neovim on megumin server: doing llvm

init.vim

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                                 dependency                                 "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 1. neovim
" 2. python3
" 3. pip install neovim
" 4. devicons: nerd font
" 5. clang-format: clang
"

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                                  vim-plug                                  "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
call plug#begin()

""""""""""
"  Misc  "
""""""""""
Plug 'vim-airline/vim-airline'
Plug 'jiangmiao/auto-pairs'
Plug 'mhinz/vim-startify'
Plug 'tpope/vim-surround'
"Plug 'tpope/vim-repeat'
Plug 'w0rp/ale'

"""""""""""""
"  Utility  "
"""""""""""""
Plug 'junegunn/vim-easy-align'
Plug 'scrooloose/nerdtree'
Plug 'tpope/vim-abolish'
Plug 'vim-scripts/VisIncr'
Plug 'rhysd/vim-clang-format'
"Plug 'tpope/vim-commentary'
Plug 'scrooloose/nerdcommenter'
Plug 'mattn/gist-vim' | Plug 'mattn/webapi-vim'

"""""""""
"  fzf  "
"""""""""
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

""""""""""""""
"  Snippets  "
""""""""""""""
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'

"""""""""""""""""""
"  Auto Complete  "
"""""""""""""""""""
Plug 'Shougo/deoplete.nvim', {'do': ':UpdateRemotePlugins'}
Plug 'Shougo/neco-syntax'
Plug 'tweekmonster/deoplete-clang2'
"Plug 'vim-scripts/AutoComplPop'
"Plug 'vim-scripts/OmniCppComplete'

""""""""""""
"  Denite  "
""""""""""""
"Plug 'Shougo/denite.nvim', {'do': ':UpdateRemotePlugins'}

"""""""""
"  git  "
"""""""""
Plug 'airblade/vim-gitgutter'
Plug 'tpope/vim-fugitive'

"""""""""""""""""
"  Text Object  "
"""""""""""""""""
Plug 'wellle/targets.vim'
Plug 'michaeljsmith/vim-indent-object'

"""""""""""""""""
"  Colorscheme  "
"""""""""""""""""
"Plug 'chriskempson/base16-vim'
Plug 'morhetz/gruvbox'

"""""""""""""""
"  Highlight  "
"""""""""""""""
Plug 'octol/vim-cpp-enhanced-highlight', {'for': 'cpp'}
Plug 'sheerun/vim-polyglot'
Plug 'kien/rainbow_parentheses.vim'
Plug 'arakashic/chromatica.nvim', {'for': 'cpp'}

""""""""""""""
"  devicons  "
""""""""""""""
" need to be loaded after NerdTree, startify, airline, denite...
Plug 'ryanoasis/vim-devicons'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'

call plug#end()

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                                  Settings                                  "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set number
set cursorline
set showmatch
set ignorecase
set smartcase
set splitbelow
set clipboard+=unnamedplus
set completeopt-=preview
" fileformat = dot (unix)

" ·: middle-dot by pressing CTRL-K then .M
" »: right-angle-quote by pressing CTRL-K then >>
set list
set listchars=tab:»·,trail:·,nbsp:+,precedes:<,extends:>

colo desert
" terminal true color support
"if has('nvim') || has('termguicolors')
  "set termguicolors
"endif
"let $NVIM_TUI_ENABLE_TRUE_COLOR=1

autocmd Filetype vim setlocal expandtab sw=2 ts=2 tw=78 nowrap
autocmd FileType c,cpp setlocal expandtab sw=2 ts=2 tw=80 wrap

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                                  Mapping                                   "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

" leader key
let g:mapleader = "\<Space>"
nnoremap <Space> <Nop>

" habbit
inoremap jk <ESC>
inoremap j: <ESC>:
inoremap kj <ESC>
nnoremap ; :
nnoremap : ;
xnoremap ; :

" move up/down not linewise when wrap
nnoremap j gj
nnoremap k gk

" remove trailing whitespace
nnoremap <silent> <Leader>rtw :%s/\s\+$//e<CR>:noh<CR>''

" toggle mapping
nnoremap <silent> 0 :call ToggleMovement('^', '0')<CR>
function! ToggleMovement(firstOp, thenOp)
  let pos = getpos('.')
  execute "normal! " . a:firstOp
  if pos == getpos('.')
    execute "normal! " . a:thenOp
  endif
endfunction

" Spacemacs style
nnoremap <Leader><TAB> <C-^>
nnoremap <Leader>sc :noh<CR>
nnoremap <Leader>j= mogg=G`ozz

" operation of config file
nnoremap <Leader>fed :e $MYVIMRC<CR>
nnoremap <Leader>fer :w<CR>:source $MYVIMRC<CR>
nnoremap <Leader>feR :w<CR>:source $MYVIMRC<CR>
nnoremap <Leader>feu :w<CR>:source $MYVIMRC<CR>:PlugUpdate<CR>
nnoremap <Leader>fei :w<CR>:source $MYVIMRC<CR>:PlugInstall<CR>

" window navigation
nnoremap <Leader>wh <C-W>h
nnoremap <Leader>wj <C-W>j
nnoremap <Leader>wk <C-W>k
nnoremap <Leader>wl <C-W>l
nnoremap <Leader>ww <C-W><C-W>
nnoremap <Leader>ws <C-W>s
nnoremap <Leader>wv <C-W>v
nnoremap <Leader>w= <C-W>=
nnoremap <Leader>wm :only<CR>

" Quickfix and Location list
nnoremap <Leader>cc :cc<CR>
nnoremap <Leader>cn :cn<CR>
nnoremap <Leader>cp :cp<CR>
nnoremap <Leader>cw :cw 10<CR>
nnoremap <Leader>cx :cclose<CR>
nmap [q :cp<CR>
nmap ]q :cn<CR>
nmap [Q :cfirst<CR>
nmap ]Q :clast<CR>
"nnoremap <Leader>ll :ll<CR>
"nnoremap <Leader>ln :lne<CR>
"nnoremap <Leader>lp :lp<CR>
"nnoremap <Leader>lw :lw 10<CR>
"nnoremap <Leader>lx :lclose<CR>

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                            Plugin Configuration                            "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

""""""""""""""""""""
"  vim-easy-align  "
""""""""""""""""""""
nmap ga <Plug>(EasyAlign)
xmap ga <Plug>(EasyAlign)

"""""""""""""
"  gruvbox  "
"""""""""""""
colo gruvbox

"""""""""""""
"  fzf.vim  "
"""""""""""""
nnoremap <Leader>ff :Files<CR>
nnoremap <Leader>bb :Buffers<CR>
nnoremap <Leader>l :BLines<CR>
nnoremap <Leader>h :Helptags<CR>
nnoremap <Leader>t :Tags<CR>

command! -bang -nargs=* Rg
			\ call fzf#vim#grep(
			\     'rg --column --line-number --no-heading --color=    always --ignore-case '.shellescape(<q-args>), 1,
			\     <bang>0 ? fzf#vim#with_preview('up:60%')
			\             : fzf#vim#with_preview('right:50%:hidden    ', '?'),
			\     <bang>0)

if executable("rg")
	nnoremap <Leader>sw :Rg <C-R><C-W><CR>
	nnoremap <Leader>ss :Rg<Space>
endif

""""""""""""""""""
"  vim-devicons  "
""""""""""""""""""
set encoding=utf8
" Use Nerd Font
" Guifont! Knack Nerd Font:h14 in ginit.vim
let g:airline_powerline_fonts = 1

"""""""""""""""
"  ultisnips  "
"""""""""""""""
let g:UltiSnipsEditSplit='horizontal'
"let g:UltiSnipsExpandTrigger="<Tab>"
"let g:UltiSnipsListSnippets="<C-Tab>"
"let g:UltiSnipsJumpForwardTrigger="<C-J>"
"let g:UltiSnipsJumpBackwardTrigger="<C-K>"

"""""""""""""""""""
"  deoplete.nvim  "
"""""""""""""""""""
let g:deoplete#enable_at_startup = 1

"""""""""""""""""""
"  nerdcommenter  "
"""""""""""""""""""
let g:NERDTrimTrailingWhitespace = 1
nmap <Leader>;; <plug>NERDCommenterInvert
xmap <Leader>; <plug>NERDCommenterInvert

""""""""""""""
"  nerdtree  "
""""""""""""""
let g:NERDTreeIgnore=[
      \ '\~$',
      \ '*.o',
      \ '^node_modules$[[dir]]',
      \ ]
nnoremap <F5> :NERDTreeToggle<CR>

""""""""""""""""""""""""""""""""
"  vim-cpp-enhanced-highlight  "
""""""""""""""""""""""""""""""""
let g:cpp_class_scope_highlight = 1
let g:cpp_member_variable_highlight = 1
let g:cpp_class_decl_highlight = 1

"""""""""""""""""""
"  vim-gitgutter  "
"""""""""""""""""""
let g:gitgutter_map_keys = 0
" hunk or change
nmap <Leader>ghs <Plug>GitGutterStageHunk
nmap <Leader>ghu <Plug>GitGutterUndoHunk
nmap <Leader>ghp <Plug>GitGutterPreviewHunk
omap ic <Plug>GitGutterTextObjectInnerPending
omap ac <Plug>GitGutterTextObjectOuterPending
xmap ic <Plug>GitGutterTextObjectOuterVisual
xmap ac <Plug>GitGutterTextObjectOuterVisual
nmap ]c <Plug>GitGutterNextHunk
nmap [c <Plug>GitGutterPrevHunk

""""""""""""""
"  fugitive  "
""""""""""""""
nnoremap <Leader>ga :Git add %:p<CR><CR>
nnoremap <Leader>gs :Gstatus<CR>
nnoremap <Leader>gc :Gcommit -v -q<CR>
nnoremap <Leader>gt :Gcommit -v -q %:p<CR>
nnoremap <Leader>gd :Gdiff<CR>
nnoremap <Leader>ge :Gedit<CR>
nnoremap <Leader>gr :Gread<CR>
nnoremap <Leader>gw :Gwrite<CR><CR>
nnoremap <Leader>gl :silent! Glog<CR>:bot copen<CR>
nnoremap <Leader>gp :Ggrep<Space>
nnoremap <Leader>gb :Git branch<Space>
nnoremap <Leader>go :Git checkout<Space>

"""""""""""""""""
"  vim-airline  "
"""""""""""""""""
let g:airline_powerline_fonts = 1
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" unicode symbols
let g:airline_symbols.crypt = '🔒'

" powerline symbols
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = '☰'
let g:airline_symbols.maxlinenr = ''

let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_tab_nr = 0

let g:airline#extensions#whitespace#mixed_indent_algo = 2
let g:airline#extensions#whitespace#checks = [ 'indent', 'trailing', 'long' ]

nmap <leader>1 <Plug>AirlineSelectTab1
nmap <leader>2 <Plug>AirlineSelectTab2
nmap <leader>3 <Plug>AirlineSelectTab3
nmap <leader>4 <Plug>AirlineSelectTab4
nmap <leader>5 <Plug>AirlineSelectTab5
nmap <leader>6 <Plug>AirlineSelectTab6
nmap <leader>7 <Plug>AirlineSelectTab7
nmap <leader>8 <Plug>AirlineSelectTab8
nmap <leader>9 <Plug>AirlineSelectTab9

""""""""""""""""""""""
"  vim-clang-format  "
""""""""""""""""""""""
let g:clang_format#code_style='llvm'

"""""""""""""""""""""
"  chromatica.nvim  "
"""""""""""""""""""""
let g:chromatica#libclang_path='/usr/lib/llvm-3.8/lib/libclang.so.1'
let g:chromatica#enable_at_startup=1

"""""""""
"  ale  "
"""""""""
let g:ale_sign_error = '×'
let g:ale_sign_warning = '⚠'
let g:ale_linters = {
      \   'javascript': ['standard'],
      \}
nmap <silent> [e <Plug>(ale_previous_wrap)
nmap <silent> ]e <Plug>(ale_next_wrap)

"""""""""""""""""""""""""
"  rainbow_parentheses  "
"""""""""""""""""""""""""
let g:rbpt_colorpairs = [
      \ ['brown',       'RoyalBlue3'],
      \ ['Darkblue',    'SeaGreen3'],
      \ ['darkgray',    'DarkOrchid3'],
      \ ['darkgreen',   'firebrick3'],
      \ ['darkcyan',    'RoyalBlue3'],
      \ ['darkred',     'SeaGreen3'],
      \ ['darkmagenta', 'DarkOrchid3'],
      \ ['brown',       'firebrick3'],
      \ ['gray',        'RoyalBlue3'],
      \ ['black',       'SeaGreen3'],
      \ ['darkmagenta', 'DarkOrchid3'],
      \ ['Darkblue',    'firebrick3'],
      \ ['darkgreen',   'RoyalBlue3'],
      \ ['darkcyan',    'SeaGreen3'],
      \ ['darkred',     'DarkOrchid3'],
      \ ['red',         'firebrick3'],
      \ ]
let g:rbpt_max = 16
let g:rbpt_loadcmd_toggle = 0
au VimEnter * RainbowParenthesesToggle
au Syntax * RainbowParenthesesLoadRound
au Syntax * RainbowParenthesesLoadSquare
au Syntax * RainbowParenthesesLoadBraces

""""""""""""""""""
"  vim-startify  "
""""""""""""""""""
"let g:startify_custom_header = []
"gen by: http://www.patorjk.com/software/taag/#p=display&f=ANSI%20Shadow&t=Neovim-qt
let g:ascii = [
      \ '███╗   ██╗███████╗ ██████╗ ██╗   ██╗██╗███╗   ███╗       ██████╗ ████████╗',
      \ '████╗  ██║██╔════╝██╔═══██╗██║   ██║██║████╗ ████║      ██╔═══██╗╚══██╔══╝',
      \ '██╔██╗ ██║█████╗  ██║   ██║██║   ██║██║██╔████╔██║█████╗██║   ██║   ██║   ',
      \ '██║╚██╗██║██╔══╝  ██║   ██║╚██╗ ██╔╝██║██║╚██╔╝██║╚════╝██║▄▄ ██║   ██║   ',
      \ '██║ ╚████║███████╗╚██████╔╝ ╚████╔╝ ██║██║ ╚═╝ ██║      ╚██████╔╝   ██║   ',
      \ '╚═╝  ╚═══╝╚══════╝ ╚═════╝   ╚═══╝  ╚═╝╚═╝     ╚═╝       ╚══▀▀═╝    ╚═╝   ',
      \ ]
" center the header
function! s:filter_header(lines) abort
  let longest_line   = max(map(copy(a:lines), 'strwidth(v:val)'))
  let centered_lines = map(copy(a:lines),
        \ 'repeat(" ", (&columns / 2) - (longest_line / 2)) . v:val')
  return centered_lines
endfunction
let g:startify_custom_header = s:filter_header(g:ascii)
let g:startify_list_order = [
      \ ['   Bookmarks'],
      \ 'bookmarks',
      \ ['   MRU directories'],
      \ 'dir',
      \ ['   MRU files'],
      \ 'files',
      \ ]
let g:startify_bookmarks = [
      \ {'c': '~/AppData/Local/nvim/init.vim'},
      \ ]
let g:startify_custom_footer =
      \ ['', "   Vim is charityware. Please read ':help uganda'.", '']
let g:startify_skiplist = [
      \ 'COMMIT_EDITMSG',
      \ '/data/repo/neovim/runtime/doc',
      \ '/Users/mhi/local/vim/share/vim/vim74/doc',
      \ '~/AppData/Local/nvim/plugged',
      \ ]
let g:startify_enable_special = 0
let g:startify_files_number = 5