ccls-nvim-init.vim

call plug#begin('~/.local/share/nvim/plugged')

" " Language Server Protocol (LSP) support 
Plug 'autozimu/LanguageClient-neovim', {
    \ 'branch': 'next',
    \ 'do': 'bash install.sh',
    \ }

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

Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }

Plug 'scrooloose/syntastic'
Plug 'jiangmiao/auto-pairs'
Plug 'luochen1990/rainbow'
Plug 'scrooloose/nerdtree'

" Initialize plugin system
call plug#end()

" Language-Client Config
let g:LanguageClient_serverCommands = {
    \ '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/tjm/.config/nvim/settings.json'

nn <silent> <M-j> :call LanguageClient#textDocument_definition()<cr>
nn <silent> <C-,> :call LanguageClient#textDocument_references({'includeDeclaration': v:false})<cr>
nn <silent> K :call LanguageClient#textDocument_hover()<cr>

augroup LanguageClient_config
  au!
  au BufEnter * let b:Plugin_LanguageClient_started = 0
  au User LanguageClientStarted setl signcolumn=yes
  au User LanguageClientStarted let b:Plugin_LanguageClient_started = 1
  au User LanguageClientStopped setl signcolumn=auto
  au User LanguageClientStopped let b:Plugin_LanguageClient_stopped = 0
  au CursorMoved * if b:Plugin_LanguageClient_started | sil call LanguageClient#textDocument_documentHighlight() | endif
augroup END

nn <silent> xh :call LanguageClient#findLocations({'method':'$ccls/navigate','direction':'L'})<cr>
nn <silent> xj :call LanguageClient#findLocations({'method':'$ccls/navigate','direction':'D'})<cr>
nn <silent> xk :call LanguageClient#findLocations({'method':'$ccls/navigate','direction':'U'})<cr>
nn <silent> xl :call LanguageClient#findLocations({'method':'$ccls/navigate','direction':'R'})<cr>

" one-level base
nn <silent> xB :call LanguageClient#findLocations({'method':'$ccls/base'})<cr>
" bases of up to 3 levels
nn <silent> xb :call LanguageClient#findLocations({'method':'$ccls/inheritanceHierarchy','flat':v:true,'levels':3,'derived':v:false})<cr>
" derived of up to 3 levels
nn <silent> xd :call LanguageClient#findLocations({'method':'$ccls/inheritanceHierarchy','flat':v:true,'levels':3,'derived':v:true})<cr>
nn <silent> xe :call LanguageClient#findLocations({'method':'$ccls/callers'})<cr>
nn <silent> xm :call LanguageClient#findLocations({'method':'$ccls/memberHierarchy','flat':v:true})<cr>
nn <silent> xt :call LanguageClient#textDocument_typeDefinition()<cr>
nn <silent> xv :call LanguageClient#findLocations({'method':'$ccls/vars'})<cr>
nn <silent> xV :call LanguageClient#findLocations({'method':'$ccls/vars','kind':1})<cr>
nn xx x

" NerdTree Config
augroup nerdtree_open
    autocmd!
    autocmd VimEnter * NERDTree | wincmd p
augroup END

nn <silent> <C-k><C-B> :NERDTreeToggle<CR>
nm <leader>nf :NERDTreeFind<CR>

" "Display line number
:set number

set autoindent
set tabstop=4
set softtabstop=4
set shiftwidth=4
set background=light