1 files changed, 70 insertions, 0 deletions
diff --git a/compilerplugins/clang/staticanonymous.cxx b/compilerplugins/clang/staticanonymous.cxx
new file mode 100644
index 000000000..0fd00f227
--- /dev/null
+++ b/compilerplugins/clang/staticanonymous.cxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * Based on LLVM/Clang.
+ *
+ */
+#ifndef LO_CLANG_SHARED_PLUGINS
+
+#include "plugin.hxx"
+
+/*
+This is a compile check.
+
+Warns about functions with static keyword in an unnamed namespace.
+*/
+
+namespace loplugin
+{
+
+class StaticAnonymous
+    : public loplugin::FilteringPlugin<StaticAnonymous>
+    {
+    public:
+        explicit StaticAnonymous( const InstantiationData& data );
+        virtual void run() override;
+        bool VisitFunctionDecl( const FunctionDecl* func );
+
+    };
+
+StaticAnonymous::StaticAnonymous( const InstantiationData& data )
+    : FilteringPlugin( data )
+    {
+    }
+
+void StaticAnonymous::run()
+    {
+    TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
+    }
+
+
+bool StaticAnonymous::VisitFunctionDecl( const FunctionDecl* func )
+
+    {
+    if( ignoreLocation( func ) )
+        return true;
+    if( func -> isInAnonymousNamespace () )
+    {
+      if ( !isa<CXXMethodDecl>(func) && !func->isInExternCContext() )
+         {
+            if(func-> getStorageClass() == SC_Static)
+               {
+                    report( DiagnosticsEngine::Warning,
+                        "redundant 'static' keyword in unnamed namespace",
+                        compat::getBeginLoc(func));
+               }
+         }
+    }
+
+    return true;
+    }
+
+// Register the plugin action with the LO plugin handling.
+static Plugin::Registration< StaticAnonymous > staticanonymous("staticanonymous");
+
+} // namespace
+
+#endif // LO_CLANG_SHARED_PLUGINS
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */