diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/AST/ExprClassification.cpp | 3 | ||||
-rw-r--r-- | lib/Sema/SemaExpr.cpp | 45 |
2 files changed, 34 insertions, 14 deletions
diff --git a/lib/AST/ExprClassification.cpp b/lib/AST/ExprClassification.cpp index 6ca18a21dd..b62a00f98e 100644 --- a/lib/AST/ExprClassification.cpp +++ b/lib/AST/ExprClassification.cpp @@ -478,7 +478,8 @@ static Cl::ModifiableType IsModifiable(ASTContext &Ctx, const Expr *E, // Records with any const fields (recursively) are not modifiable. if (const RecordType *R = CT->getAs<RecordType>()) { - assert((isa<ObjCImplicitSetterGetterRefExpr>(E) || + assert((isa<ObjCImplicitSetterGetterRefExpr>(E) || + isa<ObjCPropertyRefExpr>(E) || !Ctx.getLangOptions().CPlusPlus) && "C++ struct assignment should be resolved by the " "copy assignment operator."); diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index 533d04f7ec..a99d118d2b 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -6016,17 +6016,7 @@ QualType Sema::CheckAssignmentOperands(Expr *LHS, Expr *&RHS, if (CompoundType.isNull()) { QualType LHSTy(LHSType); // Simple assignment "x = y". - if (const ObjCImplicitSetterGetterRefExpr *OISGE = - dyn_cast<ObjCImplicitSetterGetterRefExpr>(LHS)) { - // If using property-dot syntax notation for assignment, and there is a - // setter, RHS expression is being passed to the setter argument. So, - // type conversion (and comparison) is RHS to setter's argument type. - if (const ObjCMethodDecl *SetterMD = OISGE->getSetterMethod()) { - ObjCMethodDecl::param_iterator P = SetterMD->param_begin(); - LHSTy = (*P)->getType(); - } - } - + ConvertPropertyAssignment(LHS, RHS, LHSTy); ConvTy = CheckSingleAssignmentConstraints(LHSTy, RHS); // Special case of NSObject attributes on c-style pointer types. if (ConvTy == IncompatiblePointer && @@ -6181,6 +6171,34 @@ QualType Sema::CheckIncrementDecrementOperand(Expr *Op, SourceLocation OpLoc, ? ResType : ResType.getUnqualifiedType(); } +void Sema::ConvertPropertyAssignment(Expr *LHS, Expr *&RHS, QualType& LHSTy) { + bool copyInit = false; + if (const ObjCImplicitSetterGetterRefExpr *OISGE = + dyn_cast<ObjCImplicitSetterGetterRefExpr>(LHS)) { + // If using property-dot syntax notation for assignment, and there is a + // setter, RHS expression is being passed to the setter argument. So, + // type conversion (and comparison) is RHS to setter's argument type. + if (const ObjCMethodDecl *SetterMD = OISGE->getSetterMethod()) { + ObjCMethodDecl::param_iterator P = SetterMD->param_begin(); + LHSTy = (*P)->getType(); + } + copyInit = (getLangOptions().CPlusPlus && LHSTy->isRecordType()); + } + else + copyInit = (getLangOptions().CPlusPlus && isa<ObjCPropertyRefExpr>(LHS) && + LHSTy->isRecordType()); + if (copyInit) { + InitializedEntity Entity = + InitializedEntity::InitializeParameter(LHSTy); + Expr *Arg = RHS; + ExprResult ArgE = PerformCopyInitialization(Entity, SourceLocation(), + Owned(Arg)); + if (!ArgE.isInvalid()) + RHS = ArgE.takeAs<Expr>(); + } +} + + /// getPrimaryDecl - Helper function for CheckAddressOfOperand(). /// This routine allows us to typecheck complex/recursive expressions /// where the declaration is needed for type checking. We only need to @@ -6698,8 +6716,9 @@ ExprResult Sema::BuildBinOp(Scope *S, SourceLocation OpLoc, BinaryOperatorKind Opc, Expr *lhs, Expr *rhs) { if (getLangOptions().CPlusPlus && - (!isa<ObjCImplicitSetterGetterRefExpr>(lhs) || - rhs->isTypeDependent()) && + ((!isa<ObjCImplicitSetterGetterRefExpr>(lhs) && + !isa<ObjCPropertyRefExpr>(lhs)) + || rhs->isTypeDependent()) && (lhs->getType()->isOverloadableType() || rhs->getType()->isOverloadableType())) { // Find all of the overloaded operators visible from this |