mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 09:44:31 +00:00
447 lines
10 KiB
Lua
447 lines
10 KiB
Lua
require('coxpcall')
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local lfs = require('lfs')
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local assert = require('luassert')
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local Loop = require('nvim.loop')
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local MsgpackStream = require('nvim.msgpack_stream')
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local AsyncSession = require('nvim.async_session')
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local Session = require('nvim.session')
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local nvim_prog = os.getenv('NVIM_PROG') or 'build/bin/nvim'
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local nvim_argv = {nvim_prog, '-u', 'NONE', '-i', 'NONE', '-N',
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'--cmd', 'set shortmess+=I background=light noswapfile noautoindent laststatus=1 undodir=. directory=. viewdir=. backupdir=.',
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'--embed'}
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-- Formulate a path to the directory containing nvim. We use this to
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-- help run test executables. It helps to keep the tests working, even
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-- when the build is not in the default location.
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local nvim_dir = nvim_prog:gsub("[/\\][^/\\]+$", "")
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if nvim_dir == nvim_prog then
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nvim_dir = "."
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end
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-- Nvim "Unit Under Test" http://en.wikipedia.org/wiki/Device_under_test
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local NvimUUT = {}
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NvimUUT.__index = NvimUUT
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local prepend_argv
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if os.getenv('VALGRIND') then
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local log_file = os.getenv('VALGRIND_LOG') or 'valgrind-%p.log'
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prepend_argv = {'valgrind', '-q', '--tool=memcheck',
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'--leak-check=yes', '--track-origins=yes',
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'--show-possibly-lost=no',
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'--suppressions=.valgrind.supp',
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'--log-file='..log_file}
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if os.getenv('GDB') then
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table.insert(prepend_argv, '--vgdb=yes')
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table.insert(prepend_argv, '--vgdb-error=0')
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end
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elseif os.getenv('GDB') then
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local gdbserver_port = '7777'
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if os.getenv('GDBSERVER_PORT') then
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gdbserver_port = os.getenv('GDBSERVER_PORT')
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end
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prepend_argv = {'gdbserver', 'localhost:'..gdbserver_port}
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end
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if prepend_argv then
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local new_nvim_argv = {}
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local len = #prepend_argv
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for i = 1, len do
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new_nvim_argv[i] = prepend_argv[i]
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end
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for i = 1, #nvim_argv do
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new_nvim_argv[i + len] = nvim_argv[i]
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end
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nvim_argv = new_nvim_argv
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end
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local session, loop_running, last_error
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local function set_session(s)
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session = s
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end
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local function request(method, ...)
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local status, rv = session:request(method, ...)
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if not status then
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if loop_running then
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last_error = rv[2]
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session:stop()
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else
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error(rv[2])
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end
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end
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return rv
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end
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local function next_message()
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return session:next_message()
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end
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local function call_and_stop_on_error(...)
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local status, result = copcall(...) -- luacheck: ignore
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if not status then
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session:stop()
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last_error = result
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return ''
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end
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return result
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end
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local function run(request_cb, notification_cb, setup_cb, timeout)
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local on_request, on_notification, on_setup
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if request_cb then
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function on_request(method, args)
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return call_and_stop_on_error(request_cb, method, args)
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end
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end
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if notification_cb then
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function on_notification(method, args)
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call_and_stop_on_error(notification_cb, method, args)
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end
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end
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if setup_cb then
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function on_setup()
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call_and_stop_on_error(setup_cb)
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end
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end
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loop_running = true
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session:run(on_request, on_notification, on_setup, timeout)
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loop_running = false
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if last_error then
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local err = last_error
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last_error = nil
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error(err)
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end
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end
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local function stop()
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session:stop()
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end
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local function nvim_command(cmd)
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request('vim_command', cmd)
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end
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local function nvim_eval(expr)
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return request('vim_eval', expr)
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end
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local function nvim_call(name, ...)
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return request('vim_call_function', name, {...})
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end
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local function nvim_feed(input)
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while #input > 0 do
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local written = request('vim_input', input)
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input = input:sub(written + 1)
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end
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end
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local function dedent(str)
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-- find minimum common indent across lines
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local indent = nil
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for line in str:gmatch('[^\n]+') do
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local line_indent = line:match('^%s+') or ''
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if indent == nil or #line_indent < #indent then
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indent = line_indent
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end
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end
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if #indent == 0 then
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-- no minimum common indent
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return str
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end
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-- create a pattern for the indent
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indent = indent:gsub('%s', '%%s')
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-- strip it from the first line
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str = str:gsub('^'..indent, '')
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-- strip it from the remaining lines
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str = str:gsub('[\n]'..indent, '\n')
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return str
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end
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local function feed(...)
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for _, v in ipairs({...}) do
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nvim_feed(dedent(v))
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end
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end
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local function rawfeed(...)
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for _, v in ipairs({...}) do
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nvim_feed(dedent(v))
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end
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end
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local function merge_args(...)
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local i = 1
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local argv = {}
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for anum = 1,select('#', ...) do
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local args = select(anum, ...)
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if args then
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for _, arg in ipairs(args) do
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argv[i] = arg
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i = i + 1
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end
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end
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end
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return argv
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end
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local function spawn(argv, merge)
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local loop = Loop.new()
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local msgpack_stream = MsgpackStream.new(loop)
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local async_session = AsyncSession.new(msgpack_stream)
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local sess = Session.new(async_session)
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loop:spawn(merge and merge_args(prepend_argv, argv) or argv)
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return sess
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end
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local function clear(extra_cmd)
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if session then
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session:exit(0)
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end
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local args = {unpack(nvim_argv)}
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if extra_cmd ~= nil then
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table.insert(args, '--cmd')
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table.insert(args, extra_cmd)
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end
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session = spawn(args)
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end
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local function insert(...)
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nvim_feed('i')
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for _, v in ipairs({...}) do
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local escaped = v:gsub('<', '<lt>')
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rawfeed(escaped)
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end
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nvim_feed('<ESC>')
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end
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local function execute(...)
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for _, v in ipairs({...}) do
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if v:sub(1, 1) ~= '/' then
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-- not a search command, prefix with colon
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nvim_feed(':')
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end
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nvim_feed(v:gsub('<', '<lt>'))
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nvim_feed('<CR>')
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end
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end
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-- Dedent the given text and write it to the file name.
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local function write_file(name, text, dont_dedent)
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local file = io.open(name, 'w')
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if not dont_dedent then
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text = dedent(text)
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end
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file:write(text)
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file:flush()
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file:close()
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end
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local function source(code)
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local tmpname = os.tmpname()
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write_file(tmpname, code)
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nvim_command('source '..tmpname)
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os.remove(tmpname)
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end
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local function eq(expected, actual)
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return assert.are.same(expected, actual)
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end
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local function neq(expected, actual)
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return assert.are_not.same(expected, actual)
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end
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local function ok(expr)
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assert.is_true(expr)
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end
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local function nvim(method, ...)
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return request('vim_'..method, ...)
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end
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local function nvim_async(method, ...)
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session:notify('vim_'..method, ...)
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end
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local function buffer(method, ...)
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return request('buffer_'..method, ...)
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end
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local function window(method, ...)
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return request('window_'..method, ...)
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end
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local function tabpage(method, ...)
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return request('tabpage_'..method, ...)
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end
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local function curbuf(method, ...)
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local buf = nvim('get_current_buffer')
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if not method then
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return buf
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end
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return buffer(method, buf, ...)
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end
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local function wait()
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session:request('vim_eval', '1')
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end
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local function curbuf_contents()
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-- Before inspecting the buffer, execute 'vim_eval' to wait until all
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-- previously sent keys are processed(vim_eval is a deferred function, and
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-- only processed after all input)
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wait()
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return table.concat(curbuf('get_line_slice', 0, -1, true, true), '\n')
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end
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local function curwin(method, ...)
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local win = nvim('get_current_window')
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if not method then
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return win
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end
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return window(method, win, ...)
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end
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local function curtab(method, ...)
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local tab = nvim('get_current_tabpage')
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if not method then
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return tab
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end
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return tabpage(method, tab, ...)
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end
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local function expect(contents)
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return eq(dedent(contents), curbuf_contents())
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end
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local function os_is_windows()
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return nvim_eval('has("win32")') == 1
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end
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local function rmdir(path)
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if lfs.attributes(path, 'mode') ~= 'directory' then
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return nil
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end
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for file in lfs.dir(path) do
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if file == '.' or file == '..' then
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goto continue
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end
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local ret, err = os.remove(path..'/'..file)
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if not ret then
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error('os.remove: '..err)
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return nil
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end
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::continue::
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end
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local ret, err = os.remove(path)
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if not ret then
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error('os.remove: '..err)
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end
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return ret
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end
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local exc_exec = function(cmd)
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nvim_command(([[
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try
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execute "%s"
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catch
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let g:__exception = v:exception
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endtry
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]]):format(cmd:gsub('\n', '\\n'):gsub('[\\"]', '\\%0')))
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local ret = nvim_eval('get(g:, "__exception", 0)')
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nvim_command('unlet! g:__exception')
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return ret
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end
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local function redir_exec(cmd)
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nvim_command(([[
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redir => g:__output
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silent! execute "%s"
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redir END
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]]):format(cmd:gsub('\n', '\\n'):gsub('[\\"]', '\\%0')))
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local ret = nvim_eval('get(g:, "__output", 0)')
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nvim_command('unlet! g:__output')
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return ret
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end
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local function create_callindex(func)
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local table = {}
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setmetatable(table, {
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__index = function(tbl, arg1)
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local ret = function(...) return func(arg1, ...) end
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tbl[arg1] = ret
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return ret
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end,
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})
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return table
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end
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local funcs = create_callindex(nvim_call)
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local meths = create_callindex(nvim)
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local bufmeths = create_callindex(buffer)
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local winmeths = create_callindex(window)
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local tabmeths = create_callindex(tabpage)
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local curbufmeths = create_callindex(curbuf)
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local curwinmeths = create_callindex(curwin)
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local curtabmeths = create_callindex(curtab)
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return {
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prepend_argv = prepend_argv,
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clear = clear,
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spawn = spawn,
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dedent = dedent,
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source = source,
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rawfeed = rawfeed,
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insert = insert,
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feed = feed,
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execute = execute,
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eval = nvim_eval,
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call = nvim_call,
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command = nvim_command,
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request = request,
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next_message = next_message,
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run = run,
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stop = stop,
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eq = eq,
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neq = neq,
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expect = expect,
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ok = ok,
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nvim = nvim,
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nvim_async = nvim_async,
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nvim_prog = nvim_prog,
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nvim_dir = nvim_dir,
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buffer = buffer,
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window = window,
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tabpage = tabpage,
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curbuf = curbuf,
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curwin = curwin,
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curtab = curtab,
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curbuf_contents = curbuf_contents,
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wait = wait,
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set_session = set_session,
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write_file = write_file,
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os_is_windows = os_is_windows,
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rmdir = rmdir,
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mkdir = lfs.mkdir,
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exc_exec = exc_exec,
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redir_exec = redir_exec,
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merge_args = merge_args,
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funcs = funcs,
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meths = meths,
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bufmeths = bufmeths,
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winmeths = winmeths,
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tabmeths = tabmeths,
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curbufmeths = curbufmeths,
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curwinmeths = curwinmeths,
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curtabmeths = curtabmeths,
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}
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