[C++11] Replacing Scope iterators decl_begin() and decl_end() with iterator_range decls(). Updating all of the usages of the iterators with range-based for loops, and removing the no-longer-needed iterator versions.

llvm-svn: 204052
diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index fe32382..d44c04b 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -4335,9 +4335,8 @@
   
   // Look for other capturable variables.
   for (; S && !isNamespaceScope(S); S = S->getParent()) {
-    for (Scope::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
-         D != DEnd; ++D) {
-      VarDecl *Var = dyn_cast<VarDecl>(*D);
+    for (const auto *D : S->decls()) {
+      const auto *Var = dyn_cast<VarDecl>(D);
       if (!Var ||
           !Var->hasLocalStorage() ||
           Var->hasAttr<BlocksAttr>())
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 58fe722..2e8392f 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1375,9 +1375,7 @@
   assert((S->getFlags() & (Scope::DeclScope | Scope::TemplateParamScope)) &&
          "Scope shouldn't contain decls!");
 
-  for (Scope::decl_iterator I = S->decl_begin(), E = S->decl_end();
-       I != E; ++I) {
-    Decl *TmpD = (*I);
+  for (auto *TmpD : S->decls()) {
     assert(TmpD && "This decl didn't get pushed??");
 
     assert(isa<NamedDecl>(TmpD) && "Decl isn't NamedDecl?");
diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index 6e8de58..3adea40 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -3190,9 +3190,8 @@
       (S->getEntity())->isFunctionOrMethod()) {
     FindLocalExternScope FindLocals(Result);
     // Walk through the declarations in this Scope.
-    for (Scope::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
-         D != DEnd; ++D) {
-      if (NamedDecl *ND = dyn_cast<NamedDecl>(*D))
+    for (auto *D : S->decls()) {
+      if (NamedDecl *ND = dyn_cast<NamedDecl>(D))
         if ((ND = Result.getAcceptableDecl(ND))) {
           Consumer.FoundDecl(ND, Visited.checkHidden(ND), 0, false);
           Visited.add(ND);