[C++11] Replacing iterators ddiag_begin() and ddiag_end() with iterator_range ddiags(). Updating all of the usages of the iterators with range-based for loops.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203240 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 8 insertions, 12 deletions

diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 8be3b8c81a..395fb67026 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -1589,8 +1589,9 @@ public:
 
   // These are all defined in DependentDiagnostic.h.
   class ddiag_iterator;
-  inline ddiag_iterator ddiag_begin() const;
-  inline ddiag_iterator ddiag_end() const;
+  typedef llvm::iterator_range<DeclContext::ddiag_iterator> ddiag_range;
+
+  inline ddiag_range ddiags() const;
 
   // Low-level accessors
     
diff --git a/include/clang/AST/DependentDiagnostic.h b/include/clang/AST/DependentDiagnostic.h
index 004b45da0f..0c783d2428 100644
--- a/include/clang/AST/DependentDiagnostic.h
+++ b/include/clang/AST/DependentDiagnostic.h
@@ -171,18 +171,16 @@ private:
   DependentDiagnostic *Ptr;
 };
 
-inline DeclContext::ddiag_iterator DeclContext::ddiag_begin() const {
+inline DeclContext::ddiag_range DeclContext::ddiags() const {
   assert(isDependentContext()
          && "cannot iterate dependent diagnostics of non-dependent context");
   const DependentStoredDeclsMap *Map
     = static_cast<DependentStoredDeclsMap*>(getPrimaryContext()->getLookupPtr());
 
-  if (!Map) return ddiag_iterator();
-  return ddiag_iterator(Map->FirstDiagnostic);
-}
+  if (!Map)
+    return ddiag_range();
 
-inline DeclContext::ddiag_iterator DeclContext::ddiag_end() const {
-  return ddiag_iterator();
+  return ddiag_range(ddiag_iterator(Map->FirstDiagnostic), ddiag_iterator());
 }
 
 }
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index a912f34f20..5ce43da9eb 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4674,10 +4674,7 @@ void Sema::PerformPendingInstantiations(bool LocalOnly) {
 
 void Sema::PerformDependentDiagnostics(const DeclContext *Pattern,
                        const MultiLevelTemplateArgumentList &TemplateArgs) {
-  for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(),
-         E = Pattern->ddiag_end(); I != E; ++I) {
-    DependentDiagnostic *DD = *I;
-
+  for (auto DD : Pattern->ddiags()) {
     switch (DD->getKind()) {
     case DependentDiagnostic::Access:
       HandleDependentAccessCheck(*DD, TemplateArgs);