1 files changed, 51 insertions, 0 deletions
diff --git a/runtime/ftplugin/csh.vim b/runtime/ftplugin/csh.vim
new file mode 100644
index 0000000..ca5da5a
--- /dev/null
+++ b/runtime/ftplugin/csh.vim
@@ -0,0 +1,51 @@
+" Vim filetype plugin file
+" Language:		csh
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Dan Sharp
+" Contributor:		Johannes Zellner <johannes@zellner.org>
+" Last Change:		2021 Oct 15
+
+if exists("b:did_ftplugin") | finish | endif
+let b:did_ftplugin = 1
+
+let s:save_cpo = &cpo
+set cpo-=C
+
+setlocal comments=:#
+setlocal commentstring=#%s
+setlocal formatoptions-=t
+setlocal formatoptions+=crql
+
+let b:undo_ftplugin = "setlocal com< cms< fo<"
+
+" Csh:  thanks to Johannes Zellner
+" - Both foreach and end must appear alone on separate lines.
+" - The words else and endif must appear at the beginning of input lines;
+"   the if must appear alone on its input line or after an else.
+" - Each case label and the default label must appear at the start of a
+"   line.
+" - while and end must appear alone on their input lines.
+if exists("loaded_matchit") && !exists("b:match_words")
+  let s:line_start = '\%(^\s*\)\@<='
+  let b:match_words =
+	\ s:line_start .. 'if\s*(.*)\s*then\>:' ..
+	\   s:line_start .. 'else\s\+if\s*(.*)\s*then\>:' .. s:line_start .. 'else\>:' ..
+	\   s:line_start .. 'endif\>,' ..
+	\ s:line_start .. '\%(\<foreach\s\+\h\w*\|while\)\s*(:' ..
+	\   '\<break\>:\<continue\>:' ..
+	\   s:line_start .. 'end\>,' ..
+	\ s:line_start .. 'switch\s*(:' ..
+	\   s:line_start .. 'case\s\+:' .. s:line_start .. 'default\>:\<breaksw\>:' ..
+	\   s:line_start .. 'endsw\>'
+  unlet s:line_start
+  let b:undo_ftplugin ..= " | unlet b:match_words"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let  b:browsefilter="csh Scripts (*.csh)\t*.csh\n" ..
+	\	      "All Files (*.*)\t*.*\n"
+  let b:undo_ftplugin ..= " | unlet b:browsefilter"
+endif
+
+let &cpo = s:save_cpo
+unlet s:save_cpo