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feat(lua)!: execute Lua with "nvim -l"

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Problem:
Nvim has Lua but the "nvim" CLI can't easily be used to execute Lua
scripts, especially scripts that take arguments or produce output.

Solution:
- support "nvim -l [args...]" for running scripts. closes #15749
- exit without +q
- remove lua2dox_filter
- remove Doxyfile. This wasn't used anyway, because the doxygen config
  is inlined in gen_vimdoc.py (`Doxyfile` variable).
- use "nvim -l" in docs-gen CI job

Examples:

    $ nvim -l scripts/lua2dox.lua --help
    Lua2DoX (0.2 20130128)
    ...

    $ echo "print(vim.inspect(_G.arg))" | nvim -l - --arg1 --arg2
    $ echo 'print(vim.inspect(vim.api.nvim_buf_get_text(1,0,0,-1,-1,{})))' | nvim +"put ='text'" -l -

TODO?
  -e executes Lua code
  -l loads a module
  -i enters REPL _after running the other arguments_.
This commit is contained in:
Justin M. Keyes
2021-09-20 19:00:50 -07:00
parent 39d70fcafd
commit 7c94bcd2d7
16 changed files with 311 additions and 2784 deletions
Download Patch File Download Diff File Expand all files Collapse all files

149
test/functional/core/startup_spec.lua
View File

@@ -26,6 +26,7 @@ local write_file = helpers.write_file
local meths = helpers.meths
local alter_slashes = helpers.alter_slashes
local is_os = helpers.is_os
local dedent = helpers.dedent
local testfile = 'Xtest_startuptime'
after_each(function()
@@ -47,6 +48,34 @@ describe('startup', function()
assert_log("require%('vim%._editor'%)", testfile, 100)
end)
end)
it('-D does not hang #12647', function()
clear()
local screen
screen = Screen.new(60, 7)
screen:attach()
command([[let g:id = termopen('"]]..nvim_prog..
[[" -u NONE -i NONE --cmd "set noruler" -D')]])
screen:expect([[
^ |
|
Entering Debug mode. Type "cont" to continue. |
nvim_exec() |
cmd: aunmenu * |
> |
|
]])
command([[call chansend(g:id, "cont\n")]])
screen:expect([[
^ |
~ |
~ |
~ |
[No Name] |
|
|
]])
end)
end)
describe('startup', function()
@@ -58,6 +87,94 @@ describe('startup', function()
os.remove('Xtest_startup_ttyout')
end)
describe('-l Lua', function()
local function assert_l_out(expected, args_before, args_after)
local args = { nvim_prog, '--clean' }
vim.list_extend(args, args_before or {})
vim.list_extend(args, { '-l', 'test/functional/fixtures/startup.lua' })
vim.list_extend(args, args_after or {})
local out = funcs.system(args):gsub('\r\n', '\n')
return eq(dedent(expected), out)
end
it('failure modes', function()
-- nvim -l <missing file>
matches('nvim: Argument missing after: "%-l"', funcs.system({ nvim_prog, '-l' }))
eq(1, eval('v:shell_error'))
end)
it('os.exit() sets Nvim exitcode', function()
-- nvim -l foo.lua -arg1 -- a b c
assert_l_out([[
bufs:
args: { "-arg1", "--exitcode", "73", "--arg2" }]],
{},
{ '-arg1', "--exitcode", "73", '--arg2' }
)
eq(73, eval('v:shell_error'))
end)
it('sets _G.arg', function()
-- nvim -l foo.lua -arg1 -- a b c
assert_l_out([[
bufs:
args: { "-arg1", "--arg2", "arg3" }]],
{},
{ '-arg1', '--arg2', 'arg3' }
)
eq(0, eval('v:shell_error'))
-- nvim -l foo.lua --
assert_l_out([[
bufs:
args: {}]],
{},
{ '--' }
)
eq(0, eval('v:shell_error'))
-- nvim file1 file2 -l foo.lua -arg1 -- file3 file4
assert_l_out([[
bufs: file1 file2 file3 file4
args: { "-arg1", "arg 2" }]],
{ 'file1', 'file2', },
{ '-arg1', 'arg 2', '--', 'file3', 'file4' }
)
eq(0, eval('v:shell_error'))
-- nvim file1 file2 -l foo.lua -arg1 --
assert_l_out([[
bufs: file1 file2
args: { "-arg1" }]],
{ 'file1', 'file2', },
{ '-arg1', '--' }
)
eq(0, eval('v:shell_error'))
-- nvim -l foo.lua <vim args>
assert_l_out([[
bufs:
args: { "-c", "set wrap?" }]],
{},
{ '-c', 'set wrap?' }
)
eq(0, eval('v:shell_error'))
-- nvim <vim args> -l foo.lua <vim args>
assert_l_out(
-- luacheck: ignore 611 (Line contains only whitespaces)
[[
wrap
bufs:
args: { "-c", "set wrap?" }]],
{ '-c', 'set wrap?' },
{ '-c', 'set wrap?' }
)
eq(0, eval('v:shell_error'))
end)
end)
it('pipe at both ends: has("ttyin")==0 has("ttyout")==0', function()
-- system() puts a pipe at both ends.
local out = funcs.system({ nvim_prog, '-u', 'NONE', '-i', 'NONE', '--headless',
@@ -66,6 +183,7 @@ describe('startup', function()
'+q' })
eq('0 0', out)
end)
it('with --embed: has("ttyin")==0 has("ttyout")==0', function()
local screen = Screen.new(25, 3)
-- Remote UI connected by --embed.
@@ -77,6 +195,7 @@ describe('startup', function()
0 0 |
]])
end)
it('in a TTY: has("ttyin")==1 has("ttyout")==1', function()
local screen = Screen.new(25, 4)
screen:attach()
@@ -95,6 +214,7 @@ describe('startup', function()
|
]])
end)
it('output to pipe: has("ttyin")==1 has("ttyout")==0', function()
if is_os('win') then
command([[set shellcmdflag=/s\ /c shellxquote=\"]])
@@ -111,6 +231,7 @@ describe('startup', function()
read_file('Xtest_startup_ttyout'))
end)
end)
it('input from pipe: has("ttyin")==0 has("ttyout")==1', function()
if is_os('win') then
command([[set shellcmdflag=/s\ /c shellxquote=\"]])
@@ -128,6 +249,7 @@ describe('startup', function()
read_file('Xtest_startup_ttyout'))
end)
end)
it('input from pipe (implicit) #7679', function()
local screen = Screen.new(25, 4)
screen:attach()
@@ -147,6 +269,7 @@ describe('startup', function()
|
]])
end)
it('input from pipe + file args #7679', function()
eq('ohyeah\r\n0 0 bufs=3',
funcs.system({nvim_prog, '-n', '-u', 'NONE', '-i', 'NONE', '--headless',
@@ -532,32 +655,6 @@ describe('sysinit', function()
eval('printf("loaded %d xdg %d vim %d", g:loaded, get(g:, "xdg", 0), get(g:, "vim", 0))'))
end)
it('fixed hang issue with -D (#12647)', function()
local screen
screen = Screen.new(60, 7)
screen:attach()
command([[let g:id = termopen('"]]..nvim_prog..
[[" -u NONE -i NONE --cmd "set noruler" -D')]])
screen:expect([[
^ |
Entering Debug mode. Type "cont" to continue. |
nvim_exec() |
cmd: aunmenu * |
> |
<" -u NONE -i NONE --cmd "set noruler" -D 1,0-1 All|
|
]])
command([[call chansend(g:id, "cont\n")]])
screen:expect([[
^ |
~ |
~ |
[No Name] |
|
<" -u NONE -i NONE --cmd "set noruler" -D 1,0-1 All|
|
]])
end)
end)
describe('user config init', function()