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fix(messages)!: vim.ui_attach message callbacks are unsafe

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Problem:  Lua callbacks for "msg_show" events with vim.ui_attach() are
          executed when it is not safe.
Solution: Disallow non-fast API calls for "msg_show" event callbacks.
          Automatically detach callback after excessive errors.
          Make sure fast APIs do not modify Nvim state.
This commit is contained in:
Luuk van Baal
2024-06-20 14:48:06 +02:00
parent 7d771c3eee
commit de48fbbd5f
17 changed files with 215 additions and 141 deletions
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4
src/nvim/ui.h
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@@ -18,4 +18,6 @@ EXTERN Array noargs INIT(= ARRAY_DICT_INIT);
#endif
// uncrustify:on
EXTERN MultiQueue *resize_events;
// vim.ui_attach() namespace of currently executed callback.
EXTERN uint32_t ui_event_ns_id INIT( = 0);
EXTERN MultiQueue *resize_events INIT( = NULL);