NanoTrace: Add missing category constructor

The constructor for the category was missing. Otherwise the CTAD is not
working.

Change-Id: I4d4c2aaba8915fbbade0b8ce4f1310046d748cd1
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/libs/nanotrace/nanotracehr.h b/src/libs/nanotrace/nanotracehr.h
index 0698c61e05..23e5896df8 100644
--- a/src/libs/nanotrace/nanotracehr.h
+++ b/src/libs/nanotrace/nanotracehr.h
@@ -1332,6 +1332,8 @@ private:
         Internal::appendArguments(traceEvent.arguments, std::forward<Arguments>(arguments)...);
     }
 
+    CategoryFunctionPointer self() { return m_self; }
+
 private:
     StringType m_name;
     EnabledEventQueue<TraceEvent> &m_eventQueue;
@@ -1446,6 +1448,11 @@ public:
         }
     }
 
+    template<typename... Arguments>
+    [[nodiscard]] Tracer(ArgumentType name, Category &category, Arguments &&...arguments)
+        : Tracer(std::move(name), category.self(), std::forward<Arguments>(arguments)...)
+    {}
+
     Tracer(const Tracer &) = delete;
     Tracer &operator=(const Tracer &) = delete;
     Tracer(Tracer &&other) noexcept = delete;
@@ -1479,7 +1486,7 @@ private:
     void sendTrace(Arguments &&...arguments)
     {
         if (m_name.size()) {
-            auto category = m_category();
+            auto &category = m_category();
             if (category.isEnabled == IsEnabled::Yes) {
                 auto duration = Clock::now() - m_start;
                 auto &traceEvent = getTraceEvent(category.eventQueue());