gistfile1.txt

call plug#begin(stdpath('data') . '/plugged')

Plug 'tpope/vim-sensible'

" Theme
Plug 'nanotech/jellybeans.vim'

" NetRW
Plug 'tpope/vim-vinegar'
let g:netrw_liststyle = 3

" Language / Syntax highlighting
Plug 'cespare/vim-toml'
Plug 'rust-lang/rust.vim'
Plug 'tpope/vim-markdown'

" Picker
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim'
Plug 'nvim-telescope/telescope-fzf-native.nvim', { 'do': 'make' }

" LSP
Plug 'neovim/nvim-lspconfig'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-path'
Plug 'hrsh7th/cmp-cmdline'
Plug 'hrsh7th/nvim-cmp'

Plug 'hrsh7th/cmp-vsnip'
Plug 'hrsh7th/vim-vsnip'

" Comments
Plug 'tpope/vim-commentary'

" Treesitter
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}  " We recommend updating the parsers on update
call plug#end()

lua << EOF
local cmp = require'cmp'
cmp.setup {
  snippet = {
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body)
    end,
  },
  sources = {
    { name = 'nvim_lsp' },
    { name = 'buffer' },
    { name = 'path' },
    { name = 'cmdline' },
    { name = 'vsnip' },
  },
  mapping = {
    ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
    ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
    ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
    ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
    ['<C-e>'] = cmp.mapping({
      i = cmp.mapping.abort(),
      c = cmp.mapping.close(),
    }),
    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
  },
}

-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline('/', {
  sources = {
    { name = 'buffer' }
  }
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(':', {
  sources = cmp.config.sources({
    { name = 'path' }
  }, {
    { name = 'cmdline' }
  })
})

local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

  -- Enable completion triggered by <c-x><c-o>
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }

  -- See `:help vim.lsp.*` for documentation on any of the below functions
  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  buf_set_keymap('n', '<space>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
  buf_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
  buf_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<space>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
  buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)

end

local lsp_config = require('lspconfig')

local servers = {'clangd', 'pyls', 'rust_analyzer'}
for _, lsp in ipairs(servers) do
    lsp_config[lsp].setup {
        capabilities = capabilities,
        on_attach = on_attach,
        flags = {
            debounce_text_changes = 150,
        }
    }
end

require'nvim-treesitter.configs'.setup {
  ensure_installed = "maintained",
  sync_install = false,
  highlight = {
    enable = true,
  },
  indent = {
    enable = true,
  },
}
EOF

set foldmethod=expr
set foldexpr=nvim_treesitter#foldexpr()

" Expand
imap <expr> <C-j>   vsnip#expandable()  ? '<Plug>(vsnip-expand)'         : '<C-j>'
smap <expr> <C-j>   vsnip#expandable()  ? '<Plug>(vsnip-expand)'         : '<C-j>'

" Expand or jump
imap <expr> <C-l>   vsnip#available(1)  ? '<Plug>(vsnip-expand-or-jump)' : '<C-l>'
smap <expr> <C-l>   vsnip#available(1)  ? '<Plug>(vsnip-expand-or-jump)' : '<C-l>'

" Jump forward or backward
imap <expr> <Tab>   vsnip#jumpable(1)   ? '<Plug>(vsnip-jump-next)'      : '<Tab>'
smap <expr> <Tab>   vsnip#jumpable(1)   ? '<Plug>(vsnip-jump-next)'      : '<Tab>'
imap <expr> <S-Tab> vsnip#jumpable(-1)  ? '<Plug>(vsnip-jump-prev)'      : '<S-Tab>'
smap <expr> <S-Tab> vsnip#jumpable(-1)  ? '<Plug>(vsnip-jump-prev)'      : '<S-Tab>'

" Select or cut text to use as $TM_SELECTED_TEXT in the next snippet.
" See https://github.com/hrsh7th/vim-vsnip/pull/50
nmap        s   <Plug>(vsnip-select-text)
xmap        s   <Plug>(vsnip-select-text)
nmap        S   <Plug>(vsnip-cut-text)
xmap        S   <Plug>(vsnip-cut-text)

set completeopt=menu,menuone,noselect

set hidden
set nobackup
set nowritebackup

set shortmess=asWAcS

" colors
syntax on
set termguicolors
colorscheme jellybeans

" Numbering
set number relativenumber

" Column highlighting
" set colorcolumn=120

" Always show status bar
set laststatus=2

" Expand command size
set cmdheight=2

filetype plugin indent on

set expandtab
set tabstop=4
set shiftwidth=4

" Undo/backup
set undofile
set undodir=~/.undo/
set undoreload=100

" Disable mouse
set mouse=
map <ScrollWheelUp> <nop>
map <S-ScrollWheelUp> <nop>
map <C-ScrollWheelUp>  <nop>
map <ScrollWheelDown>  <nop>
map <S-ScrollWheelDown>  <nop>
map <C-ScrollWheelDown>  <nop>

" Set language
autocmd BufRead,BufNewFile *.md,*.tex,*.txt setlocal spell
set spelllang=en_us

if has("multi_byte")
	if &termencoding == ""
		let &termencoding = &encoding
	endif
	set encoding=utf-8
	setglobal fileencoding=utf-8
	set fileencodings=ucs-bom,utf-8,latin1
endif

nnoremap <silent> <Space> @=(foldlevel('.')?'za':"\<Space>")<CR>
vnoremap <Space> zf

nnoremap tc <cmd>tabnew<cr>
nnoremap tn <cmd>tabnext<cr>
nnoremap tp <cmd>tabprevious<cr>
nnoremap <C-PageUp> <cmd>tabnext<cr>
nnoremap <C-PageDown> <cmd>tabprevious<cr>
nnoremap tf <cmd>Telescope find_files<cr>
nnoremap tg <cmd>Telescope live_grep<cr>
nnoremap th <cmd>Telescope help_tags<cr>
nnoremap tb <cmd>Telescope buffers<cr>
nnoremap td <cmd>Telescope lsp_definitions<cr>
nnoremap wt <cmd>Lexplore<cr>