From 3cdf79b663b9242c2af9947673bdf5c5c501b394 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Wed, 10 Oct 2018 22:04:18 -0700
Subject: [PATCH] LanguageClient-neovim: add formatexpr ; hasSnippetSupport

---
 LanguageClient-neovim.md | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/LanguageClient-neovim.md b/LanguageClient-neovim.md
index 2a5706a..d0a541f 100644
--- a/LanguageClient-neovim.md
+++ b/LanguageClient-neovim.md
@@ -20,12 +20,16 @@ nvim +PlugInstall +UpdateRemotePlugins +qa
 `~/.config/nvim/init.vim`
 ```vim
 let g:LanguageClient_serverCommands = {
-    \ 'cpp': ['ccls', '--log-file=/tmp/cc.log'],
     \ 'c': ['ccls', '--log-file=/tmp/cc.log'],
+    \ 'cpp': ['ccls', '--log-file=/tmp/cc.log'],
+    \ 'cuda': ['ccls', '--log-file=/tmp/cc.log'],
+    \ 'objc': ['ccls', '--log-file=/tmp/cc.log'],
     \ }
 
 let g:LanguageClient_loadSettings = 1 " Use an absolute configuration path if you want system-wide settings
 let g:LanguageClient_settingsPath = '/home/YOUR_USERNAME/.config/nvim/settings.json'
+" https://github.com/autozimu/LanguageClient-neovim/issues/379 LSP snippet is not supported
+let g:LanguageClient_hasSnippetSupport = 0
 ```
 
 Make sure you have `.ccls` or [[compile_commands.json]] in your project root. Open a file in the project, run `:LanguageClientStart`.
@@ -119,3 +123,14 @@ nn xx x
 ![$ccls/member](https://ptpb.pw/V8WR.jpg)
 
 There are also hierarchical views of `$ccls/call` `$ccls/inheritance` `$ccls/member` (see the Emacs page) but they have not been implemented by a Vim plugin.
+
+### Formatting
+
+```vim
+fu! C_init()
+  setl formatexpr=LanguageClient#textDocument_rangeFormatting()
+endf
+au FileType c,cpp,cuda,objc :call C_init()
+```
+
+In visual mode, `=` will invoke `textDocument/rangeFormatting`, which is a replacement of the `clang-format` command (both of them use the clangFormat library).