objective-c modern rewriter: add __declspec(dllexport) to forward
declaration of class metadata when they are defined later.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152500 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Rewrite/RewriteModernObjC.cpp b/lib/Rewrite/RewriteModernObjC.cpp
index 87d49fd..269249d 100644
--- a/lib/Rewrite/RewriteModernObjC.cpp
+++ b/lib/Rewrite/RewriteModernObjC.cpp
@@ -5682,13 +5682,20 @@
if (metadata && !CDecl->getSuperClass()) {
// Need to handle a case of use of forward declaration.
- Result += "\nextern struct _class_t OBJC_CLASS_$_";
+ Result += "\n";
+ if (CDecl->getImplementation())
+ Result += "__declspec(dllexport) ";
+ Result += "extern struct _class_t OBJC_CLASS_$_";
Result += CDecl->getNameAsString();
Result += ";\n";
}
// Also, for possibility of 'super' metadata class not having been defined yet.
if (CDecl->getSuperClass()) {
- Result += "\nextern struct _class_t "; Result += VarName;
+ Result += "\n";
+ if (CDecl->getSuperClass()->getImplementation())
+ Result += "__declspec(dllexport) ";
+ Result += "extern struct _class_t ";
+ Result += VarName;
Result += CDecl->getSuperClass()->getNameAsString();
Result += ";\n";
}