62 lines
1.3 KiB
VimL
62 lines
1.3 KiB
VimL
" Vim indent file
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" Language: MSDOS batch file (with NT command extensions)
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" Maintainer: Ken Takata
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" URL: https://github.com/k-takata/vim-dosbatch-indent
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" Last Change: 2021-10-18
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" Filenames: *.bat
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" License: VIM License
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal nosmartindent
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setlocal noautoindent
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setlocal indentexpr=GetDosBatchIndent(v:lnum)
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setlocal indentkeys=!^F,o,O
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setlocal indentkeys+=0=)
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let b:undo_indent = "setl ai< inde< indk< si<"
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if exists("*GetDosBatchIndent")
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finish
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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function! GetDosBatchIndent(lnum)
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let l:prevlnum = prevnonblank(a:lnum-1)
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if l:prevlnum == 0
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" top of file
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return 0
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endif
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" grab the previous and current line, stripping comments.
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let l:prevl = substitute(getline(l:prevlnum), '\c^\s*\%(@\s*\)\?rem\>.*$', '', '')
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let l:thisl = getline(a:lnum)
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let l:previ = indent(l:prevlnum)
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let l:ind = l:previ
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if l:prevl =~? '^\s*@\=if\>.*(\s*$' ||
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\ l:prevl =~? '\<do\>\s*(\s*$' ||
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\ l:prevl =~? '\<else\>\s*\%(if\>.*\)\?(\s*$' ||
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\ l:prevl =~? '^.*\(&&\|||\)\s*(\s*$'
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" previous line opened a block
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let l:ind += shiftwidth()
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endif
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if l:thisl =~ '^\s*)'
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" this line closed a block
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let l:ind -= shiftwidth()
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endif
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return l:ind
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: ts=8 sw=2 sts=2
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