diff options
Diffstat (limited to 'lib/AST/Expr.cpp')
-rw-r--r-- | lib/AST/Expr.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp index 9c9c7baf8e..e35091a101 100644 --- a/lib/AST/Expr.cpp +++ b/lib/AST/Expr.cpp @@ -2089,6 +2089,16 @@ Expr::CanThrowResult Expr::CanThrow(ASTContext &C) const { // specs. case ObjCMessageExprClass: case ObjCPropertyRefExprClass: + case ObjCSubscriptRefExprClass: + return CT_Can; + + // All the ObjC literals that are implemented as calls are + // potentially throwing unless we decide to close off that + // possibility. + case ObjCArrayLiteralClass: + case ObjCBoolLiteralExprClass: + case ObjCDictionaryLiteralClass: + case ObjCNumericLiteralClass: return CT_Can; // Many other things have subexpressions, so we have to test those. @@ -3637,6 +3647,117 @@ BlockDeclRefExpr::BlockDeclRefExpr(VarDecl *d, QualType t, ExprValueKind VK, ExprBits.InstantiationDependent = InstantiationDependent; } +ObjCArrayLiteral::ObjCArrayLiteral(llvm::ArrayRef<Expr *> Elements, + QualType T, ObjCMethodDecl *Method, + SourceRange SR) + : Expr(ObjCArrayLiteralClass, T, VK_RValue, OK_Ordinary, + false, false, false, false), + NumElements(Elements.size()), Range(SR), ArrayWithObjectsMethod(Method) +{ + Expr **SaveElements = getElements(); + for (unsigned I = 0, N = Elements.size(); I != N; ++I) { + if (Elements[I]->isTypeDependent() || Elements[I]->isValueDependent()) + ExprBits.ValueDependent = true; + if (Elements[I]->isInstantiationDependent()) + ExprBits.InstantiationDependent = true; + if (Elements[I]->containsUnexpandedParameterPack()) + ExprBits.ContainsUnexpandedParameterPack = true; + + SaveElements[I] = Elements[I]; + } +} + +ObjCArrayLiteral *ObjCArrayLiteral::Create(ASTContext &C, + llvm::ArrayRef<Expr *> Elements, + QualType T, ObjCMethodDecl * Method, + SourceRange SR) { + void *Mem = C.Allocate(sizeof(ObjCArrayLiteral) + + Elements.size() * sizeof(Expr *)); + return new (Mem) ObjCArrayLiteral(Elements, T, Method, SR); +} + +ObjCArrayLiteral *ObjCArrayLiteral::CreateEmpty(ASTContext &C, + unsigned NumElements) { + + void *Mem = C.Allocate(sizeof(ObjCArrayLiteral) + + NumElements * sizeof(Expr *)); + return new (Mem) ObjCArrayLiteral(EmptyShell(), NumElements); +} + +ObjCDictionaryLiteral::ObjCDictionaryLiteral( + ArrayRef<ObjCDictionaryElement> VK, + bool HasPackExpansions, + QualType T, ObjCMethodDecl *method, + SourceRange SR) + : Expr(ObjCDictionaryLiteralClass, T, VK_RValue, OK_Ordinary, false, false, + false, false), + NumElements(VK.size()), HasPackExpansions(HasPackExpansions), Range(SR), + DictWithObjectsMethod(method) +{ + KeyValuePair *KeyValues = getKeyValues(); + ExpansionData *Expansions = getExpansionData(); + for (unsigned I = 0; I < NumElements; I++) { + if (VK[I].Key->isTypeDependent() || VK[I].Key->isValueDependent() || + VK[I].Value->isTypeDependent() || VK[I].Value->isValueDependent()) + ExprBits.ValueDependent = true; + if (VK[I].Key->isInstantiationDependent() || + VK[I].Value->isInstantiationDependent()) + ExprBits.InstantiationDependent = true; + if (VK[I].EllipsisLoc.isInvalid() && + (VK[I].Key->containsUnexpandedParameterPack() || + VK[I].Value->containsUnexpandedParameterPack())) + ExprBits.ContainsUnexpandedParameterPack = true; + + KeyValues[I].Key = VK[I].Key; + KeyValues[I].Value = VK[I].Value; + if (Expansions) { + Expansions[I].EllipsisLoc = VK[I].EllipsisLoc; + if (VK[I].NumExpansions) + Expansions[I].NumExpansionsPlusOne = *VK[I].NumExpansions + 1; + else + Expansions[I].NumExpansionsPlusOne = 0; + } + } +} + +ObjCDictionaryLiteral * +ObjCDictionaryLiteral::Create(ASTContext &C, + ArrayRef<ObjCDictionaryElement> VK, + bool HasPackExpansions, + QualType T, ObjCMethodDecl *method, + SourceRange SR) { + unsigned ExpansionsSize = 0; + if (HasPackExpansions) + ExpansionsSize = sizeof(ExpansionData) * VK.size(); + + void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) + + sizeof(KeyValuePair) * VK.size() + ExpansionsSize); + return new (Mem) ObjCDictionaryLiteral(VK, HasPackExpansions, T, method, SR); +} + +ObjCDictionaryLiteral * +ObjCDictionaryLiteral::CreateEmpty(ASTContext &C, unsigned NumElements, + bool HasPackExpansions) { + unsigned ExpansionsSize = 0; + if (HasPackExpansions) + ExpansionsSize = sizeof(ExpansionData) * NumElements; + void *Mem = C.Allocate(sizeof(ObjCDictionaryLiteral) + + sizeof(KeyValuePair) * NumElements + ExpansionsSize); + return new (Mem) ObjCDictionaryLiteral(EmptyShell(), NumElements, + HasPackExpansions); +} + +ObjCSubscriptRefExpr *ObjCSubscriptRefExpr::Create(ASTContext &C, + Expr *base, + Expr *key, QualType T, + ObjCMethodDecl *getMethod, + ObjCMethodDecl *setMethod, + SourceLocation RB) { + void *Mem = C.Allocate(sizeof(ObjCSubscriptRefExpr)); + return new (Mem) ObjCSubscriptRefExpr(base, key, T, VK_LValue, + OK_ObjCSubscript, + getMethod, setMethod, RB); +} AtomicExpr::AtomicExpr(SourceLocation BLoc, Expr **args, unsigned nexpr, QualType t, AtomicOp op, SourceLocation RP) |