Update runtime files.

3 files changed, 60 insertions, 14 deletions

diff --git a/runtime/autoload/ccomplete.vim b/runtime/autoload/ccomplete.vim
index d5bfa076a9..156b3af025 100644
--- a/runtime/autoload/ccomplete.vim
+++ b/runtime/autoload/ccomplete.vim
@@ -1,7 +1,7 @@
 " Vim completion script
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2012 Jun 20
+" Last Change:	2018 Aug 20
 
 let s:cpo_save = &cpo
 set cpo&vim
@@ -72,8 +72,10 @@ function! ccomplete#Complete(findstart, base)
   " Split item in words, keep empty word after "." or "->".
   " "aa" -> ['aa'], "aa." -> ['aa', ''], "aa.bb" -> ['aa', 'bb'], etc.
   " We can't use split, because we need to skip nested [...].
+  " "aa[...]" -> ['aa', '[...]'], "aa.bb[...]" -> ['aa', 'bb', '[...]'], etc.
   let items = []
   let s = 0
+  let arrays = 0
   while 1
     let e = match(base, '\.\|->\|\[', s)
     if e < 0
@@ -107,6 +109,7 @@ function! ccomplete#Complete(findstart, base)
       endwhile
       let e += 1
       call add(items, strpart(base, s, e - s))
+      let arrays += 1
       let s = e
     endif
   endwhile
@@ -161,15 +164,26 @@ function! ccomplete#Complete(findstart, base)
 	endif
       endif
       let res = [{'match': match, 'tagline' : '', 'kind' : kind, 'info' : line}]
+    elseif len(items) == arrays + 1
+      " Completing one word and it's a local array variable: build tagline
+      " from declaration line
+      let match = items[0]
+      let kind = 'v'
+      let tagline = "\t/^" . line . '$/'
+      let res = [{'match': match, 'tagline' : tagline, 'kind' : kind, 'info' : line}]
     else
       " Completing "var.", "var.something", etc.
       let res = s:Nextitem(strpart(line, 0, col), items[1:], 0, 1)
     endif
   endif
 
-  if len(items) == 1
+  if len(items) == 1 || len(items) == arrays + 1
     " Only one part, no "." or "->": complete from tags file.
-    let tags = taglist('^' . base)
+    if len(items) == 1
+      let tags = taglist('^' . base)
+    else
+      let tags = taglist('^' . items[0] . '$')
+    endif
 
     " Remove members, these can't appear without something in front.
     call filter(tags, 'has_key(v:val, "kind") ? v:val["kind"] != "m" : 1')
@@ -516,11 +530,24 @@ function! s:StructMembers(typename, items, all)
     endif
   endif
 
+  " Skip over [...] items
+  let idx = 0
+  while 1
+    if idx >= len(a:items)
+      let target = ''		" No further items, matching all members
+      break
+    endif
+    if a:items[idx][0] != '['
+      let target = a:items[idx]
+      break
+    endif
+    let idx += 1
+  endwhile
   " Put matching members in matches[].
   let matches = []
   for l in qflist
     let memb = matchstr(l['text'], '[^\t]*')
-    if memb =~ '^' . a:items[0]
+    if memb =~ '^' . target
       " Skip matches local to another file.
       if match(l['text'], "\tfile:") < 0 || bufnr('%') == bufnr(matchstr(l['text'], '\t\zs[^\t]*'))
 	let item = {'match': memb, 'tagline': l['text']}
@@ -540,8 +567,8 @@ function! s:StructMembers(typename, items, all)
   endfor
 
   if len(matches) > 0
-    " Skip over [...] items
-    let idx = 1
+    " Skip over next [...] items
+    let idx += 1
     while 1
       if idx >= len(a:items)
 	return matches		" No further items, return the result.
diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index 81fdc9d956..160cdcff64 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -632,7 +632,7 @@ endfunc
 " Choose context, plaintex, or tex (LaTeX) based on these rules:
 " 1. Check the first line of the file for "%&<format>".
 " 2. Check the first 1000 non-comment lines for LaTeX or ConTeXt keywords.
-" 3. Default to "latex" or to g:tex_flavor, can be set in user's vimrc.
+" 3. Default to "plain" or to g:tex_flavor, can be set in user's vimrc.
 func dist#ft#FTtex()
   let firstline = getline(1)
   if firstline =~ '^%&\s*\a\+'
diff --git a/runtime/autoload/tar.vim b/runtime/autoload/tar.vim
index 34eab96709..d92fe1b180 100644
--- a/runtime/autoload/tar.vim
+++ b/runtime/autoload/tar.vim
@@ -152,13 +152,16 @@ fun! tar#Browse(tarfile)
    " assuming cygwin
    let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
   endif
+
+  let gzip_command = s:get_gzip_command(tarfile)
+
   let curlast= line("$")
   if tarfile =~# '\.\(gz\|tgz\)$'
 "   call Decho("1: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
-   exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+   exe "sil! r! " . gzip_command . " -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
   elseif tarfile =~# '\.lrp'
 "   call Decho("2: exe silent r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - ")
-   exe "sil! r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - "
+   exe "sil! r! cat -- ".shellescape(tarfile,1)."|" . gzip_command . " -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - "
   elseif tarfile =~# '\.\(bz2\|tbz\|tb2\)$'
 "   call Decho("3: exe silent r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
    exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
@@ -287,15 +290,18 @@ fun! tar#Read(fname,mode)
   else
    let tar_secure= " "
   endif
+
+  let gzip_command = s:get_gzip_command(tarfile)
+
   if tarfile =~# '\.bz2$'
 "   call Decho("7: exe silent r! bzip2 -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
    exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
   elseif tarfile =~# '\.\(gz\|tgz\)$'
 "   call Decho("5: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd.' -'.g:tar_readoptions.' - '.tar_secure.shellescape(fname,1))
-   exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+   exe "sil! r! " . gzip_command . " -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
   elseif tarfile =~# '\.lrp$'
 "   call Decho("6: exe silent r! cat ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
-   exe "sil! r! cat -- ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+   exe "sil! r! cat -- ".shellescape(tarfile,1)." | " . gzip_command . " -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
   elseif tarfile =~# '\.lzma$'
 "   call Decho("7: exe silent r! lzma -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
    exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
@@ -389,6 +395,8 @@ fun! tar#Write(fname)
   let tarfile = substitute(b:tarfile,'tarfile:\(.\{-}\)::.*$','\1','')
   let fname   = substitute(b:tarfile,'tarfile:.\{-}::\(.*\)$','\1','')
 
+  let gzip_command = s:get_gzip_command(tarfile)
+
   " handle compressed archives
   if tarfile =~# '\.bz2'
    call system("bzip2 -d -- ".shellescape(tarfile,0))
@@ -396,12 +404,12 @@ fun! tar#Write(fname)
    let compress= "bzip2 -- ".shellescape(tarfile,0)
 "   call Decho("compress<".compress.">")
   elseif tarfile =~# '\.gz'
-   call system("gzip -d -- ".shellescape(tarfile,0))
+   call system(gzip_command . " -d -- ".shellescape(tarfile,0))
    let tarfile = substitute(tarfile,'\.gz','','e')
    let compress= "gzip -- ".shellescape(tarfile,0)
 "   call Decho("compress<".compress.">")
   elseif tarfile =~# '\.tgz'
-   call system("gzip -d -- ".shellescape(tarfile,0))
+   call system(gzip_command . " -d -- ".shellescape(tarfile,0))
    let tarfile = substitute(tarfile,'\.tgz','.tar','e')
    let compress= "gzip -- ".shellescape(tarfile,0)
    let tgz     = 1
@@ -581,7 +589,9 @@ fun! tar#Vimuntar(...)
 
   " if necessary, decompress the tarball; then, extract it
   if tartail =~ '\.tgz'
-   if executable("gunzip")
+   if executable("bzip2")
+    silent exe "!bzip2 -d ".shellescape(tartail)
+   elseif executable("gunzip")
     silent exe "!gunzip ".shellescape(tartail)
    elseif executable("gzip")
     silent exe "!gzip -d ".shellescape(tartail)
@@ -619,6 +629,15 @@ fun! tar#Vimuntar(...)
 "  call Dret("tar#Vimuntar")
 endfun
 
+func s:get_gzip_command(file)
+  if a:file =~# 'z$' && executable('bzip2')
+    " Some .tgz files are actually compressed with bzip2.  Since bzip2 can
+    " handle the format from gzip, use it if the command exists.
+    return 'bzip2'
+  endif
+  return 'gzip'
+endfunc
+
 " =====================================================================
 " Modelines And Restoration: {{{1
 let &cpo= s:keepcpo