better handling of feature flags

src/hover.cpp

@@ -790,6 +790,15 @@ struct Sec_Hover_Fn {
     });
   }
 
+  void feature_flags()
+  {
+    // NOTE: currently there are no feature flags defined.
+    u64 flags;
+    do {
+      field_le<u64>("Flags: 0x%" PRIX64, &flags);
+    } while (flags >> 63);
+  }
+  
   // ==============================================================
   //                  TOP-LEVEL SECTIONS
   // ==============================================================
@@ -965,9 +974,7 @@ struct Sec_Hover_Fn {
           range("Compressed payload", section.range.len - section.post_size - ROOTZIP_RANGE_LEN);
         } else {
           envelope_preamble();
-          // NOTE: flags in principle require a more complex handling, but for now they are unused,
+          feature_flags();
-          // so they're always occupying only 8 bytes.
-          field_le<u64>("Flags: 0x%" PRIX64);
           field_str8<u32>("Name: %s");
           field_str8<u32>("Description: %s");
           field_str8<u32>("ROOT version: %s");
@@ -988,9 +995,7 @@ struct Sec_Hover_Fn {
           range("Payload", section.range.len - section.post_size - ROOTZIP_RANGE_LEN);
         } else {
           envelope_preamble();
-          // TODO: flags in principle require a more complex handling, but for now they are unused,
+          feature_flags();
-          // so they're always occupying only 8 bytes.
-          field_le<u64>("Flags: 0x%" PRIX64);
           field_le<u64>("Header checksum: 0x%" PRIX64);
           frame<Frame_Record>("Schema Extension", [this] {
             schema_description("Schema Extension");

src/mainloop.cpp

@@ -160,6 +160,7 @@ void run_main_loop(GLFWwindow *window, Arena *arena, App_State &app)
 
     // Check if the inspected file changed
     {
+      // TODO: this should re-run get_tfile_data and get_rntuple_data!
       char buf[sizeof(inotify_event) + NAME_MAX + 1];
       ssize_t nbytes = read(app.inspected_file.inot, buf, sizeof(buf));
       if (nbytes)