" Vim indent file " Language: J " Maintainer: David Bürgin " URL: https://gitlab.com/glts/vim-j " Last Change: 2015-01-11 if exists('b:did_indent') finish endif let b:did_indent = 1 setlocal indentexpr=GetJIndent() setlocal indentkeys-=0{,0},:,0# setlocal indentkeys+=0),0<:>,=case.,=catch.,=catchd.,=catcht.,=do.,=else.,=elseif.,=end.,=fcase. let b:undo_indent = 'setlocal indentkeys< indentexpr<' if exists('*GetJIndent') finish endif " If g:j_indent_definitions is true, the bodies of explicit definitions of " adverbs, conjunctions, and verbs will be indented. Default is false (0). if !exists('g:j_indent_definitions') let g:j_indent_definitions = 0 endif function GetJIndent() abort let l:prevlnum = prevnonblank(v:lnum - 1) if l:prevlnum == 0 return 0 endif let l:indent = indent(l:prevlnum) let l:prevline = getline(l:prevlnum) if l:prevline =~# '^\s*\%(case\|catch[dt]\=\|do\|else\%(if\)\=\|fcase\|for\%(_\a\k*\)\=\|if\|select\|try\|whil\%(e\|st\)\)\.\%(\%(\' || l:prevline =~# '^\s*:\s*$') " Increase indentation in explicit definitions of adverbs, conjunctions, " and verbs let l:indent += shiftwidth() endif " Decrease indentation in lines that start with either control words that " continue or end a block, or the special items ")" and ":" if getline(v:lnum) =~# '^\s*\%()\|:\|\%(case\|catch[dt]\=\|do\|else\%(if\)\=\|end\|fcase\)\.\)' let l:indent -= shiftwidth() endif return l:indent endfunction