[C++11] Replacing ObjCObjectPointerType iterators qual_begin() and qual_end() with iterator_range quals(). Updating all of the usages of the iterators with range-based for loops.

llvm-svn: 204048

6 files changed, 38 insertions, 77 deletions

diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h
index fa089124115..001a87ec283 100644
--- a/clang/include/clang/AST/Type.h
+++ b/clang/include/clang/AST/Type.h
@@ -4554,7 +4554,9 @@ public:
   /// for convenience.  This will always iterate over the full set of
   /// protocols on a type, not just those provided directly.
   typedef ObjCObjectType::qual_iterator qual_iterator;
+  typedef llvm::iterator_range<qual_iterator> qual_range;
 
+  qual_range quals() const { return qual_range(qual_begin(), qual_end()); }
   qual_iterator qual_begin() const {
     return getObjectType()->qual_begin();
   }
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index ce12b2f4cb4..c02150a6bc6 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3514,9 +3514,7 @@ bool ASTContext::ObjCObjectAdoptsQTypeProtocols(QualType QT,
   
   if (const ObjCObjectPointerType *OPT = QT->getAs<ObjCObjectPointerType>()) {
     // If both the right and left sides have qualifiers.
-    for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-         E = OPT->qual_end(); I != E; ++I) {
-      ObjCProtocolDecl *Proto = *I;
+    for (auto *Proto : OPT->quals()) {
       if (!IC->ClassImplementsProtocol(Proto, false))
         return false;
     }
@@ -3542,16 +3540,12 @@ bool ASTContext::QIdProtocolsAdoptObjCObjectProtocols(QualType QT,
   if (InheritedProtocols.empty())
     return false;
       
-  for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator PI =
-       InheritedProtocols.begin(),
-       E = InheritedProtocols.end(); PI != E; ++PI) {
+  for (auto *PI : InheritedProtocols) {
     // If both the right and left sides have qualifiers.
     bool Adopts = false;
-    for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-         E = OPT->qual_end(); I != E; ++I) {
-      ObjCProtocolDecl *Proto = *I;
+    for (auto *Proto : OPT->quals()) {
       // return 'true' if '*PI' is in the inheritance hierarchy of Proto
-      if ((Adopts = ProtocolCompatibleWithProtocol(*PI, Proto)))
+      if ((Adopts = ProtocolCompatibleWithProtocol(PI, Proto)))
         break;
     }
     if (!Adopts)
@@ -5455,10 +5449,9 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
         // Note that we do extended encoding of protocol qualifer list
         // Only when doing ivar or property encoding.
         S += '"';
-        for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-             E = OPT->qual_end(); I != E; ++I) {
+        for (const auto *I : OPT->quals()) {
           S += '<';
-          S += (*I)->getNameAsString();
+          S += I->getNameAsString();
           S += '>';
         }
         S += '"';
@@ -5501,10 +5494,9 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
         (FD || EncodingProperty || EncodeClassNames)) {
       S += '"';
       S += OPT->getInterfaceDecl()->getIdentifier()->getName();
-      for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-           E = OPT->qual_end(); I != E; ++I) {
+      for (const auto *I : OPT->quals()) {
         S += '<';
-        S += (*I)->getNameAsString();
+        S += I->getNameAsString();
         S += '>';
       }
       S += '"';
@@ -6377,13 +6369,9 @@ bool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs,
   const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>();
   assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible");
   
-  for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
-       E = lhsQID->qual_end(); I != E; ++I) {
+  for (auto *lhsProto : lhsQID->quals()) {
     bool match = false;
-    ObjCProtocolDecl *lhsProto = *I;
-    for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(),
-         E = rhsOPT->qual_end(); J != E; ++J) {
-      ObjCProtocolDecl *rhsProto = *J;
+    for (auto *rhsProto : rhsOPT->quals()) {
       if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) {
         match = true;
         break;
@@ -6416,12 +6404,11 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
       // If the RHS is a unqualified interface pointer "NSString*",
       // make sure we check the class hierarchy.
       if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) {
-        for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
-             E = lhsQID->qual_end(); I != E; ++I) {
+        for (auto *I : lhsQID->quals()) {
           // when comparing an id<P> on lhs with a static type on rhs,
           // see if static class implements all of id's protocols, directly or
           // through its super class and categories.
-          if (!rhsID->ClassImplementsProtocol(*I, true))
+          if (!rhsID->ClassImplementsProtocol(I, true))
             return false;
         }
       }
@@ -6429,17 +6416,13 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
       return true;
     }
     // Both the right and left sides have qualifiers.
-    for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
-         E = lhsQID->qual_end(); I != E; ++I) {
-      ObjCProtocolDecl *lhsProto = *I;
+    for (auto *lhsProto : lhsQID->quals()) {
       bool match = false;
 
       // when comparing an id<P> on lhs with a static type on rhs,
       // see if static class implements all of id's protocols, directly or
       // through its super class and categories.
-      for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(),
-           E = rhsOPT->qual_end(); J != E; ++J) {
-        ObjCProtocolDecl *rhsProto = *J;
+      for (auto *rhsProto : rhsOPT->quals()) {
         if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
             (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
           match = true;
@@ -6449,12 +6432,11 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
       // If the RHS is a qualified interface pointer "NSString<P>*",
       // make sure we check the class hierarchy.
       if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) {
-        for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
-             E = lhsQID->qual_end(); I != E; ++I) {
+        for (auto *I : lhsQID->quals()) {
           // when comparing an id<P> on lhs with a static type on rhs,
           // see if static class implements all of id's protocols, directly or
           // through its super class and categories.
-          if (rhsID->ClassImplementsProtocol(*I, true)) {
+          if (rhsID->ClassImplementsProtocol(I, true)) {
             match = true;
             break;
           }
@@ -6473,9 +6455,7 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
   if (const ObjCObjectPointerType *lhsOPT =
         lhs->getAsObjCInterfacePointerType()) {
     // If both the right and left sides have qualifiers.
-    for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(),
-         E = lhsOPT->qual_end(); I != E; ++I) {
-      ObjCProtocolDecl *lhsProto = *I;
+    for (auto *lhsProto : lhsOPT->quals()) {
       bool match = false;
 
       // when comparing an id<P> on rhs with a static type on lhs,
@@ -6483,9 +6463,7 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
       // through its super class and categories.
       // First, lhs protocols in the qualifier list must be found, direct
       // or indirect in rhs's qualifier list or it is a mismatch.
-      for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(),
-           E = rhsQID->qual_end(); J != E; ++J) {
-        ObjCProtocolDecl *rhsProto = *J;
+      for (auto *rhsProto : rhsQID->quals()) {
         if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
             (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
           match = true;
@@ -6506,14 +6484,9 @@ bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
       // assume that it is mismatch.
       if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty())
         return false;
-      for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I =
-           LHSInheritedProtocols.begin(),
-           E = LHSInheritedProtocols.end(); I != E; ++I) {
+      for (auto *lhsProto : LHSInheritedProtocols) {
         bool match = false;
-        ObjCProtocolDecl *lhsProto = (*I);
-        for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(),
-             E = rhsQID->qual_end(); J != E; ++J) {
-          ObjCProtocolDecl *rhsProto = *J;
+        for (auto *rhsProto : rhsQID->quals()) {
           if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
               (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
             match = true;
diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index b3bc7b3169d..fe32382226a 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -3604,10 +3604,8 @@ void Sema::CodeCompleteMemberReferenceExpr(Scope *S, Expr *Base,
                       AddedProperties, Results);
     
     // Add properties from the protocols in a qualified interface.
-    for (ObjCObjectPointerType::qual_iterator I = ObjCPtr->qual_begin(),
-                                              E = ObjCPtr->qual_end();
-         I != E; ++I)
-      AddObjCProperties(*I, true, /*AllowNullaryMethods=*/true, CurContext, 
+    for (auto *I : ObjCPtr->quals())
+      AddObjCProperties(I, true, /*AllowNullaryMethods=*/true, CurContext, 
                         AddedProperties, Results);
   } else if ((IsArrow && BaseType->isObjCObjectPointerType()) ||
              (!IsArrow && BaseType->isObjCObjectType())) {
@@ -5530,10 +5528,8 @@ void Sema::CodeCompleteObjCInstanceMessage(Scope *S, Expr *Receiver,
   else if (const ObjCObjectPointerType *QualID
              = ReceiverType->getAsObjCQualifiedIdType()) {
     // Search protocols for instance methods.
-    for (ObjCObjectPointerType::qual_iterator I = QualID->qual_begin(),
-                                              E = QualID->qual_end(); 
-         I != E; ++I)
-      AddObjCMethods(*I, true, MK_Any, SelIdents, CurContext,
+    for (auto *I : QualID->quals())
+      AddObjCMethods(I, true, MK_Any, SelIdents, CurContext,
                      Selectors, AtArgumentExpression, Results);
   }
   // Handle messages to a pointer to interface type.
@@ -5545,10 +5541,8 @@ void Sema::CodeCompleteObjCInstanceMessage(Scope *S, Expr *Receiver,
                    Results);
     
     // Search protocols for instance methods.
-    for (ObjCObjectPointerType::qual_iterator I = IFacePtr->qual_begin(),
-         E = IFacePtr->qual_end(); 
-         I != E; ++I)
-      AddObjCMethods(*I, true, MK_Any, SelIdents, CurContext,
+    for (auto *I : IFacePtr->quals())
+      AddObjCMethods(I, true, MK_Any, SelIdents, CurContext,
                      Selectors, AtArgumentExpression, Results);
   }
   // Handle messages to "id".
diff --git a/clang/lib/Sema/SemaExprMember.cpp b/clang/lib/Sema/SemaExprMember.cpp
index 4e9d250d4a4..9f1ac516ea9 100644
--- a/clang/lib/Sema/SemaExprMember.cpp
+++ b/clang/lib/Sema/SemaExprMember.cpp
@@ -398,25 +398,22 @@ static Decl *FindGetterSetterNameDecl(const ObjCObjectPointerType *QIdTy,
                                       ASTContext &Context) {
   // Check protocols on qualified interfaces.
   Decl *GDecl = 0;
-  for (ObjCObjectPointerType::qual_iterator I = QIdTy->qual_begin(),
-       E = QIdTy->qual_end(); I != E; ++I) {
+  for (const auto *I : QIdTy->quals()) {
     if (Member)
-      if (ObjCPropertyDecl *PD = (*I)->FindPropertyDeclaration(Member)) {
+      if (ObjCPropertyDecl *PD = I->FindPropertyDeclaration(Member)) {
         GDecl = PD;
         break;
       }
     // Also must look for a getter or setter name which uses property syntax.
-    if (ObjCMethodDecl *OMD = (*I)->getInstanceMethod(Sel)) {
+    if (ObjCMethodDecl *OMD = I->getInstanceMethod(Sel)) {
       GDecl = OMD;
       break;
     }
   }
   if (!GDecl) {
-    for (ObjCObjectPointerType::qual_iterator I = QIdTy->qual_begin(),
-         E = QIdTy->qual_end(); I != E; ++I) {
+    for (const auto *I : QIdTy->quals()) {
       // Search in the protocol-qualifier list of current protocol.
-      GDecl = FindGetterSetterNameDeclFromProtocolList(*I, Member, Sel, 
-                                                       Context);
+      GDecl = FindGetterSetterNameDeclFromProtocolList(I, Member, Sel, Context);
       if (GDecl)
         return GDecl;
     }
diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index 8ca446a2f32..7a3aa46ae6b 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -1478,9 +1478,7 @@ ObjCMethodDecl *Sema::LookupMethodInQualifiedType(Selector Sel,
                                               bool Instance)
 {
   ObjCMethodDecl *MD = 0;
-  for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-       E = OPT->qual_end(); I != E; ++I) {
-    ObjCProtocolDecl *PROTO = (*I);
+  for (const auto *PROTO : OPT->quals()) {
     if ((MD = PROTO->lookupMethod(Sel, Instance))) {
       return MD;
     }
@@ -1589,9 +1587,8 @@ HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT,
                                                      MemberLoc, BaseExpr));
   }
   // Check protocols on qualified interfaces.
-  for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
-       E = OPT->qual_end(); I != E; ++I)
-    if (ObjCPropertyDecl *PD = (*I)->FindPropertyDeclaration(Member)) {
+  for (const auto *I : OPT->quals())
+    if (ObjCPropertyDecl *PD = I->FindPropertyDeclaration(Member)) {
       // Check whether we can reference this property.
       if (DiagnoseUseOfDecl(PD, MemberLoc))
         return ExprError();
diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index 8495c97e4ea..6e8de5875a2 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -4072,10 +4072,8 @@ TypoCorrection Sema::CorrectTypo(const DeclarationNameInfo &TypoName,
 
     // Look in qualified interfaces.
     if (OPT) {
-      for (ObjCObjectPointerType::qual_iterator
-             I = OPT->qual_begin(), E = OPT->qual_end();
-           I != E; ++I)
-        LookupVisibleDecls(*I, LookupKind, Consumer);
+      for (auto *I : OPT->quals())
+        LookupVisibleDecls(I, LookupKind, Consumer);
     }
   } else if (SS && SS->isSet()) {
     QualifiedDC = computeDeclContext(*SS, EnteringContext);