NanoTrace: Reduce macros with template specialization

The nano trace code gets more complicated but the usage get mor
readable.

Change-Id: I2b829455d1328dc330474abbb804c76232df3e92
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>

2 files changed, 16 insertions, 13 deletions

diff --git a/src/libs/sqlite/sqlitebasestatement.cpp b/src/libs/sqlite/sqlitebasestatement.cpp
index 6b1ad28cff..79e8cd6db6 100644
--- a/src/libs/sqlite/sqlitebasestatement.cpp
+++ b/src/libs/sqlite/sqlitebasestatement.cpp
@@ -26,24 +26,21 @@ extern "C" int sqlite3_carray_bind(
 
 namespace Sqlite {
 
-#ifdef ENABLE_SQLITE_TRACING
 namespace {
-NanotraceHR::TraceFile traceFile{"sqlite.json"};
+using TraceFile = NanotraceHR::TraceFile<sqliteTracingIsEnabled()>;
+
+TraceFile traceFile{"sqlite.json"};
 
 thread_local auto eventQueueData = NanotraceHR::makeEventQueueData<NanotraceHR::StringViewTraceEvent, 10000>(
     traceFile);
-thread_local NanotraceHR::EventQueue<NanotraceHR::StringViewTraceEvent> eventQueue = eventQueueData;
-
-NanotraceHR::Category<NanotraceHR::StringViewTraceEvent> sqliteLowLevelCategory{"sqlite low level"_t,
-                                                                                eventQueue};
-} // namespace
+thread_local NanotraceHR::EventQueue eventQueue = eventQueueData.createEventQueue();
 
-NanotraceHR::Category<NanotraceHR::StringViewTraceEvent> sqliteHighLevelCategory{"sqlite high level"_t,
+NanotraceHR::StringViewCategory<sqliteTracingIsEnabled()> sqliteLowLevelCategory{"sqlite low level"_t,
                                                                                  eventQueue};
+} // namespace
 
-#else
-static NanotraceHR::DisabledCategory sqliteLowLevelCategory;
-#endif
+NanotraceHR::StringViewCategory<sqliteTracingIsEnabled()> sqliteHighLevelCategory{"sqlite high level"_t,
+                                                                                  eventQueue};
 
 BaseStatement::BaseStatement(Utils::SmallStringView sqlStatement, Database &database)
     : m_database(database)
diff --git a/src/libs/sqlite/sqlitebasestatement.h b/src/libs/sqlite/sqlitebasestatement.h
index 6c20262532..84575ec4db 100644
--- a/src/libs/sqlite/sqlitebasestatement.h
+++ b/src/libs/sqlite/sqlitebasestatement.h
@@ -44,11 +44,17 @@ constexpr static std::underlying_type_t<Enumeration> to_underlying(Enumeration e
     return static_cast<std::underlying_type_t<Enumeration>>(enumeration);
 }
 
+constexpr bool sqliteTracingIsEnabled()
+{
 #ifdef ENABLE_SQLITE_TRACING
-extern NanotraceHR::Category<NanotraceHR::StringViewTraceEvent> sqliteHighLevelCategory;
+    return NanotraceHR::isTracerActive();
 #else
-inline NanotraceHR::DisabledCategory sqliteHighLevelCategory;
+    return false;
 #endif
+}
+
+SQLITE_EXPORT extern NanotraceHR::StringViewCategory<sqliteTracingIsEnabled()> sqliteHighLevelCategory;
+
 class SQLITE_EXPORT BaseStatement
 {
 public: