For legacy python implementation, see branch master.

LanguageClient-neovim

Language Server Protocol (LSP) support for vim and neovim.

More recordings at Updates, screenshots & GIFs.

Features

Non-blocking asynchronous calls.
Sensible completion. Integrated well with deoplete or ncm2, or MUcomplete. Or simply with vim built-in omnifunc.
Realtime diagnostics/compiler/lint message.
Rename.
Hover/Get identifier info.
Goto definition.
Goto reference locations.
Workspace/Document symbols query.
Formatting.
Code Action/Quick Fix.

Quick Start

Using vim-plug:

Plug 'autozimu/LanguageClient-neovim', {
    \ 'branch': 'next',
    \ 'do': 'bash install.sh',
    \ }

" (Optional) Multi-entry selection UI.
Plug 'junegunn/fzf'

Example configuration

" Required for operations modifying multiple buffers like rename.
set hidden

let g:LanguageClient_serverCommands = {
    \ 'rust': ['~/.cargo/bin/rustup', 'run', 'stable', 'rls'],
    \ 'javascript': ['/usr/local/bin/javascript-typescript-stdio'],
    \ 'javascript.jsx': ['tcp://127.0.0.1:2089'],
    \ 'python': ['/usr/local/bin/pyls'],
    \ 'ruby': ['~/.rbenv/shims/solargraph', 'stdio'],
    \ }

nnoremap <F5> :call LanguageClient_contextMenu()<CR>
" Or map each action separately
nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> gd :call LanguageClient#textDocument_definition()<CR>
nnoremap <silent> <F2> :call LanguageClient#textDocument_rename()<CR>

Run command nvim +PlugInstall +UpdateRemotePlugins +qa in shell to install this plugin. Install corresponding language servers. Restart neovim/vim and language services will be available right away. Happy hacking!

Install

INSTALL

Troubleshooting

Language Servers

Note, you will also need language server(s) to take advantages of this plugin. To find list of language server implementations and how to install them, please see http://langserver.org and/or https://microsoft.github.io/language-server-protocol/implementors/servers/.

Documentation

:help LanguageClient for full list of configurations, commands and functions.

Changelog

See Updates. Subscribe the issue if you want to receive notifications.

Contributing

CONTRIBUTING

License

The MIT License.

symphorien/LanguageClient-neovim