coc.vim

" coc.nvim settings
" ---

let g:coc_global_extensions = ['coc-snippets', 'coc-python', 'coc-json']

inoremap <silent><expr> <TAB>
      \ pumvisible() ? coc#_select_confirm() :
      \ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()

inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"

function! s:check_back_space() abort
	let col = col('.') - 1
	return ! col || getline('.')[col - 1] =~? '\s'
endfunction

augroup user_plugin_coc
	autocmd!
	autocmd CompleteDone * if pumvisible() == 0 | pclose | endif
augroup END

" use <c-space>for trigger completion
inoremap <silent><expr> <C-space> coc#refresh()

" Movement within 'ins-completion-menu'
imap <expr><C-j>   pumvisible() ? "\<Down>" : "\<C-j>"
imap <expr><C-k>   pumvisible() ? "\<Up>" : "\<C-k>"

" Scroll pages in menu
inoremap <expr><C-f> pumvisible() ? "\<PageDown>" : "\<Right>"
inoremap <expr><C-b> pumvisible() ? "\<PageUp>" : "\<Left>"
imap     <expr><C-d> pumvisible() ? "\<PageDown>" : "\<C-d>"
imap     <expr><C-u> pumvisible() ? "\<PageUp>" : "\<C-u>"

" Use `[c` and `]c` to navigate diagnostics
nmap <silent> [c <Plug>(coc-diagnostic-prev)
nmap <silent> ]c <Plug>(coc-diagnostic-next)

" Remap keys for gotos
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)
nmap <Leader>p <Plug>(coc-format)

nmap gs <Plug>(coc-git-chunkinfo)
nmap [g <Plug>(coc-git-prevchunk)
nmap ]g <Plug>(coc-git-nextchunk)
" show commit contains current position
nmap gC <Plug>(coc-git-commit)

" Use K to show documentation in preview window
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
	if (index(['vim', 'help'], &filetype) >= 0)
		execute 'h '.expand('<cword>')
	else
		let l:found = CocAction('doHover')
	endif
endfunction