ftplugin/dhall.vim


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let s:base = expand("<sfile>:h:h")
let Filter = { _, v -> stridx(v, s:base) == -1 && stridx(v, $VIMRUNTIME) == -1 && v !~ "after" }
let files = filter(globpath(&rtp, 'ftplugin/dhall.vim', 1, 1), Filter)
if len(files) > 0
  exec 'source ' . files[0]
  finish
endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'dhall') == -1

if exists('b:dhall_ftplugin')
	finish
endif
let b:dhall_ftplugin = 1

setlocal commentstring=--\ %s

set smarttab

if exists('g:dhall_use_ctags')
    if g:dhall_use_ctags == 1
        autocmd BufWritePost *.dhall silent !ctags -R .
    endif
endif

function! StripTrailingWhitespace()
    let myline=line('.')
    let mycolumn = col('.')
    exec 'silent %s/  *$//'
    call cursor(myline, mycolumn)
endfunction

if exists('g:dhall_strip_whitespace')
    if g:dhall_strip_whitespace == 1
        au BufWritePre *.dhall silent! call StripTrailingWhitespace()
    endif
endif

function! DhallFormat()
    let cursor = getpos('.')
    exec 'normal! gg'
    exec 'silent !dhall format --inplace ' . expand('%')
    exec 'e'
    call setpos('.', cursor)
endfunction

if exists('g:dhall_format')
    if g:dhall_format == 1
        au BufWritePost *.dhall call DhallFormat()
    endif
endif

au BufNewFile,BufRead *.dhall setl shiftwidth=2

endif