vim-config/after/ftplugin/haskell.vim

setlocal ts=2 sw=2 expandtab

" tags
call CmdAlias('hasktags', '!hasktags -c .<CR>')

" from
" https://raw.githubusercontent.com/begriffs/haskell-vim-now/master/git-hscope
call CmdAlias('codex', 'call system("haskell-ctags")<CR><CR>call LoadHscope()<CR>')
call CmdAlias('Cc', 'Clap commits<CR>')


map <leader>ctg :codex<CR>
set tags=tags;/,codex.tags;/

" nnoremap <silent> <leader>cgd :cs find g <C-R>=expand("<cword>")<CR><CR>
nnoremap <silent> <C-\> :cs find c <C-R>=expand("<cword>")<CR><CR>

" set cscopeprg=do_at_stack_root\ hscope
set csre
set csto=1 " search codex tags first
set nocst
" set cscopequickfix=s-,c-,d-,i-,t-,e-,a-

function! LoadHscope()
	set nocscopeverbose " suppress 'duplicate connection' error
	let hsf = findfile("hscope.out", ".;")
	if filereadable(hsf)
		exe "cs add " . hsf
	elseif $HSCOPE_DB != ""
		cs add $HSCOPE_DB
	endif
	set cscopeverbose
endfunction
" au BufEnter /*.hs call LoadHscope()


call deoplete#enable()
call deoplete#custom#source('LanguageClient',
			\ 'min_pattern_length',
			\ 2)
inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"


" vim-lsp
if executable('haskell-language-server-wrapper')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'hls',
        \ 'cmd': {server_info->['haskell-language-server-wrapper', '--lsp']},
        \ 'allowlist': ['haskell'],
        \ })
endif