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396280d303
Now remove the addition of "start/*" packages in 'packpath' as explicit items in 'runtimepath'. This avoids 'runtimepath' from becoming very long when using a lot of plugins as packages. To get the effective search path as a list, use |nvim_list_runtime_paths()|
210 lines
6.9 KiB
VimL
210 lines
6.9 KiB
VimL
let s:hosts = {}
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let s:plugin_patterns = {}
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let s:plugins_for_host = {}
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" Register a host by associating it with a factory(funcref)
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function! remote#host#Register(name, pattern, factory) abort
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let s:hosts[a:name] = {'factory': a:factory, 'channel': 0, 'initialized': 0}
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let s:plugin_patterns[a:name] = a:pattern
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if type(a:factory) == type(1) && a:factory
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" Passed a channel directly
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let s:hosts[a:name].channel = a:factory
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endif
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endfunction
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" Register a clone to an existing host. The new host will use the same factory
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" as `source`, but it will run as a different process. This can be used by
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" plugins that should run isolated from other plugins created for the same host
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" type
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function! remote#host#RegisterClone(name, orig_name) abort
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if !has_key(s:hosts, a:orig_name)
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throw 'No host named "'.a:orig_name.'" is registered'
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endif
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let Factory = s:hosts[a:orig_name].factory
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let s:hosts[a:name] = {
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\ 'factory': Factory,
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\ 'channel': 0,
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\ 'initialized': 0,
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\ 'orig_name': a:orig_name
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\ }
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endfunction
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" Get a host channel, bootstrapping it if necessary
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function! remote#host#Require(name) abort
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if !has_key(s:hosts, a:name)
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throw 'No host named "'.a:name.'" is registered'
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endif
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let host = s:hosts[a:name]
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if !host.channel && !host.initialized
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let host_info = {
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\ 'name': a:name,
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\ 'orig_name': get(host, 'orig_name', a:name)
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\ }
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let host.channel = call(host.factory, [host_info])
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let host.initialized = 1
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endif
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return host.channel
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endfunction
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function! remote#host#IsRunning(name) abort
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if !has_key(s:hosts, a:name)
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throw 'No host named "'.a:name.'" is registered'
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endif
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return s:hosts[a:name].channel != 0
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endfunction
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" Example of registering a Python plugin with two commands (one async), one
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" autocmd (async) and one function (sync):
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"
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" let s:plugin_path = expand('<sfile>:p:h').'/nvim_plugin.py'
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" call remote#host#RegisterPlugin('python', s:plugin_path, [
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" \ {'type': 'command', 'name': 'PyCmd', 'sync': 1, 'opts': {}},
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" \ {'type': 'command', 'name': 'PyAsyncCmd', 'sync': 0, 'opts': {'eval': 'cursor()'}},
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" \ {'type': 'autocmd', 'name': 'BufEnter', 'sync': 0, 'opts': {'eval': 'expand("<afile>")'}},
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" \ {'type': 'function', 'name': 'PyFunc', 'sync': 1, 'opts': {}}
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" \ ])
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"
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" The third item in a declaration is a boolean: non zero means the command,
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" autocommand or function will be executed synchronously with rpcrequest.
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function! remote#host#RegisterPlugin(host, path, specs) abort
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let plugins = remote#host#PluginsForHost(a:host)
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for plugin in plugins
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if plugin.path == a:path
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throw 'Plugin "'.a:path.'" is already registered'
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endif
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endfor
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if has_key(s:hosts, a:host) && remote#host#IsRunning(a:host)
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" For now we won't allow registration of plugins when the host is already
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" running.
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throw 'Host "'.a:host.'" is already running'
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endif
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for spec in a:specs
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let type = spec.type
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let name = spec.name
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let sync = spec.sync
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let opts = spec.opts
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let rpc_method = a:path
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if type == 'command'
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let rpc_method .= ':command:'.name
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call remote#define#CommandOnHost(a:host, rpc_method, sync, name, opts)
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elseif type == 'autocmd'
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" Since multiple handlers can be attached to the same autocmd event by a
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" single plugin, we need a way to uniquely identify the rpc method to
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" call. The solution is to append the autocmd pattern to the method
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" name(This still has a limit: one handler per event/pattern combo, but
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" there's no need to allow plugins define multiple handlers in that case)
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let rpc_method .= ':autocmd:'.name.':'.get(opts, 'pattern', '*')
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call remote#define#AutocmdOnHost(a:host, rpc_method, sync, name, opts)
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elseif type == 'function'
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let rpc_method .= ':function:'.name
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call remote#define#FunctionOnHost(a:host, rpc_method, sync, name, opts)
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else
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echoerr 'Invalid declaration type: '.type
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endif
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endfor
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call add(plugins, {'path': a:path, 'specs': a:specs})
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endfunction
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function! s:RegistrationCommands(host) abort
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" Register a temporary host clone for discovering specs
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let host_id = a:host.'-registration-clone'
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call remote#host#RegisterClone(host_id, a:host)
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let pattern = s:plugin_patterns[a:host]
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let paths = nvim_get_runtime_file('rplugin/'.a:host.'/'.pattern, 1)
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let paths = map(paths, 'tr(resolve(v:val),"\\","/")') " Normalize slashes #4795
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let paths = uniq(sort(paths))
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if empty(paths)
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return []
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endif
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for path in paths
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call remote#host#RegisterPlugin(host_id, path, [])
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endfor
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let channel = remote#host#Require(host_id)
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let lines = []
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let registered = []
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for path in paths
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unlet! specs
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let specs = rpcrequest(channel, 'specs', path)
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if type(specs) != type([])
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" host didn't return a spec list, indicates a failure while loading a
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" plugin
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continue
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endif
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call add(lines, "call remote#host#RegisterPlugin('".a:host
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\ ."', '".path."', [")
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for spec in specs
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call add(lines, " \\ ".string(spec).",")
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endfor
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call add(lines, " \\ ])")
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call add(registered, path)
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endfor
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echomsg printf("remote/host: %s host registered plugins %s",
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\ a:host, string(map(registered, "fnamemodify(v:val, ':t')")))
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" Delete the temporary host clone
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call jobstop(s:hosts[host_id].channel)
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call remove(s:hosts, host_id)
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call remove(s:plugins_for_host, host_id)
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return lines
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endfunction
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function! remote#host#UpdateRemotePlugins() abort
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let commands = []
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let hosts = keys(s:hosts)
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for host in hosts
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if has_key(s:plugin_patterns, host)
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try
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let commands +=
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\ ['" '.host.' plugins']
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\ + s:RegistrationCommands(host)
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\ + ['', '']
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catch
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echomsg v:throwpoint
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echomsg v:exception
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endtry
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endif
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endfor
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call writefile(commands, g:loaded_remote_plugins)
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echomsg printf('remote/host: generated rplugin manifest: %s',
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\ g:loaded_remote_plugins)
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endfunction
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function! remote#host#PluginsForHost(host) abort
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if !has_key(s:plugins_for_host, a:host)
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let s:plugins_for_host[a:host] = []
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end
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return s:plugins_for_host[a:host]
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endfunction
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function! remote#host#LoadErrorForHost(host, log) abort
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return 'Failed to load '. a:host . ' host. '.
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\ 'You can try to see what happened by starting nvim with '.
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\ a:log . ' set and opening the generated log file.'.
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\ ' Also, the host stderr is available in messages.'
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endfunction
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" Registration of standard hosts
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" Python/Python3
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call remote#host#Register('python', '*',
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\ function('provider#pythonx#Require'))
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call remote#host#Register('python3', '*',
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\ function('provider#pythonx#Require'))
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" Ruby
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call remote#host#Register('ruby', '*.rb',
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\ function('provider#ruby#Require'))
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" nodejs
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call remote#host#Register('node', '*',
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\ function('provider#node#Require'))
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" perl
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call remote#host#Register('perl', '*',
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\ function('provider#perl#Require'))
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