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if exists('s:loaded_perl_provider')
finish
endif
let s:loaded_perl_provider = 1
function! provider#perl#Detect() abort
" use g:perl_host_prof if set or check if perl is on the path
let prog = get(g:, 'perl_host_prog', executable('perl') ? 'perl' : '')
" if perl is available, make sure the required module is available
if prog != ''
let job_id = jobstart(prog.' -MNeovim::Ext -e "exit 0"', {'stdout_buffered': v:true})
let result = jobwait([job_id])
if result[0] != 0
let prog = ''
endif
endif
return prog
endfunction
function! provider#perl#Prog() abort
return s:prog
endfunction
function! provider#perl#Require(host) abort
if s:err != ''
echoerr s:err
return
endif
let prog = provider#perl#Prog()
let args = [s:prog, '-e', 'use Neovim::Ext; start_host();']
" Collect registered perl plugins into args
let perl_plugins = remote#host#PluginsForHost(a:host.name)
for plugin in perl_plugins
call add(args, plugin.path)
endfor
return provider#Poll(args, a:host.orig_name, '$NVIM_PERL_LOG_FILE')
endfunction
function! provider#perl#Call(method, args) abort
if s:err != ''
echoerr s:err
return
endif
if !exists('s:host')
try
let s:host = remote#host#Require('perl')
catch
let s:err = v:exception
echohl WarningMsg
echomsg v:exception
echohl None
return
endtry
endif
return call('rpcrequest', insert(insert(a:args, 'perl_'.a:method), s:host))
endfunction
let s:err = ''
let s:prog = provider#perl#Detect()
let g:loaded_perl_provider = empty(s:prog) ? 1 : 2
if g:loaded_perl_provider != 2
let s:err = 'Cannot find perl or the required perl module'
endif
call remote#host#RegisterPlugin('perl-provider', 'perl', [])
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