Emit record_replay fromQVariant for plain enums; document PPM MOC exclusion

qt6-after/qt6-migrated-legatus/Lts/Common/CodeGen/svc_record_replay_plugin.cpp.grantlee

@@ -171,8 +171,20 @@ std::vector<T> fromJson(const QVariant &jsonData, type<std::vector<T>>)
   return ret;
 }
 
+// Primary fallback for any migrated plain-`enum class` enumerators that have no
+// explicit specialization below - most importantly the nested foreign
+// ProjectDataManagement / Core enums a plugin reads back from the database (they are
+// not in this service's idl_enums, so the per-own-enum specializations do not cover
+// them). Giving the primary template a body (rather than leaving it declaration-only)
+// is what lets those foreign-enum instantiations resolve, so the plugin .so links. The
+// explicit specializations for primitives / own enums / structs / vectors / optionals
+// all take precedence over this fallback, so it is only ever instantiated for an enum
+// type, where `static_cast<T>(val.toInt())` is the correct conversion.
 template<typename T>
-T fromQVariant(const QVariant &val, type<T>);
+T fromQVariant(const QVariant &val, type<T>)
+{
+  return static_cast<T>(val.toInt());
+}
 
 template<>
 bool fromQVariant(const QVariant &val, type<bool>)
@@ -266,6 +278,23 @@ T fromQVariant(const QVariant &val)
   return fromQVariant(val, type<T>{});
 }
 
+// rtiddsgen 7.7 spells the migrated enumerators as plain `enum class` in the service
+// namespace (the legacy dds::core::safe_enum<T> wrapper is gone). The record_replay
+// plugin still instantiates fromQVariant<Enum>() for each enum member it reads back,
+// and none of the generic overloads above are ever deduced for those types, so each of
+// this service's own enumerations needs its own explicit specialization. `idl_enums`
+// carries the service's own enumerations by local name and this block runs inside
+// `namespace {{ namespace }}`, so the local name resolves to the fully-qualified enum
+// type. (Nested foreign PDM enumerations are still not covered - same limitation as the
+// documented svcBuildings exclusion.)
+{% for enumeration in idl_enums %}
+template<>
+{{ enumeration.name }} fromQVariant(const QVariant &val, type<{{ enumeration.name }}>)
+{
+  return static_cast<{{ enumeration.name }}>(val.toInt());
+}
+{% endfor %}
+
 {% for dt in serializeTopics.member %}
 //
 // Begin {{ dt.typeFq }}

qt6-after/qt6-migrated-legatus/Lts/Common/CodeGen/svc_record_replay_plugin.h.grantlee

@@ -121,7 +121,7 @@ protected:
   int64_t                                                m_snapshot{{ dt.name }}MapTime = -1;  // time for which the snapshot is valid
 {% endif %} {% endfor %}
 
-  NGL::INGLLogger*                                         m_logger;
+  NGL::INGLLogger&                                         m_logger;
 };
 
 }