Change latex provider to luatex, closes #476

autoload/vimtex/debug.vim

@@ -0,0 +1,114 @@
+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#debug#stacktrace(...) abort " {{{1
+  "
+  " This function builds on Luc Hermite's answer on Stack Exchange:
+  " http://vi.stackexchange.com/a/6024/21
+  "
+
+  "
+  " Get stack and exception
+  "
+  if empty(v:throwpoint)
+    try
+      throw 'dummy'
+    catch
+      let l:stack = reverse(split(v:throwpoint, '\.\.'))[1:]
+      let l:exception = 'Manual stacktrace'
+    endtry
+  else
+    let l:stack = reverse(split(v:throwpoint, '\.\.'))
+    let l:exception = v:exception
+  endif
+
+  "
+  " Build the quickfix entries
+  "
+  let l:qflist = []
+  let l:files = {}
+  for l:func in l:stack
+    try
+      let [l:name, l:offset] = (l:func =~# '\S\+\[\d')
+            \ ? matchlist(l:func, '\(\S\+\)\[\(\d\+\)\]')[1:2]
+            \ : matchlist(l:func, '\(\S\+\), line \(\d\+\)')[1:2]
+    catch
+      let l:name = l:func
+      let l:offset = 0
+    endtry
+
+    if l:name =~# '\v(\<SNR\>|^)\d+_'
+      let l:sid = matchstr(l:name, '\v(\<SNR\>|^)\zs\d+\ze_')
+      let l:name  = substitute(l:name, '\v(\<SNR\>|^)\d+_', 's:', '')
+      let l:filename = substitute(
+            \ vimtex#util#command('scriptnames')[l:sid-1],
+            \ '^\s*\d\+:\s*', '', '')
+    else
+      let l:func_name = l:name =~# '^\d\+$' ? '{' . l:name . '}' : l:name
+      let l:filename = matchstr(
+            \ vimtex#util#command('verbose function ' . l:func_name)[1],
+            \ v:lang[0:1] ==# 'en'
+            \   ? 'Last set from \zs.*\.vim' : '\f\+\.vim')
+    endif
+
+    let l:filename = fnamemodify(l:filename, ':p')
+    if filereadable(l:filename)
+      if !has_key(l:files, l:filename)
+        let l:files[l:filename] = reverse(readfile(l:filename))
+      endif
+
+      if l:name =~# '^\d\+$'
+        let l:lnum = 0
+        let l:output = vimtex#util#command('function {' . l:name . '}')
+        let l:text = substitute(
+              \ matchstr(l:output, '^\s*' . l:offset),
+              \ '^\d\+\s*', '', '')
+      else
+        let l:lnum = l:offset + len(l:files[l:filename])
+              \ - match(l:files[l:filename], '^\s*fu\%[nction]!\=\s\+' . l:name .'(')
+        let l:lnum_rev = len(l:files[l:filename]) - l:lnum
+        let l:text = substitute(l:files[l:filename][l:lnum_rev], '^\s*', '', '')
+      endif
+    else
+      let l:filename = ''
+      let l:lnum = 0
+      let l:text = ''
+    endif
+
+    call add(l:qflist, {
+          \ 'filename': l:filename,
+          \ 'function': l:name,
+          \ 'lnum': l:lnum,
+          \ 'text': len(l:qflist) == 0 ? l:exception : l:text,
+          \ 'nr': len(l:qflist),
+          \})
+  endfor
+
+  " Fill in empty filenames
+  let l:prev_filename = '_'
+  call reverse(l:qflist)
+  for l:entry in l:qflist
+    if empty(l:entry.filename)
+      let l:entry.filename = l:prev_filename
+    endif
+    let l:prev_filename = l:entry.filename
+  endfor
+  call reverse(l:qflist)
+
+  if a:0 > 0
+    call setqflist(l:qflist)
+    execute 'copen' len(l:qflist) + 2
+    wincmd p
+  endif
+
+  return l:qflist
+endfunction
+
+" }}}1
+
+endif