Change latex provider to luatex, closes #476

autoload/vimtex/syntax/p/biblatex.vim

@@ -0,0 +1,84 @@
+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#syntax#p#biblatex#load() abort " {{{1
+  if has_key(b:vimtex_syntax, 'biblatex') | return | endif
+  let b:vimtex_syntax.biblatex = 1
+
+  if get(g:, 'tex_fast', 'r') !~# 'r' | return | endif
+
+  for l:pattern in [
+        \ 'bibentry',
+        \ 'cite[pt]?\*?',
+        \ 'citeal[tp]\*?',
+        \ 'cite(num|text|url)',
+        \ '[Cc]ite%(title|author|year(par)?|date)\*?',
+        \ '[Pp]arencite\*?',
+        \ 'foot%(full)?cite%(text)?',
+        \ 'fullcite',
+        \ '[Tt]extcite',
+        \ '[Ss]martcite',
+        \ 'supercite',
+        \ '[Aa]utocite\*?',
+        \ '[Ppf]?[Nn]otecite',
+        \ '%(text|block)cquote\*?',
+        \]
+    execute 'syntax match texStatement'
+          \ '/\v\\' . l:pattern . '\ze\s*%(\[|\{)/'
+          \ 'nextgroup=texRefOption,texCite'
+  endfor
+
+  for l:pattern in [
+        \ '[Cc]ites',
+        \ '[Pp]arencites',
+        \ 'footcite%(s|texts)',
+        \ '[Tt]extcites',
+        \ '[Ss]martcites',
+        \ 'supercites',
+        \ '[Aa]utocites',
+        \ '[pPfFsStTaA]?[Vv]olcites?',
+        \ 'cite%(field|list|name)',
+        \]
+    execute 'syntax match texStatement'
+          \ '/\v\\' . l:pattern . '\ze\s*%(\[|\{)/'
+          \ 'nextgroup=texRefOptions,texCites'
+  endfor
+
+  for l:pattern in [
+        \ '%(foreign|hyphen)textcquote\*?',
+        \ '%(foreign|hyphen)blockcquote',
+        \ 'hybridblockcquote',
+        \]
+    execute 'syntax match texStatement'
+          \ '/\v\\' . l:pattern . '\ze\s*%(\[|\{)/'
+          \ 'nextgroup=texQuoteLang'
+  endfor
+
+  syntax region texRefOptions contained matchgroup=Delimiter
+        \ start='\[' end=']'
+        \ contains=@texRefGroup,texRefZone
+        \ nextgroup=texRefOptions,texCites
+
+  syntax region texCites contained matchgroup=Delimiter
+        \ start='{' end='}'
+        \ contains=@texRefGroup,texRefZone,texCites
+        \ nextgroup=texRefOptions,texCites
+
+  syntax region texQuoteLang contained matchgroup=Delimiter
+        \ start='{' end='}'
+        \ transparent
+        \ contains=@texMatchGroup
+        \ nextgroup=texRefOption,texCite
+
+  highlight def link texRefOptions texRefOption
+  highlight def link texCites texCite
+endfunction
+
+" }}}1
+
+endif