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" Vim filetype plugin file
" Language: csh
" Maintainer: Doug Kearns <dougkearns@gmail.com>
" Previous Maintainer: Dan Sharp
" Contributor: Johannes Zellner <johannes@zellner.org>
" Riley Bruins <ribru17@gmail.com>
" Last Change: 2026 Jan 16
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<"
if exists("loaded_matchit") && !exists("b:match_words")
let b:match_ignorecase = 0
let b:match_words = "CshMatchWords()"
let b:match_skip = "CshMatchSkip()"
let b:undo_ftplugin ..= " | unlet! b:match_ignorecase b:match_skip b:match_words"
endif
" skip single line 'if' commands
function CshMatchSkip()
return getline(".") =~# '^\s*if\>' && !s:CshIsIfThenCommand()
endfunction
function CshMatchWords()
let line_start = '\%(^\s*\)\@<='
let match_words =
\ line_start .. '\%(foreach\s\+\h\w*\s*(\|while\>\):' ..
\ '\<break\>:\<continue\>:' ..
\ line_start .. 'end\>,' ..
\ line_start .. 'switch\s*(:' ..
\ line_start .. 'case\s\+:' .. line_start .. 'default\>:\<breaksw\>:' ..
\ line_start .. 'endsw\>'
if expand("<cword>") =~# '\<if\>' && !s:CshIsIfThenCommand()
return match_words
else
return match_words .. "," ..
\ line_start .. 'if\>:' ..
\ line_start .. 'else\s\+if\>:' .. line_start .. 'else\>:' ..
\ line_start .. 'endif\>'
endif
endfunction
function s:CshIsIfThenCommand()
let lnum = line(".")
let line = getline(lnum)
" join continued lines
while lnum < line("$") && line =~ '^\%([^\\]\|\\\\\)*\\$'
let lnum += 1
let line = substitute(line, '\\$', '', '') .. getline(lnum)
endwhile
" TODO: confirm with syntax checks when the highlighting is more accurate
return line =~# '^\s*if\>.*\<then\s*\%(#.*\)\=$'
endfunction
if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
let b:browsefilter = "csh Scripts (*.csh)\t*.csh\n"
if has("win32")
let b:browsefilter ..= "All Files (*.*)\t*\n"
else
let b:browsefilter ..= "All Files (*)\t*\n"
endif
let b:csh_set_browsefilter = 1
let b:undo_ftplugin ..= " | unlet! b:browsefilter b:csh_set_browsefilter"
endif
let &cpo = s:save_cpo
unlet s:save_cpo
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