Basic support for Microsoft property declarations and

references thereto.

Patch by Tong Shen!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179585 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 1 deletions

diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp
index 847db24632..c3642f56ce 100644
--- a/lib/Sema/SemaExprMember.cpp
+++ b/lib/Sema/SemaExprMember.cpp
@@ -105,7 +105,8 @@ static IMAKind ClassifyImplicitMemberAccess(Sema &SemaRef,
     NamedDecl *D = *I;
 
     if (D->isCXXInstanceMember()) {
-      if (dyn_cast<FieldDecl>(D) || dyn_cast<IndirectFieldDecl>(D))
+      if (dyn_cast<FieldDecl>(D) || dyn_cast<MSPropertyDecl>(D)
+          || dyn_cast<IndirectFieldDecl>(D))
         isField = true;
 
       CXXRecordDecl *R = cast<CXXRecordDecl>(D->getDeclContext());
@@ -778,6 +779,19 @@ Sema::BuildAnonymousStructUnionMemberReference(const CXXScopeSpec &SS,
   return Owned(result);
 }
 
+static ExprResult
+BuildMSPropertyRefExpr(Sema &S, Expr *BaseExpr, bool IsArrow,
+                       const CXXScopeSpec &SS,
+                       MSPropertyDecl *PD,
+                       const DeclarationNameInfo &NameInfo) {
+  // Property names are always simple identifiers and therefore never
+  // require any interesting additional storage.
+  return new (S.Context) MSPropertyRefExpr(BaseExpr, PD, IsArrow,
+                                           S.Context.PseudoObjectTy, VK_LValue,
+                                           SS.getWithLocInContext(S.Context),
+                                           NameInfo.getLoc());
+}
+
 /// \brief Build a MemberExpr AST node.
 static MemberExpr *BuildMemberExpr(Sema &SemaRef,
                                    ASTContext &C, Expr *Base, bool isArrow,
@@ -935,6 +949,10 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType,
     return BuildFieldReferenceExpr(*this, BaseExpr, IsArrow,
                                    SS, FD, FoundDecl, MemberNameInfo);
 
+  if (MSPropertyDecl *PD = dyn_cast<MSPropertyDecl>(MemberDecl))
+    return BuildMSPropertyRefExpr(*this, BaseExpr, IsArrow, SS, PD,
+                                  MemberNameInfo);
+
   if (IndirectFieldDecl *FD = dyn_cast<IndirectFieldDecl>(MemberDecl))
     // We may have found a field within an anonymous union or struct
     // (C++ [class.union]).