filter out some of the AST in the plugins

by checking if the current namespace decl is in our code, so we have to
scan less stuff, which results in a 10% perf improvement for me

Change-Id: Idf0e30d57b6d0dcd13daa9ed679c28b9d233d387
Reviewed-on: https://gerrit.libreoffice.org/58942
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/compilerplugins/clang/salbool.cxx b/compilerplugins/clang/salbool.cxx
index f0024e96da27..9b664e626f0d 100644
--- a/compilerplugins/clang/salbool.cxx
+++ b/compilerplugins/clang/salbool.cxx
@@ -143,11 +143,11 @@ bool hasBoolOverload(FunctionDecl const * decl, bool mustBeDeleted) {
 }
 
 class SalBool:
-    public RecursiveASTVisitor<SalBool>, public loplugin::RewritePlugin
+    public loplugin::FilteringRewritePlugin<SalBool>
 {
 public:
     explicit SalBool(loplugin::InstantiationData const & data):
-        RewritePlugin(data) {}
+        FilteringRewritePlugin(data) {}
 
     virtual void run() override;