1 files changed, 21 insertions, 0 deletions
diff --git a/compilerplugins/clang/check.hxx b/compilerplugins/clang/check.hxx
index d69acc264243..0c2c1bb3031f 100644
--- a/compilerplugins/clang/check.hxx
+++ b/compilerplugins/clang/check.hxx
@@ -48,6 +48,11 @@ public:
     template<std::size_t N> inline ContextCheck Class(char const (& id)[N])
         const;
 
+    TypeCheck Typedef() const;
+
+    template<std::size_t N> inline ContextCheck Typedef(char const (& id)[N])
+        const;
+
     TypeCheck NotSubstTemplateTypeParmType() const;
 
 private:
@@ -152,6 +157,22 @@ template<std::size_t N> ContextCheck TypeCheck::Class(char const (& id)[N])
     return ContextCheck();
 }
 
+template<std::size_t N> ContextCheck TypeCheck::Typedef(char const (& id)[N])
+    const
+{
+    if (!type_.isNull()) {
+        if (auto const t = type_->getAs<clang::TypedefType>()) {
+            auto const d = t->getDecl();
+            auto const i = d->getIdentifier();
+            assert(i != nullptr);
+            if (i->isStr(id)) {
+                return ContextCheck(d->getDeclContext());
+            }
+        }
+    }
+    return ContextCheck();
+}
+
 template<std::size_t N> ContextCheck DeclCheck::Class(char const (& id)[N])
     const
 {