Move nano::store::writer enum to a dedicated header

nano/node/confirming_set.cpp

@@ -8,7 +8,6 @@
 #include <nano/secure/ledger_set_any.hpp>
 #include <nano/secure/ledger_set_confirmed.hpp>
 #include <nano/store/component.hpp>
-#include <nano/store/write_queue.hpp>
 
 nano::confirming_set::confirming_set (confirming_set_config const & config_a, nano::ledger & ledger_a, nano::block_processor & block_processor_a, nano::stats & stats_a, nano::logger & logger_a) :
 	config{ config_a },

nano/store/CMakeLists.txt

@@ -105,7 +105,9 @@ add_library(
   version.cpp
   versioning.cpp
   write_queue.hpp
-  write_queue.cpp)
+  write_queue.cpp
+  writers.hpp
+  writers.cpp)
 
 target_link_libraries(
   nano_store

nano/store/write_queue.hpp

@@ -1,27 +1,14 @@
 #pragma once
 
 #include <nano/lib/locks.hpp>
+#include <nano/store/writers.hpp>
 
 #include <condition_variable>
 #include <deque>
 #include <functional>
 
 namespace nano::store
 {
-/** Distinct areas write locking is done, order is irrelevant */
-enum class writer
-{
-	generic,
-	node,
-	block_processor,
-	confirmation_height,
-	pruning,
-	voting_final,
-	bounded_backlog,
-	online_weight,
-	testing // Used in tests to emulate a write lock
-};
-
 class write_queue;
 
 class write_guard final
@@ -80,4 +67,4 @@ class write_queue final
 
 	std::function<void ()> guard_finish_callback;
 };
-} // namespace nano::store
+}

nano/store/writers.cpp

@@ -0,0 +1,7 @@
+#include <nano/lib/enum_util.hpp>
+#include <nano/store/writers.hpp>
+
+std::string_view nano::store::to_string (nano::store::writer writer)
+{
+	return nano::enum_util::name (writer);
+}

nano/store/writers.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+namespace nano::store
+{
+/** Distinct areas write locking is done, order is irrelevant */
+enum class writer
+{
+	generic,
+	node,
+	block_processor,
+	confirmation_height,
+	pruning,
+	voting_final,
+	bounded_backlog,
+	online_weight,
+	testing // Used in tests to emulate a write lock
+};
+
+std::string_view to_string (writer);
+}