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fix(lua): vim.keycode cleanup #40817

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This commit is contained in:
Justin M. Keyes
2026-07-18 14:31:36 -04:00
committed by GitHub
parent a2dfa195b2
commit 6f5fae3f8c
19 changed files with 279 additions and 203 deletions
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49
test/functional/api/vim_spec.lua
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@@ -2890,55 +2890,6 @@ describe('API', function()
end)
end)
describe('nvim_replace_termcodes', function()
it('escapes K_SPECIAL as K_SPECIAL KS_SPECIAL KE_FILLER', function()
eq('\128\254X', n.api.nvim_replace_termcodes('\128', true, true, true))
end)
it('leaves non-K_SPECIAL string unchanged', function()
eq('abc', n.api.nvim_replace_termcodes('abc', true, true, true))
end)
it('converts <expressions>', function()
eq('\\', n.api.nvim_replace_termcodes('<Leader>', true, true, true))
end)
it('converts <LeftMouse> to K_SPECIAL KS_EXTRA KE_LEFTMOUSE', function()
-- K_SPECIAL KS_EXTRA KE_LEFTMOUSE
-- 0x80 0xfd 0x2c
-- 128 253 44
eq('\128\253\44', n.api.nvim_replace_termcodes('<LeftMouse>', true, true, true))
end)
it('converts keycodes', function()
eq('\nx\27x\rx<x', n.api.nvim_replace_termcodes('<NL>x<Esc>x<CR>x<lt>x', true, true, true))
end)
it('does not convert keycodes if special=false', function()
eq(
'<NL>x<Esc>x<CR>x<lt>x',
n.api.nvim_replace_termcodes('<NL>x<Esc>x<CR>x<lt>x', true, true, false)
)
end)
it('does not crash when transforming an empty string', function()
-- Actually does not test anything, because current code will use NULL for
-- an empty string.
--
-- Problem here is that if String argument has .data in allocated memory
-- then `return str` in vim_replace_termcodes body will make Neovim free
-- `str.data` twice: once when freeing arguments, then when freeing return
-- value.
eq('', api.nvim_replace_termcodes('', true, true, true))
end)
-- Not exactly the case, as nvim_replace_termcodes() escapes K_SPECIAL in Unicode
it('translates the result of keytrans() on string with 0x80 byte back', function()
local s = 'ff\128\253\097tt'
eq(s, api.nvim_replace_termcodes(fn.keytrans(s), true, true, true))
end)
end)
describe('nvim_feedkeys', function()
it('K_SPECIAL escaping', function()
local function on_setup()