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ultimate-vim/sources_non_forked/copilot.vim/autoload/copilot.vim

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VimL

if exists('g:autoloaded_copilot')
finish
endif
let g:autoloaded_copilot = 1
scriptencoding utf-8
let s:has_nvim_ghost_text = has('nvim-0.6') && exists('*nvim_buf_get_mark')
let s:vim_minimum_version = '9.0.0185'
let s:has_vim_ghost_text = has('patch-' . s:vim_minimum_version) && has('textprop')
let s:has_ghost_text = s:has_nvim_ghost_text || s:has_vim_ghost_text
let s:hlgroup = 'CopilotSuggestion'
let s:annot_hlgroup = 'CopilotAnnotation'
if s:has_vim_ghost_text && empty(prop_type_get(s:hlgroup))
call prop_type_add(s:hlgroup, {'highlight': s:hlgroup})
endif
if s:has_vim_ghost_text && empty(prop_type_get(s:annot_hlgroup))
call prop_type_add(s:annot_hlgroup, {'highlight': s:annot_hlgroup})
endif
function! s:Echo(msg) abort
if has('nvim') && &cmdheight == 0
call v:lua.vim.notify(a:msg, v:null, {'title': 'GitHub Copilot'})
else
echo a:msg
endif
endfunction
function! s:EditorConfiguration() abort
let filetypes = copy(s:filetype_defaults)
if type(get(g:, 'copilot_filetypes')) == v:t_dict
call extend(filetypes, g:copilot_filetypes)
endif
return {
\ 'enableAutoCompletions': empty(get(g:, 'copilot_enabled', 1)) ? v:false : v:true,
\ 'disabledLanguages': map(sort(keys(filter(filetypes, { k, v -> empty(v) }))), { _, v -> {'languageId': v}}),
\ }
endfunction
function! s:StatusNotification(params, ...) abort
let status = get(a:params, 'status', '')
if status ==? 'error'
let s:agent_error = a:params.message
else
unlet! s:agent_error
endif
endfunction
function! copilot#Init(...) abort
call timer_start(0, { _ -> s:Start() })
endfunction
function! s:Running() abort
return exists('s:agent.job') || exists('s:agent.client_id')
endfunction
function! s:Start() abort
if s:Running()
return
endif
let s:agent = copilot#agent#New({'methods': {
\ 'statusNotification': function('s:StatusNotification'),
\ 'PanelSolution': function('copilot#panel#Solution'),
\ 'PanelSolutionsDone': function('copilot#panel#SolutionsDone'),
\ 'copilot/openURL': function('s:OpenURL'),
\ },
\ 'editorConfiguration' : s:EditorConfiguration()})
endfunction
function! s:Stop() abort
if exists('s:agent')
let agent = remove(s:, 'agent')
call agent.Close()
endif
endfunction
function! copilot#Agent() abort
call s:Start()
return s:agent
endfunction
function! copilot#RunningAgent() abort
if s:Running()
return s:agent
else
return v:null
endif
endfunction
function! s:NodeVersionWarning() abort
if exists('s:agent.node_version') && s:agent.node_version =~# '^16\.'
echohl WarningMsg
echo "Warning: Node.js 16 is approaching end of life and support will be dropped in a future release of copilot.vim."
echohl NONE
elseif exists('s:agent.node_version_warning')
echohl WarningMsg
echo 'Warning:' s:agent.node_version_warning
echohl NONE
endif
endfunction
function! copilot#Request(method, params, ...) abort
let agent = copilot#Agent()
return call(agent.Request, [a:method, a:params] + a:000)
endfunction
function! copilot#Call(method, params, ...) abort
let agent = copilot#Agent()
return call(agent.Call, [a:method, a:params] + a:000)
endfunction
function! copilot#Notify(method, params, ...) abort
let agent = copilot#Agent()
return call(agent.Notify, [a:method, a:params] + a:000)
endfunction
function! copilot#NvimNs() abort
return nvim_create_namespace('github-copilot')
endfunction
function! copilot#Clear() abort
if exists('g:_copilot_timer')
call timer_stop(remove(g:, '_copilot_timer'))
endif
if exists('b:_copilot')
call copilot#agent#Cancel(get(b:_copilot, 'first', {}))
call copilot#agent#Cancel(get(b:_copilot, 'cycling', {}))
endif
call s:UpdatePreview()
unlet! b:_copilot
return ''
endfunction
function! s:Reject(bufnr) abort
try
let dict = getbufvar(a:bufnr, '_copilot')
if type(dict) == v:t_dict && !empty(get(dict, 'shown_choices', {}))
call copilot#Request('notifyRejected', {'uuids': keys(dict.shown_choices)})
let dict.shown_choices = {}
endif
catch
call copilot#logger#Exception()
endtry
endfunction
function! copilot#Dismiss() abort
call s:Reject('%')
call copilot#Clear()
call s:UpdatePreview()
return ''
endfunction
let s:filetype_defaults = {
\ 'yaml': 0,
\ 'markdown': 0,
\ 'help': 0,
\ 'gitcommit': 0,
\ 'gitrebase': 0,
\ 'hgcommit': 0,
\ 'svn': 0,
\ 'cvs': 0,
\ '.': 0}
function! s:BufferDisabled() abort
if &buftype =~# '^\%(help\|prompt\|quickfix\|terminal\)$'
return 5
endif
if exists('b:copilot_disabled')
return empty(b:copilot_disabled) ? 0 : 3
endif
if exists('b:copilot_enabled')
return empty(b:copilot_enabled) ? 4 : 0
endif
let short = empty(&l:filetype) ? '.' : split(&l:filetype, '\.', 1)[0]
let config = {}
if type(get(g:, 'copilot_filetypes')) == v:t_dict
let config = g:copilot_filetypes
endif
if has_key(config, &l:filetype)
return empty(config[&l:filetype])
elseif has_key(config, short)
return empty(config[short])
elseif has_key(config, '*')
return empty(config['*'])
else
return get(s:filetype_defaults, short, 1) == 0 ? 2 : 0
endif
endfunction
function! copilot#Enabled() abort
return get(g:, 'copilot_enabled', 1)
\ && empty(s:BufferDisabled())
\ && empty(copilot#Agent().StartupError())
endfunction
function! copilot#Complete(...) abort
if exists('g:_copilot_timer')
call timer_stop(remove(g:, '_copilot_timer'))
endif
let params = copilot#doc#Params()
if !exists('b:_copilot.params') || b:_copilot.params !=# params
let b:_copilot = {'params': params, 'first':
\ copilot#Request('getCompletions', params)}
let g:_copilot_last = b:_copilot
endif
let completion = b:_copilot.first
if !a:0
return completion.Await()
else
call copilot#agent#Result(completion, a:1)
if a:0 > 1
call copilot#agent#Error(completion, a:2)
endif
endif
endfunction
function! s:HideDuringCompletion() abort
return get(g:, 'copilot_hide_during_completion', 1)
endfunction
function! s:SuggestionTextWithAdjustments() abort
try
if mode() !~# '^[iR]' || (s:HideDuringCompletion() && pumvisible()) || !exists('b:_copilot.suggestions')
return ['', 0, 0, '']
endif
let choice = get(b:_copilot.suggestions, b:_copilot.choice, {})
if !has_key(choice, 'range') || choice.range.start.line != line('.') - 1 || type(choice.text) !=# v:t_string
return ['', 0, 0, '']
endif
let line = getline('.')
let offset = col('.') - 1
let choice_text = strpart(line, 0, copilot#doc#UTF16ToByteIdx(line, choice.range.start.character)) . choice.text
let typed = strpart(line, 0, offset)
let end_offset = copilot#doc#UTF16ToByteIdx(line, choice.range.end.character)
if end_offset < 0
let end_offset = len(line)
endif
let delete = strpart(line, offset, end_offset - offset)
let uuid = get(choice, 'uuid', '')
if typed =~# '^\s*$'
let leading = matchstr(choice_text, '^\s\+')
let unindented = strpart(choice_text, len(leading))
if strpart(typed, 0, len(leading)) == leading && unindented !=# delete
return [unindented, len(typed) - len(leading), strchars(delete), uuid]
endif
elseif typed ==# strpart(choice_text, 0, offset)
return [strpart(choice_text, offset), 0, strchars(delete), uuid]
endif
catch
call copilot#logger#Exception()
endtry
return ['', 0, 0, '']
endfunction
function! s:Advance(count, context, ...) abort
if a:context isnot# get(b:, '_copilot', {})
return
endif
let a:context.choice += a:count
if a:context.choice < 0
let a:context.choice += len(a:context.suggestions)
endif
let a:context.choice %= len(a:context.suggestions)
call s:UpdatePreview()
endfunction
function! s:GetSuggestionsCyclingCallback(context, result) abort
let callbacks = remove(a:context, 'cycling_callbacks')
let seen = {}
for suggestion in a:context.suggestions
let seen[suggestion.text] = 1
endfor
for suggestion in get(a:result, 'completions', [])
if !has_key(seen, suggestion.text)
call add(a:context.suggestions, suggestion)
let seen[suggestion.text] = 1
endif
endfor
for Callback in callbacks
call Callback(a:context)
endfor
endfunction
function! s:GetSuggestionsCycling(callback) abort
if exists('b:_copilot.cycling_callbacks')
call add(b:_copilot.cycling_callbacks, a:callback)
elseif exists('b:_copilot.cycling')
call a:callback(b:_copilot)
elseif exists('b:_copilot.suggestions')
let b:_copilot.cycling_callbacks = [a:callback]
let b:_copilot.cycling = copilot#Request('getCompletionsCycling',
\ b:_copilot.first.params,
\ function('s:GetSuggestionsCyclingCallback', [b:_copilot]),
\ function('s:GetSuggestionsCyclingCallback', [b:_copilot]),
\ )
call s:UpdatePreview()
endif
return ''
endfunction
function! copilot#Next() abort
return s:GetSuggestionsCycling(function('s:Advance', [1]))
endfunction
function! copilot#Previous() abort
return s:GetSuggestionsCycling(function('s:Advance', [-1]))
endfunction
function! copilot#GetDisplayedSuggestion() abort
let [text, outdent, delete, uuid] = s:SuggestionTextWithAdjustments()
return {
\ 'uuid': uuid,
\ 'text': text,
\ 'outdentSize': outdent,
\ 'deleteSize': delete}
endfunction
function! s:ClearPreview() abort
if s:has_nvim_ghost_text
call nvim_buf_del_extmark(0, copilot#NvimNs(), 1)
elseif s:has_vim_ghost_text
call prop_remove({'type': s:hlgroup, 'all': v:true})
call prop_remove({'type': s:annot_hlgroup, 'all': v:true})
endif
endfunction
function! s:UpdatePreview() abort
try
let [text, outdent, delete, uuid] = s:SuggestionTextWithAdjustments()
let text = split(text, "\n", 1)
if empty(text[-1])
call remove(text, -1)
endif
if empty(text) || !s:has_ghost_text
return s:ClearPreview()
endif
if exists('b:_copilot.cycling_callbacks')
let annot = '(1/…)'
elseif exists('b:_copilot.cycling')
let annot = '(' . (b:_copilot.choice + 1) . '/' . len(b:_copilot.suggestions) . ')'
else
let annot = ''
endif
call s:ClearPreview()
if s:has_nvim_ghost_text
let data = {'id': 1}
let data.virt_text_win_col = virtcol('.') - 1
let append = strpart(getline('.'), col('.') - 1 + delete)
let data.virt_text = [[text[0] . append . repeat(' ', delete - len(text[0])), s:hlgroup]]
if len(text) > 1
let data.virt_lines = map(text[1:-1], { _, l -> [[l, s:hlgroup]] })
if !empty(annot)
let data.virt_lines[-1] += [[' '], [annot, s:annot_hlgroup]]
endif
elseif len(annot)
let data.virt_text += [[' '], [annot, s:annot_hlgroup]]
endif
let data.hl_mode = 'combine'
call nvim_buf_set_extmark(0, copilot#NvimNs(), line('.')-1, col('.')-1, data)
else
call prop_add(line('.'), col('.'), {'type': s:hlgroup, 'text': text[0]})
for line in text[1:]
call prop_add(line('.'), 0, {'type': s:hlgroup, 'text_align': 'below', 'text': line})
endfor
if !empty(annot)
call prop_add(line('.'), col('$'), {'type': s:annot_hlgroup, 'text': ' ' . annot})
endif
endif
if !has_key(b:_copilot.shown_choices, uuid)
let b:_copilot.shown_choices[uuid] = v:true
call copilot#Request('notifyShown', {'uuid': uuid})
endif
catch
return copilot#logger#Exception()
endtry
endfunction
function! s:HandleTriggerResult(result) abort
if !exists('b:_copilot')
return
endif
let b:_copilot.suggestions = get(a:result, 'completions', [])
let b:_copilot.choice = 0
let b:_copilot.shown_choices = {}
call s:UpdatePreview()
endfunction
function! copilot#Suggest() abort
try
call copilot#Complete(function('s:HandleTriggerResult'), function('s:HandleTriggerResult'))
catch
call copilot#logger#Exception()
endtry
return ''
endfunction
function! s:Trigger(bufnr, timer) abort
let timer = get(g:, '_copilot_timer', -1)
unlet! g:_copilot_timer
if a:bufnr !=# bufnr('') || a:timer isnot# timer || mode() !=# 'i'
return
endif
return copilot#Suggest()
endfunction
function! copilot#IsMapped() abort
return get(g:, 'copilot_assume_mapped') ||
\ hasmapto('copilot#Accept(', 'i')
endfunction
function! copilot#Schedule(...) abort
if !s:has_ghost_text || !copilot#Enabled() || !copilot#IsMapped()
call copilot#Clear()
return
endif
call s:UpdatePreview()
let delay = a:0 ? a:1 : get(g:, 'copilot_idle_delay', 15)
let g:_copilot_timer = timer_start(delay, function('s:Trigger', [bufnr('')]))
endfunction
function! copilot#OnInsertLeave() abort
return copilot#Clear()
endfunction
function! copilot#OnInsertEnter() abort
return copilot#Schedule()
endfunction
function! copilot#OnCompleteChanged() abort
if s:HideDuringCompletion()
return copilot#Clear()
else
return copilot#Schedule()
endif
endfunction
function! copilot#OnCursorMovedI() abort
return copilot#Schedule()
endfunction
function! copilot#OnBufUnload() abort
call s:Reject(+expand('<abuf>'))
endfunction
function! copilot#OnVimLeavePre() abort
endfunction
function! copilot#TextQueuedForInsertion() abort
try
return remove(s:, 'suggestion_text')
catch
return ''
endtry
endfunction
function! copilot#Accept(...) abort
let s = copilot#GetDisplayedSuggestion()
if !empty(s.text)
unlet! b:_copilot
let text = ''
if a:0 > 1
let text = substitute(matchstr(s.text, "\n*" . '\%(' . a:2 .'\)'), "\n*$", '', '')
endif
if empty(text)
let text = s.text
endif
call copilot#Request('notifyAccepted', {'uuid': s.uuid, 'acceptedLength': copilot#doc#UTF16Width(text)})
call s:ClearPreview()
let s:suggestion_text = text
return repeat("\<Left>\<Del>", s.outdentSize) . repeat("\<Del>", s.deleteSize) .
\ "\<C-R>\<C-O>=copilot#TextQueuedForInsertion()\<CR>" . (a:0 > 1 ? '' : "\<End>")
endif
let default = get(g:, 'copilot_tab_fallback', pumvisible() ? "\<C-N>" : "\t")
if !a:0
return default
elseif type(a:1) == v:t_string
return a:1
elseif type(a:1) == v:t_func
try
return call(a:1, [])
catch
return default
endtry
else
return default
endif
endfunction
function! copilot#AcceptWord(...) abort
return copilot#Accept(a:0 ? a:1 : '', '\%(\k\@!.\)*\k*')
endfunction
function! copilot#AcceptLine(...) abort
return copilot#Accept(a:0 ? a:1 : "\r", "[^\n]\\+")
endfunction
function! s:BrowserCallback(into, code) abort
let a:into.code = a:code
endfunction
function! copilot#Browser() abort
if type(get(g:, 'copilot_browser')) == v:t_list
let cmd = copy(g:copilot_browser)
elseif type(get(g:, 'open_command')) == v:t_list
let cmd = copy(g:open_command)
elseif has('win32')
let cmd = ['rundll32', 'url.dll,FileProtocolHandler']
elseif has('mac')
let cmd = ['open']
elseif executable('wslview')
return ['wslview']
elseif executable('xdg-open')
return ['xdg-open']
else
return []
endif
if executable(get(cmd, 0, ''))
return cmd
else
return []
endif
endfunction
function! s:OpenURL(params) abort
echo a:params.target
let browser = copilot#Browser()
if empty(browser)
return v:false
endif
let status = {}
call copilot#job#Stream(browser + [a:params.target], v:null, v:null, function('s:BrowserCallback', [status]))
let time = reltime()
while empty(status) && reltimefloat(reltime(time)) < 1
sleep 10m
endwhile
return get(status, 'code') ? v:false : v:true
endfunction
let s:commands = {}
function! s:EnabledStatusMessage() abort
let buf_disabled = s:BufferDisabled()
if !s:has_ghost_text
if has('nvim')
return "Neovim 0.6 required to support ghost text"
else
return "Vim " . s:vim_minimum_version . " required to support ghost text"
endif
elseif !copilot#IsMapped()
return '<Tab> map has been disabled or is claimed by another plugin'
elseif !get(g:, 'copilot_enabled', 1)
return 'Disabled globally by :Copilot disable'
elseif buf_disabled is# 5
return 'Disabled for current buffer by buftype=' . &buftype
elseif buf_disabled is# 4
return 'Disabled for current buffer by b:copilot_enabled'
elseif buf_disabled is# 3
return 'Disabled for current buffer by b:copilot_disabled'
elseif buf_disabled is# 2
return 'Disabled for filetype=' . &filetype . ' by internal default'
elseif buf_disabled
return 'Disabled for filetype=' . &filetype . ' by g:copilot_filetypes'
elseif !copilot#Enabled()
return 'BUG: Something is wrong with enabling/disabling'
else
return ''
endif
endfunction
function! s:VerifySetup() abort
let error = copilot#Agent().StartupError()
if !empty(error)
echo 'Copilot: ' . error
return
endif
let status = copilot#Call('checkStatus', {})
if !has_key(status, 'user')
echo 'Copilot: Not authenticated. Invoke :Copilot setup'
return
endif
if status.status ==# 'NoTelemetryConsent'
echo 'Copilot: Telemetry terms not accepted. Invoke :Copilot setup'
return
endif
return 1
endfunction
function! s:commands.status(opts) abort
if !s:VerifySetup()
return
endif
let status = s:EnabledStatusMessage()
if !empty(status)
echo 'Copilot: ' . status
return
endif
let startup_error = copilot#Agent().StartupError()
if !empty(startup_error)
echo 'Copilot: ' . startup_error
return
endif
if exists('s:agent_error')
echo 'Copilot: ' . s:agent_error
return
endif
let status = copilot#Call('checkStatus', {})
if status.status ==# 'NotAuthorized'
echo 'Copilot: Not authorized'
return
endif
echo 'Copilot: Enabled and online'
call s:NodeVersionWarning()
endfunction
function! s:commands.signout(opts) abort
let status = copilot#Call('checkStatus', {'options': {'localChecksOnly': v:true}})
if has_key(status, 'user')
echo 'Copilot: Signed out as GitHub user ' . status.user
else
echo 'Copilot: Not signed in'
endif
call copilot#Call('signOut', {})
endfunction
function! s:commands.setup(opts) abort
let startup_error = copilot#Agent().StartupError()
if !empty(startup_error)
echo 'Copilot: ' . startup_error
return
endif
let browser = copilot#Browser()
let status = copilot#Call('checkStatus', {})
if has_key(status, 'user')
let data = {}
else
let data = copilot#Call('signInInitiate', {})
endif
if has_key(data, 'verificationUri')
let uri = data.verificationUri
if has('clipboard')
let @+ = data.userCode
let @* = data.userCode
endif
call s:Echo("First copy your one-time code: " . data.userCode)
try
if len(&mouse)
let mouse = &mouse
set mouse=
endif
if get(a:opts, 'bang')
call s:Echo("In your browser, visit " . uri)
elseif len(browser)
call s:Echo("Press ENTER to open GitHub in your browser")
let c = getchar()
while c isnot# 13 && c isnot# 10 && c isnot# 0
let c = getchar()
endwhile
let status = {}
call copilot#job#Stream(browser + [uri], v:null, v:null, function('s:BrowserCallback', [status]))
let time = reltime()
while empty(status) && reltimefloat(reltime(time)) < 5
sleep 10m
endwhile
if get(status, 'code', browser[0] !=# 'xdg-open') != 0
call s:Echo("Failed to open browser. Visit " . uri)
else
call s:Echo("Opened " . uri)
endif
else
call s:Echo("Could not find browser. Visit " . uri)
endif
call s:Echo("Waiting (could take up to 5 seconds)")
let request = copilot#Request('signInConfirm', {'userCode': data.userCode}).Wait()
finally
if exists('mouse')
let &mouse = mouse
endif
endtry
if request.status ==# 'error'
return 'echoerr ' . string('Copilot: Authentication failure: ' . request.error.message)
else
let status = request.result
endif
endif
let user = get(status, 'user', '<unknown>')
echo 'Copilot: Authenticated as GitHub user ' . user
endfunction
let s:commands.auth = s:commands.setup
function! s:commands.help(opts) abort
return a:opts.mods . ' help ' . (len(a:opts.arg) ? ':Copilot_' . a:opts.arg : 'copilot')
endfunction
function! s:commands.version(opts) abort
let info = copilot#agent#EditorInfo()
echo 'copilot.vim ' .info.editorPluginInfo.version
echo info.editorInfo.name . ' ' . info.editorInfo.version
if exists('s:agent.node_version')
echo 'dist/agent.js ' . s:agent.Call('getVersion', {}).version
echo 'Node.js ' . s:agent.node_version
call s:NodeVersionWarning()
else
echo 'dist/agent.js not running'
endif
endfunction
function! s:UpdateEditorConfiguration() abort
try
if s:Running()
call copilot#Notify('notifyChangeConfiguration', {'settings': s:EditorConfiguration()})
endif
catch
call copilot#logger#Exception()
endtry
endfunction
let s:feedback_url = 'https://github.com/orgs/community/discussions/categories/copilot'
function! s:commands.feedback(opts) abort
echo s:feedback_url
let browser = copilot#Browser()
if len(browser)
call copilot#job#Stream(browser + [s:feedback_url], v:null, v:null, v:null)
endif
endfunction
function! s:commands.restart(opts) abort
call s:Stop()
let err = copilot#Agent().StartupError()
if !empty(err)
return 'echoerr ' . string('Copilot: ' . err)
endif
echo 'Copilot: Restarting agent.'
endfunction
function! s:commands.disable(opts) abort
let g:copilot_enabled = 0
call s:UpdateEditorConfiguration()
endfunction
function! s:commands.enable(opts) abort
let g:copilot_enabled = 1
call s:UpdateEditorConfiguration()
endfunction
function! s:commands.panel(opts) abort
if s:VerifySetup()
return copilot#panel#Open(a:opts)
endif
endfunction
function! copilot#CommandComplete(arg, lead, pos) abort
let args = matchstr(strpart(a:lead, 0, a:pos), 'C\%[opilot][! ] *\zs.*')
if args !~# ' '
return sort(filter(map(keys(s:commands), { k, v -> tr(v, '_', '-') }),
\ { k, v -> strpart(v, 0, len(a:arg)) ==# a:arg }))
else
return []
endif
endfunction
function! copilot#Command(line1, line2, range, bang, mods, arg) abort
let cmd = matchstr(a:arg, '^\%(\\.\|\S\)\+')
let arg = matchstr(a:arg, '\s\zs\S.*')
if cmd ==# 'log'
return a:mods . ' split +$ ' . fnameescape(copilot#logger#File())
endif
if !empty(cmd) && !has_key(s:commands, tr(cmd, '-', '_'))
return 'echoerr ' . string('Copilot: unknown command ' . string(cmd))
endif
try
let err = copilot#Agent().StartupError()
if !empty(err)
return 'echo ' . string('Copilot: ' . err)
endif
try
let opts = copilot#Call('checkStatus', {'options': {'localChecksOnly': v:true}})
catch
call copilot#logger#Exception()
let opts = {'status': 'VimException'}
endtry
if empty(cmd)
if opts.status ==# 'VimException'
return a:mods . ' split +$ ' . fnameescape(copilot#logger#File())
elseif opts.status !=# 'OK' && opts.status !=# 'MaybeOK'
let cmd = 'setup'
else
let cmd = 'panel'
endif
endif
call extend(opts, {'line1': a:line1, 'line2': a:line2, 'range': a:range, 'bang': a:bang, 'mods': a:mods, 'arg': arg})
let retval = s:commands[tr(cmd, '-', '_')](opts)
if type(retval) == v:t_string
return retval
else
return ''
endif
catch /^Copilot:/
return 'echoerr ' . string(v:exception)
endtry
endfunction