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normal.c: No garbage collection while handling an event in normal mode

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Patch by @tarruda

Fixes #3588
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2015-11-09 17:54:49 +01:00
parent 3f7f14c0c7
commit 1d9ae27e38
1 changed files with 10 additions and 0 deletions
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10
src/nvim/normal.c
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@@ -7701,6 +7701,16 @@ static void nv_open(cmdarg_T *cap)
// Handle an arbitrary event in normal mode
static void nv_event(cmdarg_T *cap)
{
// Garbage collection should have been executed before blocking for events in
// the `os_inchar` in `state_enter`, but we also disable it here in case the
// `os_inchar` branch was not executed(!queue_empty(loop.events), which could
// have `may_garbage_collect` set to true in `normal_check`).
//
// That is because here we may run code that calls `os_inchar`
// later(`f_confirm` or `get_keystroke` for example), but in these cases it is
// not safe to perform garbage collection because there could be unreferenced
// lists or dicts being used.
may_garbage_collect = false;
queue_process_events(loop.events);
cap->retval |= CA_COMMAND_BUSY; // don't call edit() now
}