vim: big update

- removed unnecessary plugins
- moved to lsp
- added vimrc

.vimrc

@@ -13,33 +13,34 @@ call vundle#begin()
     Plugin 'APZelos/blamer.nvim'
     Plugin 'airblade/vim-gitgutter'
     Plugin 'Chiel92/vim-autoformat'
-    Plugin 'deoplete-plugins/deoplete-docker'
-    Plugin 'deoplete-plugins/deoplete-jedi'
     Plugin 'editorconfig/editorconfig-vim'
     Plugin 'junegunn/fzf'
     Plugin 'junegunn/fzf.vim'
     Plugin 'junegunn/goyo.vim'
     Plugin 'junegunn/limelight.vim'
     Plugin 'frankier/neovim-colors-solarized-truecolor-only'
-    Plugin 'freitass/todo.txt-vim'
-    Plugin 'itspriddle/vim-shellcheck'
-    Plugin 'majutsushi/tagbar'
     Plugin 'mhinz/vim-startify'
     Plugin 'preservim/nerdtree'
     Plugin 'sheerun/vim-polyglot'
-    Plugin 'Shougo/deoplete-clangx'
-    Plugin 'Shougo/deoplete.nvim'
-    Plugin 'Shougo/neoinclude.vim'
     Plugin 'tpope/vim-fugitive'
     Plugin 'tpope/vim-sleuth'
     Plugin 'vim-airline/vim-airline'
     Plugin 'vim-airline/vim-airline-themes'
     Plugin 'wincent/terminus'
-    Plugin 'wokalski/autocomplete-flow'
     Plugin 'Xuyuanp/nerdtree-git-plugin'
     if !has('nvim')
         Plugin 'roxma/nvim-yarp'
         Plugin 'roxma/vim-hug-neovim-rpc'
+    else
+        Plugin 'mfussenegger/nvim-dap'
+        Plugin 'mfussenegger/nvim-lint'
+        Plugin 'mhartington/formatter.nvim'
+        Plugin 'nvim-neotest/nvim-nio'
+        Plugin 'rcarriga/nvim-dap-ui'
+        " the following order is important
+        Plugin 'williamboman/mason.nvim'
+        Plugin 'williamboman/mason-lspconfig.nvim'
+        Plugin 'neovim/nvim-lspconfig'
     endif
 call vundle#end()
 
@@ -65,19 +66,16 @@ let g:airline_powerline_fonts = 1
 let g:airline_symbols.colnr = ' C'
 let g:airline_theme='solarized'
 let g:airline#extensions#tabline#enabled = 1
+let g:blamer_enabled = 1
 let g:blamer_date_format = '%c'
 let g:blamer_delay = 500
 let g:blamer_prefix = '   > '
-let g:deoplete#enable_at_startup = 1
-let g:deoplete#sources#clang#libclang_path = '/usr/lib/llvm-default/lib/libclang.so.1'
-let g:deoplete#sources#clang#clang_header = '/usr/lib/llvm-default/lib/clang/default/include'
 let g:gitgutter_highlight_lines = 1
 let g:gitgutter_highlight_linenrs = 1
 let g:goyo_width = 120
 let g:startify_fortune_use_unicode = 1
 let g:startify_session_autoload = 1
 let g:startify_session_persistence = 1
-call deoplete#custom#var('omni', 'functions', {'lua': 'xolox#lua#omnifunc',})
 set encoding=utf-8
 set icon
 set smartcase
@@ -96,7 +94,6 @@ set foldlevelstart=1
 set listchars=eol:¶,tab:\»\ ,trail:~,extends:>,precedes:<,nbsp:+
 set list
 set updatetime=750
-set tags+=$HOME/.cache/cpp_tags
 
 " Fast split/window navigation with <Ctrl-hjkl>
 noremap <C-h> <C-w><C-h>
@@ -120,7 +117,6 @@ nnoremap <F9> za
 onoremap <F9> <C-C>za
 vnoremap <F9> zf
 map <C-n> :NERDTreeToggle<CR>
-map <C-b> :TagbarToggle<CR>
 nnoremap <Leader>b :BlamerToggle<CR>
 nnoremap <Leader>g :Goyo<CR>
 nnoremap <Leader>l :Limelight!!<CR>