.vimrc

" Don't try to be vi compatible
set nocompatible

" Use legacy regex engine for performance
set regexpengine=1

" Color scheme
set t_Co=256
set background=dark
let g:solarized_termcolors=256
let g:solarized_termtrans=1
" colorscheme Sunburst
colorscheme synthetic

" Show tab indentation
:set list lcs=tab:\|\ 

" Helps force plugins to load correctly when it is turned back on below
filetype off

" NetRW File Explorer

" Keep the current directory and browsing directory synced
let g:netrw_keepdir = 0
" Show nested directory structure
let g:netrw_liststyle=3
" Hide (mostly) useless header info
let g:netrw_banner=0
" Hide some files
let g:netrw_list_hide = '\(^\|\s\s\)\zs\.\S\+,\(^\|\s\s\)ntuser\.\S\+'
autocmd FileType netrw set nolist

" For plugins to load correctly
filetype plugin indent on

" Pathogen (for plugins in .vim/bundle/*
execute pathogen#infect()


" Add bindings for Standard ML
augroup vimbettersml
  au!

  " ----- Keybindings -----

  au FileType sml nnoremap <silent> <buffer> <leader>t :SMLTypeQuery<CR>
  au FileType sml nnoremap <silent> <buffer> gd :SMLJumpToDef<CR>

  " open the REPL terminal buffer
  au FileType sml nnoremap <silent> <buffer> <leader>is :SMLReplStart<CR>
  " close the REPL (mnemonic: k -> kill)
  au FileType sml nnoremap <silent> <buffer> <leader>ik :SMLReplStop<CR>
  " build the project (using CM if possible)
  au FileType sml nnoremap <silent> <buffer> <leader>ib :SMLReplBuild<CR>
  " for opening a structure, not a file
  au FileType sml nnoremap <silent> <buffer> <leader>io :SMLReplOpen<CR>
  " use the current file into the REPL (even if using CM)
  au FileType sml nnoremap <silent> <buffer> <leader>iu :SMLReplUse<CR>
  " clear the REPL screen
  au FileType sml nnoremap <silent> <buffer> <leader>ic :SMLReplClear<CR>
  " set the print depth to 100
  au FileType sml nnoremap <silent> <buffer> <leader>ip :SMLReplPrintDepth<CR>

  " ----- Other settings -----

  " Uncomment to try out conceal characters
  "au FileType sml setlocal conceallevel=2

  " Uncomment to try out same-width conceal characters
  "let g:sml_greek_tyvar_show_tick = 1
augroup END


" Speed up CTRLP plugin using ripgrep (if we have it installed)
if executable('rg')
  set grepprg=rg\ --color=never

  " persist ctrlp cache...
  let g:ctrlp_cache_dir = $HOME . '/.cache/ctrlp'
  " Use ripgrep in CtrlP for listing files.
  let g:ctrlp_user_command = 'rg %s --files --color=never --glob ""'

  " ag is fast enough that CtrlP doesn't need to cache
  let g:ctrlp_use_caching = 0
else
  let g:ctrlp_clear_cache_on_exit = 0
endif

" Turn on syntax highlighting
syntax on

autocmd BufNewFile,BufRead *.eliom set syntax=ocaml
autocmd BufNewFile,BufRead *.re set syntax=rescript

" TODO: Pick a leader key
let mapleader = "\\"

" Security
set modelines=0

" Hybrid relative line numbers!
" (disabled due to bad performance on budget, mid14/15 macbooks)
" set number relativenumber
" set nu rnu
set number

" Show file stats
set ruler

" Blink cursor on error instead of beeping (grr)
set visualbell t_vb=    " turn off error beep/flash
set novisualbell        " turn off visual bell

" Encoding
set encoding=utf-8

" Cursor motion
set scrolloff=3
set backspace=indent,eol,start
set matchpairs+=<:> " use % to jump between pairs
runtime! macros/matchit.vim

" Move up/down editor lines
nnoremap j gj
nnoremap k gk

" Allow hidden buffers
set hidden
" Cycle between buffers with Ctrl+j/k
nnoremap <C-j> :bprev<CR>
nnoremap <C-k> :bnext<CR>


" Rendering
set ttyfast
set lazyredraw

" Status bar
set laststatus=2

" Last line
set showmode
set showcmd

" Searching
nnoremap / /\v
vnoremap / /\v
set hlsearch
set incsearch
set ignorecase
set smartcase
set showmatch
map <leader><space> :let @/=''<cr> " clear search

" know when violating 80 columns
set cc=80

" Remap help key.
inoremap <F1> <ESC>:set invfullscreen<CR>a
nnoremap <F1> :set invfullscreen<CR>
vnoremap <F1> :set invfullscreen<CR>

" Textmate holdouts

" Formatting
map <leader>q gqip

" Visualize tabs and newlines
set listchars=tab:▸\ ,eol:¬
" Uncomment this to enable by default:
" set list " To enable by default
" Or use your leader key + l to toggle on/off
map <leader>l :set list!<CR> " Toggle tabs and EOL

" Whitespace
set wrap
set linebreak
set nolist  " list disables linebreak
set textwidth=0
set formatoptions=tcqrn1
set tabstop=2
set shiftwidth=2
set softtabstop=2
set noshiftround
set autoindent
set expandtab

" auto indentation is shit
filetype indent off

" no swap
set nobackup
set nowritebackup
set noswapfile

" Extension-specific tweaks

" Disable quote concealing in JSON files
let g:vim_json_conceal=0

" Plugin customization

let g:user_emmet_install_global = 0
" ## added by OPAM user-setup for vim / base ## 93ee63e278bdfc07d1139a748ed3fff2 ## you can edit, but keep this line
let s:opam_share_dir = system("opam config var share")
let s:opam_share_dir = substitute(s:opam_share_dir, '[\r\n]*$', '', '')

let s:opam_configuration = {}

function! OpamConfOcpIndent()
  execute "set rtp^=" . s:opam_share_dir . "/ocp-indent/vim"
endfunction
let s:opam_configuration['ocp-indent'] = function('OpamConfOcpIndent')

function! OpamConfOcpIndex()
  execute "set rtp+=" . s:opam_share_dir . "/ocp-index/vim"
endfunction
let s:opam_configuration['ocp-index'] = function('OpamConfOcpIndex')

function! OpamConfMerlin()
  let l:dir = s:opam_share_dir . "/merlin/vim"
  execute "set rtp+=" . l:dir
endfunction
let s:opam_configuration['merlin'] = function('OpamConfMerlin')

let s:opam_packages = ["ocp-indent", "ocp-index", "merlin"]
let s:opam_check_cmdline = ["opam list --installed --short --safe --color=never"] + s:opam_packages
let s:opam_available_tools = split(system(join(s:opam_check_cmdline)))
for tool in s:opam_packages
  " Respect package order (merlin should be after ocp-index)
  if count(s:opam_available_tools, tool) > 0
    call s:opam_configuration[tool]()
  endif
endfor
" ## end of OPAM user-setup addition for vim / base ## keep this line