Add Optional overload to DiagnosticBuilder operator <<

Reviewers: aaron.ballman, gribozavr2, lebedev.ri

Reviewed By: gribozavr2

Subscribers: wuzish, nemanjai, kbarton, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D75714

1 files changed, 24 insertions, 0 deletions

diff --git a/clang/include/clang/Basic/Diagnostic.h b/clang/include/clang/Basic/Diagnostic.h
index 6bc8a14..c55b180 100644
--- a/clang/include/clang/Basic/Diagnostic.h
+++ b/clang/include/clang/Basic/Diagnostic.h
@@ -21,6 +21,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
+#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/iterator_range.h"
@@ -1288,6 +1289,29 @@ inline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB,
   return DB;
 }
 
+inline const DiagnosticBuilder &
+operator<<(const DiagnosticBuilder &DB,
+           const llvm::Optional<SourceRange> &Opt) {
+  if (Opt)
+    DB << *Opt;
+  return DB;
+}
+
+inline const DiagnosticBuilder &
+operator<<(const DiagnosticBuilder &DB,
+           const llvm::Optional<CharSourceRange> &Opt) {
+  if (Opt)
+    DB << *Opt;
+  return DB;
+}
+
+inline const DiagnosticBuilder &
+operator<<(const DiagnosticBuilder &DB, const llvm::Optional<FixItHint> &Opt) {
+  if (Opt)
+    DB << *Opt;
+  return DB;
+}
+
 /// A nullability kind paired with a bit indicating whether it used a
 /// context-sensitive keyword.
 using DiagNullabilityKind = std::pair<NullabilityKind, bool>;