TeX match_words prototype

tex-mw.vim

let s:not_bslash = g:matchup#re#not_bslash

function! s:gen_match_words()
  let l:delims = [
        \ [ '\\l\(angle\|floor\|ceil\|[vV]ert\)\>', '\\r\1\>'],
        \ [ '\\ulcorner\>', '\\urcorner\>' ],
        \ [ '(', ')' ],
        \ [ s:not_bslash.'\[', s:not_bslash.']' ],
        \ [ '\\{', '\\}' ]
        \]

  let l:mods = [
        \ ['\\left', '\\right'],
        \ ['\(\\[bB]igg\?\)l', '\1r'],
        \ ['\(\\[bB]igg\?\)', '\1'],
        \ ['\%(\\left\|\\[bB]igg\?l\?\)\@<!',
        \  '\%(\\right\|\\[bB]igg\?r\?\)\@<!'],
        \]


  let l:match_words = ''
  for l:d in l:delims
    for l:m in l:mods
      let l:match_words .= (empty(l:match_words) ? '' : ',')
            \ . l:m[0].l:d[0].':'.l:m[1]
            \ . (l:m[1] =~# '\\1'
            \      ? substitute(l:d[1], '\\1', '\\2', 'g') : l:d[1])
    endfor
  endfor

  let l:match_words .= ',{:},\\(:\\),\\\[:\\]'
  let l:match_words .= ',\\begin\s*\({[^}]*}\):\\end\s*\1'

  return l:match_words
endfunction