Update runtime files
diff --git a/runtime/autoload/zig/fmt.vim b/runtime/autoload/zig/fmt.vim
new file mode 100644
index 0000000..b78c199
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+++ b/runtime/autoload/zig/fmt.vim
@@ -0,0 +1,100 @@
+" Adapted from fatih/vim-go: autoload/go/fmt.vim
+"
+" Copyright 2011 The Go Authors. All rights reserved.
+" Use of this source code is governed by a BSD-style
+" license that can be found in the LICENSE file.
+"
+" Upstream: https://github.com/ziglang/zig.vim
+
+function! zig#fmt#Format() abort
+ " Save cursor position and many other things.
+ let view = winsaveview()
+
+ if !executable('zig')
+ echohl Error | echomsg "no zig binary found in PATH" | echohl None
+ return
+ endif
+
+ let cmdline = 'zig fmt --stdin --ast-check'
+ let current_buf = bufnr('')
+
+ " The formatted code is output on stdout, the errors go on stderr.
+ if exists('*systemlist')
+ silent let out = systemlist(cmdline, current_buf)
+ else
+ silent let out = split(system(cmdline, current_buf))
+ endif
+ if len(out) == 1
+ if out[0] == "error: unrecognized parameter: '--ast-check'"
+ let cmdline = 'zig fmt --stdin'
+ if exists('*systemlist')
+ silent let out = systemlist(cmdline, current_buf)
+ else
+ silent let out = split(system(cmdline, current_buf))
+ endif
+ endif
+ endif
+ let err = v:shell_error
+
+
+ if err == 0
+ " remove undo point caused via BufWritePre.
+ try | silent undojoin | catch | endtry
+
+ " Replace the file content with the formatted version.
+ if exists('*deletebufline')
+ call deletebufline(current_buf, len(out), line('$'))
+ else
+ silent execute ':' . len(out) . ',' . line('$') . ' delete _'
+ endif
+ call setline(1, out)
+
+ " No errors detected, close the loclist.
+ call setloclist(0, [], 'r')
+ lclose
+ elseif get(g:, 'zig_fmt_parse_errors', 1)
+ let errors = s:parse_errors(expand('%'), out)
+
+ call setloclist(0, [], 'r', {
+ \ 'title': 'Errors',
+ \ 'items': errors,
+ \ })
+
+ let max_win_height = get(g:, 'zig_fmt_max_window_height', 5)
+ " Prevent the loclist from becoming too long.
+ let win_height = min([max_win_height, len(errors)])
+ " Open the loclist, but only if there's at least one error to show.
+ execute 'silent! lwindow ' . win_height
+ endif
+
+ call winrestview(view)
+
+ if err != 0
+ echohl Error | echomsg "zig fmt returned error" | echohl None
+ return
+ endif
+
+ " Run the syntax highlighter on the updated content and recompute the folds if
+ " needed.
+ syntax sync fromstart
+endfunction
+
+" parse_errors parses the given errors and returns a list of parsed errors
+function! s:parse_errors(filename, lines) abort
+ " list of errors to be put into location list
+ let errors = []
+ for line in a:lines
+ let tokens = matchlist(line, '^\(.\{-}\):\(\d\+\):\(\d\+\)\s*\(.*\)')
+ if !empty(tokens)
+ call add(errors,{
+ \"filename": a:filename,
+ \"lnum": tokens[2],
+ \"col": tokens[3],
+ \"text": tokens[4],
+ \ })
+ endif
+ endfor
+
+ return errors
+endfunction
+" vim: sw=2 ts=2 et