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
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 80c452f..f78f4b5 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -525,6 +525,53 @@
   return Field;
 }
 
+Decl *TemplateDeclInstantiator::VisitMSPropertyDecl(MSPropertyDecl *D) {
+  bool Invalid = false;
+  TypeSourceInfo *DI = D->getTypeSourceInfo();
+
+  if (DI->getType()->isVariablyModifiedType()) {
+    SemaRef.Diag(D->getLocation(), diag::err_property_is_variably_modified)
+    << D->getName();
+    Invalid = true;
+  } else if (DI->getType()->isInstantiationDependentType())  {
+    DI = SemaRef.SubstType(DI, TemplateArgs,
+                           D->getLocation(), D->getDeclName());
+    if (!DI) {
+      DI = D->getTypeSourceInfo();
+      Invalid = true;
+    } else if (DI->getType()->isFunctionType()) {
+      // C++ [temp.arg.type]p3:
+      //   If a declaration acquires a function type through a type
+      //   dependent on a template-parameter and this causes a
+      //   declaration that does not use the syntactic form of a
+      //   function declarator to have function type, the program is
+      //   ill-formed.
+      SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function)
+      << DI->getType();
+      Invalid = true;
+    }
+  } else {
+    SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType());
+  }
+
+  MSPropertyDecl *Property = new (SemaRef.Context)
+      MSPropertyDecl(Owner, D->getLocation(),
+                     D->getDeclName(), DI->getType(), DI,
+                     D->getLocStart(),
+                     D->getGetterId(), D->getSetterId());
+
+  SemaRef.InstantiateAttrs(TemplateArgs, D, Property, LateAttrs,
+                           StartingScope);
+
+  if (Invalid)
+    Property->setInvalidDecl();
+
+  Property->setAccess(D->getAccess());
+  Owner->addDecl(Property);
+
+  return Property;
+}
+
 Decl *TemplateDeclInstantiator::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
   NamedDecl **NamedChain =
     new (SemaRef.Context)NamedDecl*[D->getChainingSize()];