Change latex provider to luatex, closes #476

autoload/vimtex/pos.vim

@@ -0,0 +1,97 @@
+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
+"
+
+function! vimtex#pos#set_cursor(...) abort " {{{1
+  call cursor(s:parse_args(a:000))
+endfunction
+
+" }}}1
+function! vimtex#pos#get_cursor() abort " {{{1
+  return exists('*getcurpos') ? getcurpos() : getpos('.')
+endfunction
+
+" }}}1
+function! vimtex#pos#get_cursor_line() abort " {{{1
+  let l:pos = vimtex#pos#get_cursor()
+  return l:pos[1]
+endfunction
+
+" }}}1
+
+function! vimtex#pos#val(...) abort " {{{1
+  let [l:lnum, l:cnum; l:rest] = s:parse_args(a:000)
+
+  return 100000*l:lnum + min([l:cnum, 90000])
+endfunction
+
+" }}}1
+function! vimtex#pos#next(...) abort " {{{1
+  let [l:lnum, l:cnum; l:rest] = s:parse_args(a:000)
+
+  return l:cnum < strlen(getline(l:lnum))
+        \ ? [0, l:lnum, l:cnum+1, 0]
+        \ : [0, l:lnum+1, 1, 0]
+endfunction
+
+" }}}1
+function! vimtex#pos#prev(...) abort " {{{1
+  let [l:lnum, l:cnum; l:rest] = s:parse_args(a:000)
+
+  return l:cnum > 1
+        \ ? [0, l:lnum, l:cnum-1, 0]
+        \ : [0, max([l:lnum-1, 1]), strlen(getline(l:lnum-1)), 0]
+endfunction
+
+" }}}1
+function! vimtex#pos#larger(pos1, pos2) abort " {{{1
+  return vimtex#pos#val(a:pos1) > vimtex#pos#val(a:pos2)
+endfunction
+
+" }}}1
+function! vimtex#pos#equal(p1, p2) abort " {{{1
+  let l:pos1 = s:parse_args(a:p1)
+  let l:pos2 = s:parse_args(a:p2)
+  return l:pos1[:1] == l:pos2[:1]
+endfunction
+
+" }}}1
+function! vimtex#pos#smaller(pos1, pos2) abort " {{{1
+  return vimtex#pos#val(a:pos1) < vimtex#pos#val(a:pos2)
+endfunction
+
+" }}}1
+
+function! s:parse_args(args) abort " {{{1
+  "
+  " The arguments should be in one of the following forms (when unpacked):
+  "
+  "   [lnum, cnum]
+  "   [bufnum, lnum, cnum, ...]
+  "   {'lnum' : lnum, 'cnum' : cnum}
+  "
+
+  if len(a:args) > 1
+    return s:parse_args([a:args])
+  elseif len(a:args) == 1
+    if type(a:args[0]) == type({})
+      return [get(a:args[0], 'lnum'), get(a:args[0], 'cnum')]
+    else
+      if len(a:args[0]) == 2
+        return a:args[0]
+      else
+        return a:args[0][1:]
+      endif
+    endif
+  else
+    return a:args
+  endif
+endfunction
+
+" }}}1
+
+endif