Avoid unused-parameter warning in field accessor listeners.

PiperOrigin-RevId: 603424598

src/google/protobuf/field_access_listener.h

@@ -34,14 +34,15 @@ struct NoOpAccessListener {
   // to differentiate the protos during the runtime before the start of the
   // program, use this functor to get its name. We either way need it for
   // LITE_RUNTIME protos as they don't have descriptors at all.
-  explicit NoOpAccessListener(absl::string_view (*name_extractor)()) {}
+  explicit NoOpAccessListener(absl::string_view (* /*name_extractor*/)()) {}
   // called repeatedly during serialization/deserialization/ByteSize of
   // Reflection as:
   //   AccessListener<MessageT>::OnSerialize(this);
-  static void OnSerialize(const MessageLite* msg) {}
-  static void OnDeserialize(const MessageLite* msg) {}
-  static void OnByteSize(const MessageLite* msg) {}
-  static void OnMergeFrom(const MessageLite* to, const MessageLite* from) {}
+  static void OnSerialize(const MessageLite* /*msg*/) {}
+  static void OnDeserialize(const MessageLite* /*msg*/) {}
+  static void OnByteSize(const MessageLite* /*msg*/) {}
+  static void OnMergeFrom(const MessageLite* /*to*/,
+                          const MessageLite* /*from*/) {}
 
   // NOTE: This function can be called pre-main. Make sure it does not make
   // the state of the listener invalid.
@@ -63,77 +64,82 @@ struct NoOpAccessListener {
 
   // add_<field>(f)
   template <int kFieldNum>
-  static void OnAdd(const MessageLite* msg, const void* field) {}
+  static void OnAdd(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // add_<field>()
   template <int kFieldNum>
-  static void OnAddMutable(const MessageLite* msg, const void* field) {}
+  static void OnAddMutable(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // <field>() and <repeated_field>(i)
   template <int kFieldNum>
-  static void OnGet(const MessageLite* msg, const void* field) {}
+  static void OnGet(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // clear_<field>()
   template <int kFieldNum>
-  static void OnClear(const MessageLite* msg, const void* field) {}
+  static void OnClear(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // has_<field>()
   template <int kFieldNum>
-  static void OnHas(const MessageLite* msg, const void* field) {}
+  static void OnHas(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // <repeated_field>()
   template <int kFieldNum>
-  static void OnList(const MessageLite* msg, const void* field) {}
+  static void OnList(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // mutable_<field>()
   template <int kFieldNum>
-  static void OnMutable(const MessageLite* msg, const void* field) {}
+  static void OnMutable(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // mutable_<repeated_field>()
   template <int kFieldNum>
-  static void OnMutableList(const MessageLite* msg, const void* field) {}
+  static void OnMutableList(const MessageLite* /*msg*/, const void* /*field*/) {
+  }
 
   // release_<field>()
   template <int kFieldNum>
-  static void OnRelease(const MessageLite* msg, const void* field) {}
+  static void OnRelease(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // set_<field>() and set_<repeated_field>(i)
   template <int kFieldNum>
-  static void OnSet(const MessageLite* msg, const void* field) {}
+  static void OnSet(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // <repeated_field>_size()
   template <int kFieldNum>
-  static void OnSize(const MessageLite* msg, const void* field) {}
+  static void OnSize(const MessageLite* /*msg*/, const void* /*field*/) {}
 
   // unknown_fields()
-  static void OnUnknownFields(const MessageLite* msg) {}
+  static void OnUnknownFields(const MessageLite* /*msg*/) {}
 
   // mutable_unknown_fields()
-  static void OnMutableUnknownFields(const MessageLite* msg) {}
+  static void OnMutableUnknownFields(const MessageLite* /*msg*/) {}
 
-  static void OnHasExtension(const MessageLite* msg, int extension_tag,
-                             const void* field) {}
+  static void OnHasExtension(const MessageLite* /*msg*/, int /*extension_tag*/,
+                             const void* /*field*/) {}
   // TODO: Support clear in the proto compiler.
-  static void OnClearExtension(const MessageLite* msg, int extension_tag,
-                               const void* field) {}
-  static void OnExtensionSize(const MessageLite* msg, int extension_tag,
-                              const void* field) {}
-  static void OnGetExtension(const MessageLite* msg, int extension_tag,
-                             const void* field) {}
-  static void OnMutableExtension(const MessageLite* msg, int extension_tag,
-                                 const void* field) {}
-  static void OnSetExtension(const MessageLite* msg, int extension_tag,
-                             const void* field) {}
-  static void OnReleaseExtension(const MessageLite* msg, int extension_tag,
-                                 const void* field) {}
-  static void OnAddExtension(const MessageLite* msg, int extension_tag,
-                             const void* field) {}
-  static void OnAddMutableExtension(const MessageLite* msg, int extension_tag,
-                                    const void* field) {}
-  static void OnListExtension(const MessageLite* msg, int extension_tag,
-                              const void* field) {}
-  static void OnMutableListExtension(const MessageLite* msg, int extension_tag,
-                                     const void* field) {}
+  static void OnClearExtension(const MessageLite* /*msg*/,
+                               int /*extension_tag*/, const void* /*field*/) {}
+  static void OnExtensionSize(const MessageLite* /*msg*/, int /*extension_tag*/,
+                              const void* /*field*/) {}
+  static void OnGetExtension(const MessageLite* /*msg*/, int /*extension_tag*/,
+                             const void* /*field*/) {}
+  static void OnMutableExtension(const MessageLite* /*msg*/,
+                                 int /*extension_tag*/, const void* /*field*/) {
+  }
+  static void OnSetExtension(const MessageLite* /*msg*/, int /*extension_tag*/,
+                             const void* /*field*/) {}
+  static void OnReleaseExtension(const MessageLite* /*msg*/,
+                                 int /*extension_tag*/, const void* /*field*/) {
+  }
+  static void OnAddExtension(const MessageLite* /*msg*/, int /*extension_tag*/,
+                             const void* /*field*/) {}
+  static void OnAddMutableExtension(const MessageLite* /*msg*/,
+                                    int /*extension_tag*/,
+                                    const void* /*field*/) {}
+  static void OnListExtension(const MessageLite* /*msg*/, int /*extension_tag*/,
+                              const void* /*field*/) {}
+  static void OnMutableListExtension(const MessageLite* /*msg*/,
+                                     int /*extension_tag*/,
+                                     const void* /*field*/) {}
 };
 
 }  // namespace protobuf