Convert ObjC qualified type clients over to using iterators.

This allows me to remove some API that I don't want to carry over to ObjCObjectPointerType.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72475 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index e850960..c168e98 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -2350,10 +2350,10 @@
       // Only when doing ivar or property encoding.
       const ObjCQualifiedIdType *QIDT = T->getAsObjCQualifiedIdType();
       S += '"';
-      for (unsigned i =0; i < QIDT->getNumProtocols(); i++) {
-        ObjCProtocolDecl *Proto = QIDT->getProtocols(i);
+      for (ObjCQualifiedIdType::qual_iterator I = QIDT->qual_begin(),
+           E = QIDT->qual_end(); I != E; ++I) {
         S += '<';
-        S += Proto->getNameAsString();
+        S += (*I)->getNameAsString();
         S += '>';
       }
       S += '"';
@@ -2416,10 +2416,10 @@
         ObjCInterfaceDecl *OI = OIT->getDecl();
         S += '"';
         S += OI->getNameAsCString();
-        for (unsigned i =0; i < OIT->getNumProtocols(); i++) {
-          ObjCProtocolDecl *Proto = OIT->getProtocol(i);
+        for (ObjCInterfaceType::qual_iterator I = OIT->qual_begin(),
+             E = OIT->qual_end(); I != E; ++I) {
           S += '<';
-          S += Proto->getNameAsString();
+          S += (*I)->getNameAsString();
           S += '>';
         } 
         S += '"';
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index fd498d5..6093352 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -1531,10 +1531,9 @@
     InnerString = ' ' + InnerString;
   std::string ObjCQIString = "id";
   ObjCQIString += '<';
-  int num = getNumProtocols();
-  for (int i = 0; i < num; i++) {
-    ObjCQIString += getProtocols(i)->getNameAsString();
-    if (i < num-1)
+  for (qual_iterator I = qual_begin(), E = qual_end(); I != E; ++I) {
+    ObjCQIString += (*I)->getNameAsString();
+    if (I+1 != E)
       ObjCQIString += ',';
   }
   ObjCQIString += '>';
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 6769d8c..2d3ca17 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -218,15 +218,17 @@
                                       const ObjCQualifiedInterfaceType *T) {
   VisitObjCInterfaceType(T);
   Record.push_back(T->getNumProtocols());
-  for (unsigned I = 0, N = T->getNumProtocols(); I != N; ++I)
-    Writer.AddDeclRef(T->getProtocol(I), Record);
+  for (ObjCInterfaceType::qual_iterator I = T->qual_begin(),
+       E = T->qual_end(); I != E; ++I)
+    Writer.AddDeclRef(*I, Record);
   Code = pch::TYPE_OBJC_QUALIFIED_INTERFACE;
 }
 
 void PCHTypeWriter::VisitObjCQualifiedIdType(const ObjCQualifiedIdType *T) {
   Record.push_back(T->getNumProtocols());
-  for (unsigned I = 0, N = T->getNumProtocols(); I != N; ++I)
-    Writer.AddDeclRef(T->getProtocols(I), Record);
+  for (ObjCQualifiedIdType::qual_iterator I = T->qual_begin(),
+       E = T->qual_end(); I != E; ++I)
+    Writer.AddDeclRef(*I, Record);
   Code = pch::TYPE_OBJC_QUALIFIED_ID;
 }
 
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 3bee461..eabc87d 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -571,10 +571,11 @@
   
   // We allow sending a message to a qualified ID ("id<foo>"), which is ok as 
   // long as one of the protocols implements the selector (if not, warn).
-  if (ObjCQualifiedIdType *QIT = dyn_cast<ObjCQualifiedIdType>(ReceiverCType)) {
+  if (ObjCQualifiedIdType *QIdTy = dyn_cast<ObjCQualifiedIdType>(ReceiverCType)) {
     // Search protocols for instance methods.
-    for (unsigned i = 0; i < QIT->getNumProtocols(); i++) {
-      ObjCProtocolDecl *PDecl = QIT->getProtocols(i);
+    for (ObjCQualifiedIdType::qual_iterator I = QIdTy->qual_begin(),
+         E = QIdTy->qual_end(); I != E; ++I) {
+      ObjCProtocolDecl *PDecl = *I;
       if (PDecl && (Method = PDecl->lookupInstanceMethod(Context, Sel)))
         break;
       // Since we aren't supporting "Class<foo>", look for a class method.
@@ -750,11 +751,12 @@
         // make sure we check the class hierarchy.
         if (const ObjCInterfaceType *IT = rtype->getAsObjCInterfaceType()) {
           ObjCInterfaceDecl *rhsID = IT->getDecl();
-          for (unsigned i = 0; i != lhsQID->getNumProtocols(); ++i) {
+          for (ObjCQualifiedIdType::qual_iterator I = lhsQID->qual_begin(),
+               E = lhsQID->qual_end(); I != E; ++I) {
             // 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 (!ClassImplementsProtocol(lhsQID->getProtocols(i), rhsID, true))
+            if (!ClassImplementsProtocol(*I, rhsID, true))
               return false;
           }
           return true;
@@ -773,8 +775,9 @@
       return false;
     }
     
-    for (unsigned i =0; i < lhsQID->getNumProtocols(); i++) {
-      ObjCProtocolDecl *lhsProto = lhsQID->getProtocols(i);
+    for (ObjCQualifiedIdType::qual_iterator I = lhsQID->qual_begin(),
+         E = lhsQID->qual_end(); I != E; ++I) {
+      ObjCProtocolDecl *lhsProto = *I;
       bool match = false;
 
       // when comparing an id<P> on lhs with a static type on rhs,
@@ -793,11 +796,12 @@
         // make sure we check the class hierarchy.
         if (const ObjCInterfaceType *IT = rtype->getAsObjCInterfaceType()) {
           ObjCInterfaceDecl *rhsID = IT->getDecl();
-          for (unsigned i = 0; i != lhsQID->getNumProtocols(); ++i) {
+          for (ObjCQualifiedIdType::qual_iterator I = lhsQID->qual_begin(),
+               E = lhsQID->qual_end(); I != E; ++I) {
             // 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 (ClassImplementsProtocol(lhsQID->getProtocols(i), rhsID, true)) {
+            if (ClassImplementsProtocol(*I, rhsID, true)) {
               match = true;
               break;
             }
@@ -825,8 +829,9 @@
     for (; LHSProtoI != LHSProtoE; ++LHSProtoI) {
       bool match = false;
       ObjCProtocolDecl *lhsProto = *LHSProtoI;
-      for (unsigned j = 0; j < rhsQID->getNumProtocols(); j++) {
-        ObjCProtocolDecl *rhsProto = rhsQID->getProtocols(j);
+      for (ObjCQualifiedIdType::qual_iterator I = rhsQID->qual_begin(),
+           E = rhsQID->qual_end(); I != E; ++I) {
+        ObjCProtocolDecl *rhsProto = *I;
         if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
             (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
           match = true;
@@ -843,9 +848,9 @@
     // for static type vs. qualified 'id' type, check that class implements
     // all of 'id's protocols.
     ObjCInterfaceDecl *lhsID = IT->getDecl();
-    for (unsigned j = 0; j < rhsQID->getNumProtocols(); j++) {
-      ObjCProtocolDecl *rhsProto = rhsQID->getProtocols(j);
-      if (!ClassImplementsProtocol(rhsProto, lhsID, compare, true))
+    for (ObjCQualifiedIdType::qual_iterator I = rhsQID->qual_begin(),
+         E = rhsQID->qual_end(); I != E; ++I) {
+      if (!ClassImplementsProtocol(*I, lhsID, compare, true))
         return false;
     }
     return true;