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/unusedmethodsremove.cxx b/compilerplugins/clang/unusedmethodsremove.cxx
index 4dc3a7be7a51..5fdeefa13a7f 100644
--- a/compilerplugins/clang/unusedmethodsremove.cxx
+++ b/compilerplugins/clang/unusedmethodsremove.cxx
@@ -29,7 +29,7 @@
 namespace {
 
 class UnusedMethodsRemove:
-    public RecursiveASTVisitor<UnusedMethodsRemove>, public loplugin::RewritePlugin
+    public loplugin::FilteringRewritePlugin<UnusedMethodsRemove>
 {
 public:
     explicit UnusedMethodsRemove(loplugin::InstantiationData const & data);
@@ -53,7 +53,7 @@ size_t getFilesize(const char* filename)
     return st.st_size;
 }
 
-UnusedMethodsRemove::UnusedMethodsRemove(loplugin::InstantiationData const & data): RewritePlugin(data)
+UnusedMethodsRemove::UnusedMethodsRemove(loplugin::InstantiationData const & data): FilteringRewritePlugin(data)
 {
     static const char sInputFile[] = SRCDIR "/result.txt";
     mmapFilesize = getFilesize(sInputFile);