handle -Wunused-function warnings in clang's sharedvisitor.cxx

Change-Id: I5fbf7da1da8c1c5b33e008e30898ca5d2cdfde65
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/87870
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/compilerplugins/clang/sharedvisitor/generator.cxx b/compilerplugins/clang/sharedvisitor/generator.cxx
index b94083aaa304..62c0798a4801 100644
--- a/compilerplugins/clang/sharedvisitor/generator.cxx
+++ b/compilerplugins/clang/sharedvisitor/generator.cxx
@@ -296,6 +296,16 @@ void generateVisitor( PluginType type )
             output << "            --activeRefCount;\n";
             output << "        " << plugin.variableName << " = save" << plugin.className << ";\n";
         }
+        output << "        if( false ) // silence -Wunused-function warnings\n";
+        output << "        {\n";
+        for( const PluginInfo& plugin : plugins[ type ] )
+        {
+            auto pluginTraverse = plugin.traverseFunctions.find( traverse );
+            if( pluginTraverse == plugin.traverseFunctions.end())
+                continue;
+            output << "            " << plugin.variableName << "->" << pluginTraverse->name << "( arg );\n";
+        }
+        output << "        }\n";
         output << "        return ret;\n";
         output << "    }\n";
     }