Rename CXXQualifiedMemberExpr -> CXXAdornedMemberExpr, since we will
also be adding explicit template arguments as an additional
"adornment". No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80628 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index c890812..6bc4854 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/AST/Expr.h"
+#include "clang/AST/ExprCXX.h"
 #include "clang/AST/APValue.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/DeclObjC.h"
@@ -497,7 +498,7 @@
   }
 
   case MemberExprClass:
-  case CXXQualifiedMemberExprClass:
+  case CXXAdornedMemberExprClass:
     // If the base pointer or element is to a volatile pointer/field, accessing
     // it is a side effect.
     if (getType().isVolatileQualified())
@@ -686,7 +687,7 @@
     break;
   }
   case MemberExprClass: 
-  case CXXQualifiedMemberExprClass: { 
+  case CXXAdornedMemberExprClass: { 
     const MemberExpr *m = cast<MemberExpr>(this);
     if (Ctx.getLangOptions().CPlusPlus) { // C++ [expr.ref]p4:
       NamedDecl *Member = m->getMemberDecl();
@@ -958,7 +959,7 @@
     return false;
   }
   case MemberExprClass: 
-  case CXXQualifiedMemberExprClass: {
+  case CXXAdornedMemberExprClass: {
     const MemberExpr *M = cast<MemberExpr>(this);
     return M->getBase()->isOBJCGCCandidate(Ctx);
   }
@@ -1916,6 +1917,13 @@
 Stmt::child_iterator MemberExpr::child_begin() { return &Base; }
 Stmt::child_iterator MemberExpr::child_end() { return &Base+1; }
 
+bool MemberExpr::hasQualifier() const {
+  if (const CXXAdornedMemberExpr *A = dyn_cast<CXXAdornedMemberExpr>(this))
+    return A->hasQualifier();
+  
+  return false;
+}
+
 // ExtVectorElementExpr
 Stmt::child_iterator ExtVectorElementExpr::child_begin() { return &Base; }
 Stmt::child_iterator ExtVectorElementExpr::child_end() { return &Base+1; }
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index c9614e1..d09358c 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -1126,7 +1126,7 @@
   OS << ")";
 }
 
-void StmtPrinter::VisitCXXQualifiedMemberExpr(CXXQualifiedMemberExpr *Node) {
+void StmtPrinter::VisitCXXAdornedMemberExpr(CXXAdornedMemberExpr *Node) {
   // FIXME: Suppress printing implicit bases (like "this")
   PrintExpr(Node->getBase());
   OS << (Node->isArrow() ? "->" : ".");
diff --git a/lib/AST/StmtProfile.cpp b/lib/AST/StmtProfile.cpp
index 0ffe5e1..8ce620c 100644
--- a/lib/AST/StmtProfile.cpp
+++ b/lib/AST/StmtProfile.cpp
@@ -546,7 +546,7 @@
   VisitType(S->getTypeAsWritten());
 }
 
-void StmtProfiler::VisitCXXQualifiedMemberExpr(CXXQualifiedMemberExpr *S) {
+void StmtProfiler::VisitCXXAdornedMemberExpr(CXXAdornedMemberExpr *S) {
   VisitMemberExpr(S);
   VisitNestedNameSpecifier(S->getQualifier());
 }
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index d66dfff..4390025 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -407,7 +407,7 @@
       break;
       
     case Stmt::MemberExprClass:
-    case Stmt::CXXQualifiedMemberExprClass:
+    case Stmt::CXXAdornedMemberExprClass:
       VisitMemberExpr(cast<MemberExpr>(S), Pred, Dst, false);
       break;
       
@@ -514,7 +514,7 @@
       return;
       
     case Stmt::MemberExprClass:
-    case Stmt::CXXQualifiedMemberExprClass:
+    case Stmt::CXXAdornedMemberExprClass:
       VisitMemberExpr(cast<MemberExpr>(Ex), Pred, Dst, true);
       return;
       
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 4ca0473..cb12ac9 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -216,9 +216,9 @@
   //   Explicit qualification with the scope operator (5.1) suppresses the 
   //   virtual call mechanism.
   llvm::Value *Callee;
-  if (MD->isVirtual() && !isa<CXXQualifiedMemberExpr>(ME)) {
+  if (MD->isVirtual() && !ME->hasQualifier())
     Callee = BuildVirtualCall(MD, This, Ty);
-  } else
+  else
     Callee = CGM.GetAddrOfFunction(GlobalDecl(MD), Ty);
   
   return EmitCXXMemberCall(MD, Callee, This, 
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 400d45f..83f54b7 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -241,7 +241,7 @@
   case Expr::ExtVectorElementExprClass:
     return EmitExtVectorElementExpr(cast<ExtVectorElementExpr>(E));
   case Expr::MemberExprClass: 
-  case Stmt::CXXQualifiedMemberExprClass:
+  case Stmt::CXXAdornedMemberExprClass:
     return EmitMemberExpr(cast<MemberExpr>(E));
   case Expr::CompoundLiteralExprClass:
     return EmitCompoundLiteralLValue(cast<CompoundLiteralExpr>(E));
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 449c5f3..cab807b 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -1457,7 +1457,7 @@
   
   // Accesses to members are potential references to data on the stack.
   case Stmt::MemberExprClass: 
-  case Stmt::CXXQualifiedMemberExprClass: {
+  case Stmt::CXXAdornedMemberExprClass: {
     MemberExpr *M = cast<MemberExpr>(E);
       
     // Check for indirect access.  We only want direct field accesses.
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 026ff43..7f680f5 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -878,15 +878,15 @@
   return false;
 }
 
-/// \brief Build a MemberExpr or CXXQualifiedMemberExpr, as appropriate.
+/// \brief Build a MemberExpr or CXXAdornedMemberExpr, as appropriate.
 static MemberExpr *BuildMemberExpr(ASTContext &C, Expr *Base, bool isArrow, 
                                    const CXXScopeSpec *SS, NamedDecl *Member, 
                                    SourceLocation Loc, QualType Ty) {
   if (SS && SS->isSet())
-    return new (C) CXXQualifiedMemberExpr(Base, isArrow, 
-                                          (NestedNameSpecifier *)SS->getScopeRep(),
-                                          SS->getRange(),
-                                          Member, Loc, Ty);
+    return new (C) CXXAdornedMemberExpr(Base, isArrow, 
+                                        (NestedNameSpecifier *)SS->getScopeRep(),
+                                        SS->getRange(),
+                                        Member, Loc, Ty);
   
   return new (C) MemberExpr(Base, isArrow, Member, Loc, Ty);
 }
@@ -4837,7 +4837,7 @@
   case Stmt::QualifiedDeclRefExprClass:
     return cast<DeclRefExpr>(E)->getDecl();
   case Stmt::MemberExprClass:
-  case Stmt::CXXQualifiedMemberExprClass:
+  case Stmt::CXXAdornedMemberExprClass:
     // If this is an arrow operator, the address is an offset from
     // the base's value, so the object the base refers to is
     // irrelevant.
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index deb5411..8cb57d9 100644
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -1425,16 +1425,18 @@
   /// 
   /// By default, performs semantic analysis to build the new expression.
   /// Subclasses may override this routine to provide different behavior.
-  OwningExprResult RebuildCXXQualifiedMemberExpr(ExprArg Base, 
-                                                 SourceLocation OpLoc,
-                                                 bool isArrow, 
-                                                NestedNameSpecifier *Qualifier,
-                                                 SourceRange QualifierRange,
-                                                 SourceLocation MemberLoc,
-                                                 NamedDecl *Member) {
+  OwningExprResult RebuildCXXAdornedMemberExpr(ExprArg Base, 
+                                               SourceLocation OpLoc,
+                                               bool isArrow, 
+                                               NestedNameSpecifier *Qualifier,
+                                               SourceRange QualifierRange,
+                                               SourceLocation MemberLoc,
+                                               NamedDecl *Member) {
     CXXScopeSpec SS;
-    SS.setRange(QualifierRange);
-    SS.setScopeRep(Qualifier);
+    if (Qualifier) {
+      SS.setRange(QualifierRange);
+      SS.setScopeRep(Qualifier);
+    }
     return getSema().BuildMemberReferenceExpr(/*Scope=*/0, move(Base), OpLoc,
                                               isArrow? tok::arrow : tok::period,
                                               MemberLoc,
@@ -1588,6 +1590,9 @@
 NestedNameSpecifier *
 TreeTransform<Derived>::TransformNestedNameSpecifier(NestedNameSpecifier *NNS,
                                                      SourceRange Range) {
+  if (!NNS)
+    return 0;
+  
   // Transform the prefix of this nested name specifier.
   NestedNameSpecifier *Prefix = NNS->getPrefix();
   if (Prefix) {
@@ -4014,8 +4019,8 @@
 
 template<typename Derived> 
 Sema::OwningExprResult 
-TreeTransform<Derived>::TransformCXXQualifiedMemberExpr(
-                                                  CXXQualifiedMemberExpr *E) { 
+TreeTransform<Derived>::TransformCXXAdornedMemberExpr(
+                                                  CXXAdornedMemberExpr *E) { 
   OwningExprResult Base = getDerived().TransformExpr(E->getBase());
   if (Base.isInvalid())
     return SemaRef.ExprError();
@@ -4028,7 +4033,7 @@
   NestedNameSpecifier *Qualifier
     = getDerived().TransformNestedNameSpecifier(E->getQualifier(),
                                                 E->getQualifierRange());
-  if (Qualifier == 0)
+  if (Qualifier == 0 && E->getQualifier() != 0)
     return SemaRef.ExprError();
 
   if (!getDerived().AlwaysRebuild() &&
@@ -4041,7 +4046,7 @@
   SourceLocation FakeOperatorLoc
     = SemaRef.PP.getLocForEndOfToken(E->getBase()->getSourceRange().getEnd());
   
-  return getDerived().RebuildCXXQualifiedMemberExpr(move(Base), 
+  return getDerived().RebuildCXXAdornedMemberExpr(move(Base), 
                                                      FakeOperatorLoc,
                                                      E->isArrow(),
                                                      Qualifier,