 | |
| 7321 | |
| 7322 | |
| 7323 | if (getLangOpts().CPlusPlus11 && E->isGLValue() && |
| 7324 | E->getType().isVolatileQualified() && |
| 7325 | IsSpecialDiscardedValue(E)) { |
| 7326 | ExprResult Res = DefaultLvalueConversion(E); |
| 7327 | if (Res.isInvalid()) |
| 7328 | return E; |
| 7329 | E = Res.get(); |
| 7330 | } |
| 7331 | |
| 7332 | |
| 7333 | |
| 7334 | |
| 7335 | |
| 7336 | |
| 7337 | |
| 7338 | |
| 7339 | |
| 7340 | |
| 7341 | return E; |
| 7342 | } |
| 7343 | |
| 7344 | |
| 7345 | if (const EnumType *T = E->getType()->getAs<EnumType>()) { |
| 7346 | if (!T->getDecl()->isComplete()) { |
| 7347 | |
| 7348 | E = ImpCastExprToType(E, Context.VoidTy, CK_ToVoid).get(); |
| 7349 | return E; |
| 7350 | } |
| 7351 | } |
| 7352 | |
| 7353 | ExprResult Res = DefaultFunctionArrayLvalueConversion(E); |
| 7354 | if (Res.isInvalid()) |
| 7355 | return E; |
| 7356 | E = Res.get(); |
| 7357 | |
| 7358 | if (!E->getType()->isVoidType()) |
| 7359 | RequireCompleteType(E->getExprLoc(), E->getType(), |
| 7360 | diag::err_incomplete_type); |
| 7361 | return E; |
| 7362 | } |
| 7363 | |
| 7364 | |
| 7365 | |
| 7366 | |
| 7367 | |
| 7368 | |
| 7369 | |
| 7370 | |
| 7371 | |
| 7372 | |
| 7373 | |
| 7374 | |
| 7375 | |
| 7376 | static inline bool VariableCanNeverBeAConstantExpression(VarDecl *Var, |
| 7377 | ASTContext &Context) { |
| 7378 | if (isa<ParmVarDecl>(Var)) return true; |
| 7379 | const VarDecl *DefVD = nullptr; |
| 7380 | |
| 7381 | |
| 7382 | if (!Var->getAnyInitializer(DefVD)) return true; |
| 7383 | assert(DefVD); |
| 7384 | if (DefVD->isWeak()) return false; |
| 7385 | EvaluatedStmt *Eval = DefVD->ensureEvaluatedStmt(); |
| 7386 | |
| 7387 | Expr *Init = cast<Expr>(Eval->Value); |
| 7388 | |
| 7389 | if (Var->getType()->isDependentType() || Init->isValueDependent()) { |
| 7390 | |
| 7391 | |
| 7392 | |
| 7393 | return false; |
| 7394 | } |
| 7395 | |
| 7396 | return !IsVariableAConstantExpression(Var, Context); |
| 7397 | } |
| 7398 | |
| 7399 | |
| 7400 | |
| 7401 | |
| 7402 | |
| 7403 | |
| 7404 | |
| 7405 | |
| 7406 | static void CheckIfAnyEnclosingLambdasMustCaptureAnyPotentialCaptures( |
| 7407 | Expr *const FE, LambdaScopeInfo *const CurrentLSI, Sema &S) { |
| 7408 | |
| 7409 | assert(!S.isUnevaluatedContext()); |
| 7410 | isDependentContext()", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7410, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(S.CurContext->isDependentContext()); |
| 7411 | #ifndef NDEBUG |
| 7412 | DeclContext *DC = S.CurContext; |
| 7413 | while (DC && isa<CapturedDecl>(DC)) |
| 7414 | DC = DC->getParent(); |
| 7415 | (0) . __assert_fail ("CurrentLSI->CallOperator == DC && \"The current call operator must be synchronized with Sema's CurContext\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7417, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert( |
| 7416 | (0) . __assert_fail ("CurrentLSI->CallOperator == DC && \"The current call operator must be synchronized with Sema's CurContext\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7417, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> CurrentLSI->CallOperator == DC && |
| 7417 | (0) . __assert_fail ("CurrentLSI->CallOperator == DC && \"The current call operator must be synchronized with Sema's CurContext\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7417, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "The current call operator must be synchronized with Sema's CurContext"); |
| 7418 | #endif |
| 7419 | |
| 7420 | const bool IsFullExprInstantiationDependent = FE->isInstantiationDependent(); |
| 7421 | |
| 7422 | |
| 7423 | |
| 7424 | |
| 7425 | const unsigned NumPotentialCaptures = |
| 7426 | CurrentLSI->getNumPotentialVariableCaptures(); |
| 7427 | for (unsigned I = 0; I != NumPotentialCaptures; ++I) { |
| 7428 | Expr *VarExpr = nullptr; |
| 7429 | VarDecl *Var = nullptr; |
| 7430 | CurrentLSI->getPotentialVariableCapture(I, Var, VarExpr); |
| 7431 | |
| 7432 | |
| 7433 | |
| 7434 | |
| 7435 | |
| 7436 | |
| 7437 | |
| 7438 | |
| 7439 | |
| 7440 | |
| 7441 | |
| 7442 | if (CurrentLSI->isVariableExprMarkedAsNonODRUsed(VarExpr) && |
| 7443 | !IsFullExprInstantiationDependent) |
| 7444 | continue; |
| 7445 | |
| 7446 | |
| 7447 | |
| 7448 | if (const Optional<unsigned> Index = |
| 7449 | getStackIndexOfNearestEnclosingCaptureCapableLambda( |
| 7450 | S.FunctionScopes, Var, S)) { |
| 7451 | const unsigned FunctionScopeIndexOfCapturableLambda = Index.getValue(); |
| 7452 | MarkVarDeclODRUsed(Var, VarExpr->getExprLoc(), S, |
| 7453 | &FunctionScopeIndexOfCapturableLambda); |
| 7454 | } |
| 7455 | const bool IsVarNeverAConstantExpression = |
| 7456 | VariableCanNeverBeAConstantExpression(Var, S.Context); |
| 7457 | if (!IsFullExprInstantiationDependent || IsVarNeverAConstantExpression) { |
| 7458 | |
| 7459 | |
| 7460 | |
| 7461 | |
| 7462 | |
| 7463 | |
| 7464 | QualType CaptureType, DeclRefType; |
| 7465 | SourceLocation ExprLoc = VarExpr->getExprLoc(); |
| 7466 | if (S.tryCaptureVariable(Var, ExprLoc, S.TryCapture_Implicit, |
| 7467 | SourceLocation(), |
| 7468 | , CaptureType, |
| 7469 | DeclRefType, nullptr)) { |
| 7470 | |
| 7471 | |
| 7472 | S.tryCaptureVariable(Var, ExprLoc, S.TryCapture_Implicit, |
| 7473 | SourceLocation(), |
| 7474 | , CaptureType, |
| 7475 | DeclRefType, nullptr); |
| 7476 | } |
| 7477 | } |
| 7478 | } |
| 7479 | |
| 7480 | |
| 7481 | if (CurrentLSI->hasPotentialThisCapture()) { |
| 7482 | |
| 7483 | |
| 7484 | if (const Optional<unsigned> Index = |
| 7485 | getStackIndexOfNearestEnclosingCaptureCapableLambda( |
| 7486 | S.FunctionScopes, nullptr, S)) { |
| 7487 | const unsigned FunctionScopeIndexOfCapturableLambda = Index.getValue(); |
| 7488 | S.CheckCXXThisCapture(CurrentLSI->PotentialThisCaptureLocation, |
| 7489 | false, true, |
| 7490 | &FunctionScopeIndexOfCapturableLambda); |
| 7491 | } |
| 7492 | } |
| 7493 | |
| 7494 | |
| 7495 | CurrentLSI->clearPotentialCaptures(); |
| 7496 | } |
| 7497 | |
| 7498 | static ExprResult attemptRecovery(Sema &SemaRef, |
| 7499 | const TypoCorrectionConsumer &Consumer, |
| 7500 | const TypoCorrection &TC) { |
| 7501 | LookupResult R(SemaRef, Consumer.getLookupResult().getLookupNameInfo(), |
| 7502 | Consumer.getLookupResult().getLookupKind()); |
| 7503 | const CXXScopeSpec *SS = Consumer.getSS(); |
| 7504 | CXXScopeSpec NewSS; |
| 7505 | |
| 7506 | |
| 7507 | if (auto *NNS = TC.getCorrectionSpecifier()) |
| 7508 | NewSS.MakeTrivial(SemaRef.Context, NNS, TC.getCorrectionRange()); |
| 7509 | else if (SS && !TC.WillReplaceSpecifier()) |
| 7510 | NewSS = *SS; |
| 7511 | |
| 7512 | if (auto *ND = TC.getFoundDecl()) { |
| 7513 | R.setLookupName(ND->getDeclName()); |
| 7514 | R.addDecl(ND); |
| 7515 | if (ND->isCXXClassMember()) { |
| 7516 | |
| 7517 | CXXRecordDecl *Record = nullptr; |
| 7518 | if (auto *NNS = TC.getCorrectionSpecifier()) |
| 7519 | Record = NNS->getAsType()->getAsCXXRecordDecl(); |
| 7520 | if (!Record) |
| 7521 | Record = |
| 7522 | dyn_cast<CXXRecordDecl>(ND->getDeclContext()->getRedeclContext()); |
| 7523 | if (Record) |
| 7524 | R.setNamingClass(Record); |
| 7525 | |
| 7526 | |
| 7527 | |
| 7528 | bool MightBeImplicitMember; |
| 7529 | if (!Consumer.isAddressOfOperand()) |
| 7530 | MightBeImplicitMember = true; |
| 7531 | else if (!NewSS.isEmpty()) |
| 7532 | MightBeImplicitMember = false; |
| 7533 | else if (R.isOverloadedResult()) |
| 7534 | MightBeImplicitMember = false; |
| 7535 | else if (R.isUnresolvableResult()) |
| 7536 | MightBeImplicitMember = true; |
| 7537 | else |
| 7538 | MightBeImplicitMember = isa<FieldDecl>(ND) || |
| 7539 | isa<IndirectFieldDecl>(ND) || |
| 7540 | isa<MSPropertyDecl>(ND); |
| 7541 | |
| 7542 | if (MightBeImplicitMember) |
| 7543 | return SemaRef.BuildPossibleImplicitMemberExpr( |
| 7544 | NewSS, SourceLocation(), R, |
| 7545 | nullptr, nullptr); |
| 7546 | } else if (auto *Ivar = dyn_cast<ObjCIvarDecl>(ND)) { |
| 7547 | return SemaRef.LookupInObjCMethod(R, Consumer.getScope(), |
| 7548 | Ivar->getIdentifier()); |
| 7549 | } |
| 7550 | } |
| 7551 | |
| 7552 | return SemaRef.BuildDeclarationNameExpr(NewSS, R, false, |
| 7553 | true); |
| 7554 | } |
| 7555 | |
| 7556 | namespace { |
| 7557 | class FindTypoExprs : public RecursiveASTVisitor<FindTypoExprs> { |
| 7558 | llvm::SmallSetVector<TypoExpr *, 2> &TypoExprs; |
| 7559 | |
| 7560 | public: |
| 7561 | explicit FindTypoExprs(llvm::SmallSetVector<TypoExpr *, 2> &TypoExprs) |
| 7562 | : TypoExprs(TypoExprs) {} |
| 7563 | bool VisitTypoExpr(TypoExpr *TE) { |
| 7564 | TypoExprs.insert(TE); |
| 7565 | return true; |
| 7566 | } |
| 7567 | }; |
| 7568 | |
| 7569 | class TransformTypos : public TreeTransform<TransformTypos> { |
| 7570 | typedef TreeTransform<TransformTypos> BaseTransform; |
| 7571 | |
| 7572 | VarDecl *InitDecl; |
| 7573 | |
| 7574 | llvm::function_ref<ExprResult(Expr *)> ExprFilter; |
| 7575 | llvm::SmallSetVector<TypoExpr *, 2> TypoExprs, AmbiguousTypoExprs; |
| 7576 | llvm::SmallDenseMap<TypoExpr *, ExprResult, 2> TransformCache; |
| 7577 | llvm::SmallDenseMap<OverloadExpr *, Expr *, 4> OverloadResolution; |
| 7578 | |
| 7579 | |
| 7580 | |
| 7581 | |
| 7582 | |
| 7583 | void EmitAllDiagnostics() { |
| 7584 | for (TypoExpr *TE : TypoExprs) { |
| 7585 | auto &State = SemaRef.getTypoExprState(TE); |
| 7586 | if (State.DiagHandler) { |
| 7587 | TypoCorrection TC = State.Consumer->getCurrentCorrection(); |
| 7588 | ExprResult Replacement = TransformCache[TE]; |
| 7589 | |
| 7590 | |
| 7591 | |
| 7592 | |
| 7593 | |
| 7594 | |
| 7595 | if (auto *ND = getDeclFromExpr( |
| 7596 | Replacement.isInvalid() ? nullptr : Replacement.get())) |
| 7597 | TC.setCorrectionDecl(ND); |
| 7598 | |
| 7599 | State.DiagHandler(TC); |
| 7600 | } |
| 7601 | SemaRef.clearDelayedTypo(TE); |
| 7602 | } |
| 7603 | } |
| 7604 | |
| 7605 | |
| 7606 | |
| 7607 | |
| 7608 | |
| 7609 | |
| 7610 | |
| 7611 | |
| 7612 | |
| 7613 | |
| 7614 | bool CheckAndAdvanceTypoExprCorrectionStreams() { |
| 7615 | for (auto TE : TypoExprs) { |
| 7616 | auto &State = SemaRef.getTypoExprState(TE); |
| 7617 | TransformCache.erase(TE); |
| 7618 | if (!State.Consumer->finished()) |
| 7619 | return true; |
| 7620 | State.Consumer->resetCorrectionStream(); |
| 7621 | } |
| 7622 | return false; |
| 7623 | } |
| 7624 | |
| 7625 | NamedDecl *getDeclFromExpr(Expr *E) { |
| 7626 | if (auto *OE = dyn_cast_or_null<OverloadExpr>(E)) |
| 7627 | E = OverloadResolution[OE]; |
| 7628 | |
| 7629 | if (!E) |
| 7630 | return nullptr; |
| 7631 | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) |
| 7632 | return DRE->getFoundDecl(); |
| 7633 | if (auto *ME = dyn_cast<MemberExpr>(E)) |
| 7634 | return ME->getFoundDecl(); |
| 7635 | |
| 7636 | |
| 7637 | |
| 7638 | return nullptr; |
| 7639 | } |
| 7640 | |
| 7641 | ExprResult TryTransform(Expr *E) { |
| 7642 | Sema::SFINAETrap Trap(SemaRef); |
| 7643 | ExprResult Res = TransformExpr(E); |
| 7644 | if (Trap.hasErrorOccurred() || Res.isInvalid()) |
| 7645 | return ExprError(); |
| 7646 | |
| 7647 | return ExprFilter(Res.get()); |
| 7648 | } |
| 7649 | |
| 7650 | public: |
| 7651 | TransformTypos(Sema &SemaRef, VarDecl *InitDecl, llvm::function_ref<ExprResult(Expr *)> Filter) |
| 7652 | : BaseTransform(SemaRef), InitDecl(InitDecl), ExprFilter(Filter) {} |
| 7653 | |
| 7654 | ExprResult RebuildCallExpr(Expr *Callee, SourceLocation LParenLoc, |
| 7655 | MultiExprArg Args, |
| 7656 | SourceLocation RParenLoc, |
| 7657 | Expr *ExecConfig = nullptr) { |
| 7658 | auto Result = BaseTransform::RebuildCallExpr(Callee, LParenLoc, Args, |
| 7659 | RParenLoc, ExecConfig); |
| 7660 | if (auto *OE = dyn_cast<OverloadExpr>(Callee)) { |
| 7661 | if (Result.isUsable()) { |
| 7662 | Expr *ResultCall = Result.get(); |
| 7663 | if (auto *BE = dyn_cast<CXXBindTemporaryExpr>(ResultCall)) |
| 7664 | ResultCall = BE->getSubExpr(); |
| 7665 | if (auto *CE = dyn_cast<CallExpr>(ResultCall)) |
| 7666 | OverloadResolution[OE] = CE->getCallee(); |
| 7667 | } |
| 7668 | } |
| 7669 | return Result; |
| 7670 | } |
| 7671 | |
| 7672 | ExprResult TransformLambdaExpr(LambdaExpr *E) { return Owned(E); } |
| 7673 | |
| 7674 | ExprResult TransformBlockExpr(BlockExpr *E) { return Owned(E); } |
| 7675 | |
| 7676 | ExprResult Transform(Expr *E) { |
| 7677 | ExprResult Res; |
| 7678 | while (true) { |
| 7679 | Res = TryTransform(E); |
| 7680 | |
| 7681 | |
| 7682 | |
| 7683 | if (!Res.isInvalid() || |
| 7684 | !CheckAndAdvanceTypoExprCorrectionStreams()) |
| 7685 | break; |
| 7686 | } |
| 7687 | |
| 7688 | |
| 7689 | |
| 7690 | |
| 7691 | |
| 7692 | |
| 7693 | |
| 7694 | |
| 7695 | |
| 7696 | SemaRef.DisableTypoCorrection = true; |
| 7697 | while (!AmbiguousTypoExprs.empty()) { |
| 7698 | auto TE = AmbiguousTypoExprs.back(); |
| 7699 | auto Cached = TransformCache[TE]; |
| 7700 | auto &State = SemaRef.getTypoExprState(TE); |
| 7701 | State.Consumer->saveCurrentPosition(); |
| 7702 | TransformCache.erase(TE); |
| 7703 | if (!TryTransform(E).isInvalid()) { |
| 7704 | State.Consumer->resetCorrectionStream(); |
| 7705 | TransformCache.erase(TE); |
| 7706 | Res = ExprError(); |
| 7707 | break; |
| 7708 | } |
| 7709 | AmbiguousTypoExprs.remove(TE); |
| 7710 | State.Consumer->restoreSavedPosition(); |
| 7711 | TransformCache[TE] = Cached; |
| 7712 | } |
| 7713 | SemaRef.DisableTypoCorrection = false; |
| 7714 | |
| 7715 | |
| 7716 | if (!Res.isUsable()) |
| 7717 | FindTypoExprs(TypoExprs).TraverseStmt(E); |
| 7718 | |
| 7719 | EmitAllDiagnostics(); |
| 7720 | |
| 7721 | return Res; |
| 7722 | } |
| 7723 | |
| 7724 | ExprResult TransformTypoExpr(TypoExpr *E) { |
| 7725 | |
| 7726 | |
| 7727 | |
| 7728 | auto &CacheEntry = TransformCache[E]; |
| 7729 | if (!TypoExprs.insert(E) && !CacheEntry.isUnset()) { |
| 7730 | return CacheEntry; |
| 7731 | } |
| 7732 | |
| 7733 | auto &State = SemaRef.getTypoExprState(E); |
| 7734 | (0) . __assert_fail ("State.Consumer && \"Cannot transform a cleared TypoExpr\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7734, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(State.Consumer && "Cannot transform a cleared TypoExpr"); |
| 7735 | |
| 7736 | |
| 7737 | |
| 7738 | while (TypoCorrection TC = State.Consumer->getNextCorrection()) { |
| 7739 | if (InitDecl && TC.getFoundDecl() == InitDecl) |
| 7740 | continue; |
| 7741 | |
| 7742 | |
| 7743 | ExprResult NE = State.RecoveryHandler ? |
| 7744 | State.RecoveryHandler(SemaRef, E, TC) : |
| 7745 | attemptRecovery(SemaRef, *State.Consumer, TC); |
| 7746 | if (!NE.isInvalid()) { |
| 7747 | |
| 7748 | |
| 7749 | |
| 7750 | TypoCorrection Next; |
| 7751 | if ((Next = State.Consumer->peekNextCorrection()) && |
| 7752 | Next.getEditDistance(false) == TC.getEditDistance(false)) { |
| 7753 | AmbiguousTypoExprs.insert(E); |
| 7754 | } else { |
| 7755 | AmbiguousTypoExprs.remove(E); |
| 7756 | } |
| 7757 | (0) . __assert_fail ("!NE.isUnset() && \"Typo was transformed into a valid-but-null ExprResult\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7758, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!NE.isUnset() && |
| 7758 | (0) . __assert_fail ("!NE.isUnset() && \"Typo was transformed into a valid-but-null ExprResult\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7758, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Typo was transformed into a valid-but-null ExprResult"); |
| 7759 | return CacheEntry = NE; |
| 7760 | } |
| 7761 | } |
| 7762 | return CacheEntry = ExprError(); |
| 7763 | } |
| 7764 | }; |
| 7765 | } |
| 7766 | |
| 7767 | ExprResult |
| 7768 | Sema::CorrectDelayedTyposInExpr(Expr *E, VarDecl *InitDecl, |
| 7769 | llvm::function_ref<ExprResult(Expr *)> Filter) { |
| 7770 | |
| 7771 | |
| 7772 | |
| 7773 | if (E && !ExprEvalContexts.empty() && ExprEvalContexts.back().NumTypos && |
| 7774 | (E->isTypeDependent() || E->isValueDependent() || |
| 7775 | E->isInstantiationDependent())) { |
| 7776 | auto TyposResolved = DelayedTypos.size(); |
| 7777 | auto Result = TransformTypos(*this, InitDecl, Filter).Transform(E); |
| 7778 | TyposResolved -= DelayedTypos.size(); |
| 7779 | if (Result.isInvalid() || Result.get() != E) { |
| 7780 | ExprEvalContexts.back().NumTypos -= TyposResolved; |
| 7781 | return Result; |
| 7782 | } |
| 7783 | (0) . __assert_fail ("TyposResolved == 0 && \"Corrected typo but got same Expr back?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/SemaExprCXX.cpp", 7783, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(TyposResolved == 0 && "Corrected typo but got same Expr back?"); |
| 7784 | } |
| 7785 | return E; |
| 7786 | } |
| 7787 | |
| 7788 | ExprResult Sema::ActOnFinishFullExpr(Expr *FE, SourceLocation CC, |
| 7789 | bool DiscardedValue, |
| 7790 | bool IsConstexpr) { |
| 7791 | ExprResult FullExpr = FE; |
| 7792 | |
| 7793 | if (!FullExpr.get()) |
| 7794 | return ExprError(); |
| 7795 | |
| 7796 | if (DiagnoseUnexpandedParameterPack(FullExpr.get())) |
| 7797 | return ExprError(); |
| 7798 | |
| 7799 | if (DiscardedValue) { |
| 7800 | |
| 7801 | if (getLangOpts().DebuggerCastResultToId && |
| 7802 | FullExpr.get()->getType() == Context.UnknownAnyTy) { |
| 7803 | FullExpr = forceUnknownAnyToType(FullExpr.get(), Context.getObjCIdType()); |
| 7804 | if (FullExpr.isInvalid()) |
| 7805 | return ExprError(); |
| 7806 | } |
| 7807 | |
| 7808 | FullExpr = CheckPlaceholderExpr(FullExpr.get()); |
| 7809 | if (FullExpr.isInvalid()) |
| 7810 | return ExprError(); |
| 7811 | |
| 7812 | FullExpr = IgnoredValueConversions(FullExpr.get()); |
| 7813 | if (FullExpr.isInvalid()) |
| 7814 | return ExprError(); |
| 7815 | |
| 7816 | DiagnoseUnusedExprResult(FullExpr.get()); |
| 7817 | } |
| 7818 | |
| 7819 | FullExpr = CorrectDelayedTyposInExpr(FullExpr.get()); |
| 7820 | if (FullExpr.isInvalid()) |
| 7821 | return ExprError(); |
| 7822 | |
| 7823 | CheckCompletedExpr(FullExpr.get(), CC, IsConstexpr); |
| 7824 | |
| 7825 | |
| 7826 | |
| 7827 | |
| 7828 | |
| 7829 | |
| 7830 | |
| 7831 | |
| 7832 | |
| 7833 | |
| 7834 | |
| 7835 | |
| 7836 | |
| 7837 | |
| 7838 | |
| 7839 | |
| 7840 | |
| 7841 | |
| 7842 | |
| 7843 | |
| 7844 | |
| 7845 | |
| 7846 | |
| 7847 | |
| 7848 | |
| 7849 | |
| 7850 | |
| 7851 | |
| 7852 | |
| 7853 | |
| 7854 | |
| 7855 | LambdaScopeInfo *const CurrentLSI = |
| 7856 | getCurLambda(); |
| 7857 | |
| 7858 | |
| 7859 | |
| 7860 | |
| 7861 | |
| 7862 | |
| 7863 | |
| 7864 | |
| 7865 | |
| 7866 | |
| 7867 | |
| 7868 | |
| 7869 | |
| 7870 | |
| 7871 | DeclContext *DC = CurContext; |
| 7872 | while (DC && isa<CapturedDecl>(DC)) |
| 7873 | DC = DC->getParent(); |
| 7874 | const bool IsInLambdaDeclContext = isLambdaCallOperator(DC); |
| 7875 | if (IsInLambdaDeclContext && CurrentLSI && |
| 7876 | CurrentLSI->hasPotentialCaptures() && !FullExpr.isInvalid()) |
| 7877 | CheckIfAnyEnclosingLambdasMustCaptureAnyPotentialCaptures(FE, CurrentLSI, |
| 7878 | *this); |
| 7879 | return MaybeCreateExprWithCleanups(FullExpr); |
| 7880 | } |
| 7881 | |
| 7882 | StmtResult Sema::ActOnFinishFullStmt(Stmt *FullStmt) { |
| 7883 | if (!FullStmt) return StmtError(); |
| 7884 | |
| 7885 | return MaybeCreateStmtWithCleanups(FullStmt); |
| 7886 | } |
| 7887 | |
| 7888 | Sema::IfExistsResult |
| 7889 | Sema::CheckMicrosoftIfExistsSymbol(Scope *S, |
| 7890 | CXXScopeSpec &SS, |
| 7891 | const DeclarationNameInfo &TargetNameInfo) { |
| 7892 | DeclarationName TargetName = TargetNameInfo.getName(); |
| 7893 | if (!TargetName) |
| 7894 | return IER_DoesNotExist; |
| 7895 | |
| 7896 | |
| 7897 | if (TargetName.isDependentName()) |
| 7898 | return IER_Dependent; |
| 7899 | |
| 7900 | |
| 7901 | LookupResult R(*this, TargetNameInfo, Sema::LookupAnyName, |
| 7902 | Sema::NotForRedeclaration); |
| 7903 | LookupParsedName(R, S, &SS); |
| 7904 | R.suppressDiagnostics(); |
| 7905 | |
| 7906 | switch (R.getResultKind()) { |
| 7907 | case LookupResult::Found: |
| 7908 | case LookupResult::FoundOverloaded: |
| 7909 | case LookupResult::FoundUnresolvedValue: |
| 7910 | case LookupResult::Ambiguous: |
| 7911 | return IER_Exists; |
| 7912 | |
| 7913 | case LookupResult::NotFound: |
| 7914 | return IER_DoesNotExist; |
| 7915 | |
| 7916 | case LookupResult::NotFoundInCurrentInstantiation: |
| 7917 | return IER_Dependent; |
| 7918 | } |
| 7919 | |
| 7920 | llvm_unreachable("Invalid LookupResult Kind!"); |
| 7921 | } |
| 7922 | |
| 7923 | Sema::IfExistsResult |
| 7924 | Sema::CheckMicrosoftIfExistsSymbol(Scope *S, SourceLocation KeywordLoc, |
| 7925 | bool IsIfExists, CXXScopeSpec &SS, |
| 7926 | UnqualifiedId &Name) { |
| 7927 | DeclarationNameInfo TargetNameInfo = GetNameFromUnqualifiedId(Name); |
| 7928 | |
| 7929 | |
| 7930 | auto UPPC = IsIfExists ? UPPC_IfExists : UPPC_IfNotExists; |
| 7931 | if (DiagnoseUnexpandedParameterPack(SS, UPPC) || |
| 7932 | DiagnoseUnexpandedParameterPack(TargetNameInfo, UPPC)) |
| 7933 | return IER_Error; |
| 7934 | |
| 7935 | return CheckMicrosoftIfExistsSymbol(S, SS, TargetNameInfo); |
| 7936 | } |
| 7937 | |