Update runtime files

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@@ -814,6 +814,8 @@ RT_SCRIPTS =	\
 		runtime/plugin/README.txt \
 		runtime/syntax/*.vim \
 		runtime/syntax/README.txt \
+		runtime/syntax/shared/*.vim \
+		runtime/syntax/shared/README.txt \
 
 # Unix runtime
 RT_UNIX =	\

runtime/autoload/context.vim

@@ -1,184 +1,95 @@
-" Language:           ConTeXt typesetting engine
-" Maintainer:         Nicola Vitacolonna <nvitacolonna@gmail.com>
-" Latest Revision:    2016 Oct 21
-
-let s:keepcpo= &cpo
-set cpo&vim
-
-" Helper functions {{{
-function! s:context_echo(message, mode)
-  redraw
-  echo "\r"
-  execute 'echohl' a:mode
-  echomsg '[ConTeXt]' a:message
-  echohl None
-endf
-
-function! s:sh()
-  return has('win32') || has('win64') || has('win16') || has('win95')
-        \ ? ['cmd.exe', '/C']
-        \ : ['/bin/sh', '-c']
-endfunction
-
-" For backward compatibility
-if exists('*win_getid')
-
-  function! s:win_getid()
-    return win_getid()
-  endf
-
-  function! s:win_id2win(winid)
-    return win_id2win(a:winid)
-  endf
-
-else
-
-  function! s:win_getid()
-    return winnr()
-  endf
-
-  function! s:win_id2win(winnr)
-    return a:winnr
-  endf
-
-endif
-" }}}
-
-" ConTeXt jobs {{{
-if has('job')
-
-  let g:context_jobs = []
-
-  " Print the status of ConTeXt jobs
-  function! context#job_status()
-    let l:jobs = filter(g:context_jobs, 'job_status(v:val) == "run"')
-    let l:n = len(l:jobs)
-    call s:context_echo(
-          \ 'There '.(l:n == 1 ? 'is' : 'are').' '.(l:n == 0 ? 'no' : l:n)
-          \ .' job'.(l:n == 1 ? '' : 's').' running'
-          \ .(l:n == 0 ? '.' : ' (' . join(l:jobs, ', ').').'),
-          \ 'ModeMsg')
-  endfunction
-
-  " Stop all ConTeXt jobs
-  function! context#stop_jobs()
-    let l:jobs = filter(g:context_jobs, 'job_status(v:val) == "run"')
-    for job in l:jobs
-      call job_stop(job)
-    endfor
-    sleep 1
-    let l:tmp = []
-    for job in l:jobs
-      if job_status(job) == "run"
-        call add(l:tmp, job)
-      endif
-    endfor
-    let g:context_jobs = l:tmp
-    if empty(g:context_jobs)
-      call s:context_echo('Done. No jobs running.', 'ModeMsg')
+vim9script
+
+# Language:           ConTeXt typesetting engine
+# Maintainer:         Nicola Vitacolonna <nvitacolonna@gmail.com>
+# Former Maintainers: Nikolai Weibull <now@bitwi.se>
+# Latest Revision:    2022 Aug 12
+
+# Typesetting {{{
+import autoload './typeset.vim'
+
+export def ConTeXtCmd(path: string): list<string>
+  return ['mtxrun', '--script', 'context', '--nonstopmode', '--autogenerate', path]
+enddef
+
+export def Typeset(bufname: string, env = {}, Cmd = ConTeXtCmd): bool
+  return typeset.TypesetBuffer(bufname, Cmd, env, 'ConTeXt')
+enddef
+
+export def JobStatus()
+  typeset.JobStatus('ConTeXt')
+enddef
+
+export def StopJobs()
+  typeset.StopJobs('ConTeXt')
+enddef
+
+export def Log(bufname: string)
+  execute 'edit' typeset.LogPath(bufname)
+enddef
+# }}}
+
+# Completion {{{
+def BinarySearch(base: string, keywords: list<string>): list<string>
+  const pat = '^' .. base
+  const len = len(keywords)
+  var res = []
+  var lft = 0
+  var rgt = len
+
+  # Find the leftmost index matching base
+  while lft < rgt
+    var i = (lft + rgt) / 2
+    if keywords[i] < base
+      lft = i + 1
     else
-      call s:context_echo('There are still some jobs running. Please try again.', 'WarningMsg')
+      rgt = i
     endif
-  endfunction
+  endwhile
 
-  function! context#callback(path, job, status)
-    if index(g:context_jobs, a:job) != -1 && job_status(a:job) != 'run' " just in case
-      call remove(g:context_jobs, index(g:context_jobs, a:job))
+  while lft < len && keywords[lft] =~ pat
+    add(res, keywords[lft])
+    lft += 1
+  endwhile
+
+  return res
+enddef
+
+var isMetaPostBlock = false
+
+var MP_KEYWORDS:  list<string> = []
+var CTX_KEYWORDS: list<string> = []
+
+# Complete only MetaPost keywords in MetaPost blocks, and complete only
+# ConTeXt keywords otherwise.
+export def Complete(findstart: number, base: string): any
+  if findstart == 1
+    if len(synstack(line("."), 1)) > 0 && synIDattr(synstack(line("."), 1)[0], "name") ==# 'contextMPGraphic'
+      isMetaPostBlock = true
+      return match(getline('.'), '\S\+\%' .. col('.') .. 'c')
+    endif
+
+    # Complete only \commands starting with a backslash
+    isMetaPostBlock = false
+    var pos = match(getline('.'), '\\\zs\S\+\%' .. col('.') .. 'c')
+    return (pos == -1) ? -3 : pos
+  endif
+
+  if isMetaPostBlock
+    if empty(MP_KEYWORDS)
+      MP_KEYWORDS = sort(syntaxcomplete#OmniSyntaxList(['mf\w\+', 'mp\w\+']))
     endif
-    call s:callback(a:path, a:job, a:status)
-  endfunction
-
-  function! context#close_cb(channel)
-    call job_status(ch_getjob(a:channel)) " Trigger exit_cb's callback for faster feedback
-  endfunction
-
-  function! s:typeset(path)
-    call add(g:context_jobs,
-          \ job_start(add(s:sh(), context#command() . ' ' . shellescape(fnamemodify(a:path, ":t"))), {
-          \   'close_cb' : 'context#close_cb',
-          \   'exit_cb'  : function(get(b:, 'context_callback', get(g:, 'context_callback', 'context#callback')),
-          \                         [a:path]),
-          \   'in_io'    : 'null'
-          \ }))
-  endfunction
-
-else " No jobs
-
-  function! context#job_status()
-    call s:context_echo('Not implemented', 'WarningMsg')
-  endfunction!
-
-  function! context#stop_jobs()
-    call s:context_echo('Not implemented', 'WarningMsg')
-  endfunction
-
-  function! context#callback(path, job, status)
-    call s:callback(a:path, a:job, a:status)
-  endfunction
-
-  function! s:typeset(path)
-    execute '!' . context#command() . ' ' . shellescape(fnamemodify(a:path, ":t"))
-    call call(get(b:, 'context_callback', get(g:, 'context_callback', 'context#callback')),
-          \ [a:path, 0, v:shell_error])
-  endfunction
-
-endif " has('job')
-
-function! s:callback(path, job, status) abort
-  if a:status < 0 " Assume the job was terminated
-    return
+    return BinarySearch(base, MP_KEYWORDS)
   endif
-  " Get info about the current window
-  let l:winid = s:win_getid()             " Save window id
-  let l:efm = &l:errorformat              " Save local errorformat
-  let l:cwd = fnamemodify(getcwd(), ":p") " Save local working directory
-  " Set errorformat to parse ConTeXt errors
-  execute 'setl efm=' . escape(b:context_errorformat, ' ')
-  try " Set cwd to expand error file correctly
-    execute 'lcd' fnameescape(fnamemodify(a:path, ':h'))
-  catch /.*/
-    execute 'setl efm=' . escape(l:efm, ' ')
-    throw v:exception
-  endtry
-  try
-    execute 'cgetfile' fnameescape(fnamemodify(a:path, ':r') . '.log')
-    botright cwindow
-  finally " Restore cwd and errorformat
-    execute s:win_id2win(l:winid) . 'wincmd w'
-    execute 'lcd ' . fnameescape(l:cwd)
-    execute 'setl efm=' . escape(l:efm, ' ')
-  endtry
-  if a:status == 0
-    call s:context_echo('Success!', 'ModeMsg')
-  else
-    call s:context_echo('There are errors. ', 'ErrorMsg')
+
+  if empty(CTX_KEYWORDS)
+    CTX_KEYWORDS = sort(syntaxcomplete#OmniSyntaxList([
+      'context\w\+', 'texAleph', 'texEtex', 'texLuatex', 'texOmega',
+      'texPdftex', 'texTex', 'texXeTeX'
+    ]))
   endif
-endfunction
-
-function! context#command()
-  return get(b:, 'context_mtxrun', get(g:, 'context_mtxrun', 'mtxrun'))
-        \ . ' --script context --autogenerate --nonstopmode'
-        \ . ' --synctex=' . (get(b:, 'context_synctex', get(g:, 'context_synctex', 0)) ? '1' : '0')
-        \ . ' ' . get(b:, 'context_extra_options', get(g:, 'context_extra_options', ''))
-endfunction
-
-" Accepts an optional path (useful for big projects, when the file you are
-" editing is not the project's root document). If no argument is given, uses
-" the path of the current buffer.
-function! context#typeset(...) abort
-  let l:path = fnamemodify(strlen(a:000[0]) > 0 ? a:1 : expand("%"), ":p")
-  let l:cwd = fnamemodify(getcwd(), ":p") " Save local working directory
-  call s:context_echo('Typesetting...',  'ModeMsg')
-  execute 'lcd' fnameescape(fnamemodify(l:path, ":h"))
-  try
-    call s:typeset(l:path)
-  finally " Restore local working directory
-    execute 'lcd ' . fnameescape(l:cwd)
-  endtry
-endfunction!
-"}}}
-
-let &cpo = s:keepcpo
-unlet s:keepcpo
-
-" vim: sw=2 fdm=marker
+  return BinarySearch(base, CTX_KEYWORDS)
+enddef
+# }}}
+
+# vim: sw=2 fdm=marker