Change latex provider to luatex, closes #476

autoload/unite/sources/vimtex.vim

@@ -0,0 +1,87 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+
+" vimtex - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+let s:source = {
+      \ 'name' : 'vimtex',
+      \ 'sorters' : 'sorter_nothing',
+      \ 'default_kind' : 'jump_list',
+      \ 'syntax' : 'uniteSource__vimtex',
+      \ 'entries' : [],
+      \ 'maxlevel' : 1,
+      \ 'hooks' : {},
+      \}
+
+function! s:source.gather_candidates(args, context) abort " {{{1
+  if exists('b:vimtex')
+    let s:source.entries = vimtex#parser#toc()
+    let s:source.maxlevel = max(map(copy(s:source.entries), 'v:val.level'))
+  endif
+  return map(copy(s:source.entries),
+        \ 's:create_candidate(v:val, s:source.maxlevel)')
+endfunction
+
+" }}}1
+function! s:source.hooks.on_syntax(args, context) abort " {{{1
+  syntax match VimtexTocSecs /.* @\d$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocSec0 /.* @0$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocSec1 /.* @1$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocSec2 /.* @2$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocSec3 /.* @3$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocSec4 /.* @4$/
+        \ contains=VimtexTocNum,VimtexTocTag,@Tex
+        \ contained containedin=uniteSource__vimtex
+  syntax match VimtexTocNum
+        \ /\%69v\%(\%([A-Z]\+\>\|\d\+\)\%(\.\d\+\)*\)\?\s*@\d$/
+        \ contains=VimtexTocLevel
+        \ contained containedin=VimtexTocSec[0-9*]
+  syntax match VimtexTocTag
+        \ /\[.\]\s*@\d$/
+        \ contains=VimtexTocLevel
+        \ contained containedin=VimtexTocSec[0-9*]
+  syntax match VimtexTocLevel
+        \ /@\d$/ conceal
+        \ contained containedin=VimtexTocNum,VimtexTocTag
+endfunction
+
+" }}}1
+
+function! s:create_candidate(entry, maxlevel) abort " {{{1
+  let level = a:maxlevel - a:entry.level
+  let title = printf('%-65S%-10s',
+        \ strpart(repeat(' ', 2*level) . a:entry.title, 0, 60),
+        \ b:vimtex.toc.print_number(a:entry.number))
+  return {
+        \ 'word' : title,
+        \ 'abbr' : title . ' @' . level,
+        \ 'action__path' : a:entry.file,
+        \ 'action__line' : get(a:entry, 'line', 0),
+        \ }
+endfunction
+
+" }}}1
+
+function! unite#sources#vimtex#define() abort
+  return s:source
+endfunction
+
+let &cpo = s:save_cpo
+
+endif