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vim9script
# Vim filetype plugin file
# Language: METAFONT
# Maintainer: Nicola Vitacolonna <nvitacolonna@gmail.com>
# Former Maintainers: Nikolai Weibull <now@bitwi.se>
# Latest Revision: 2022 Aug 12
if exists("b:did_ftplugin")
finish
endif
b:did_ftplugin = 1
b:undo_ftplugin = "setl com< cms< fo< sua< inc< def< ofu<"
setlocal comments=:%
setlocal commentstring=%\ %s
setlocal formatoptions+=cjroql2
setlocal formatoptions-=t
setlocal omnifunc=syntaxcomplete#Complete
setlocal suffixesadd=.mf
&l:include = '\<input\>'
&l:define = '\<\%(let\|newinternal\|interim\|def\|vardef\)\>\|\<\%(primary\|secondary\|tertiary\)def\>\s*[^ .]\+'
g:omni_syntax_group_include_mf = 'mf\w\+'
g:omni_syntax_group_exclude_mf = 'mfTodoComment'
if exists("g:loaded_matchit") && !exists("b:match_words")
b:match_ignorecase = 0
b:match_skip = 'synIDattr(synID(line("."), col("."), 1), "name") =~# "mf\\(Comment\\|String\\)$"'
b:match_words = '\<if\>:\<else\%[if]\>:\<fi\>,'
.. '\<for\%(\|suffixes\|ever\)\>:\<exit\%(if\|unless\)\>:\<endfor\>,'
.. '\<\%(\|var\|primary\|secondary\|tertiary\)def\>:\<enddef\>,'
.. '\<begingroup\>:\<endgroup\>,'
.. '\<begin\%(logo\)\?char\>:\<endchar\>'
b:undo_ftplugin ..= "| unlet! b:match_ignorecase b:match_words b:match_skip"
endif
if !get(g:, 'no_mf_maps', 0) && !get(g:, 'no_plugin_maps', 0)
const mf_regex = {
'beginsection': '^\s*\%(\%(\|var\|primary\|secondary\|tertiary\)def\|beginchar\|beginlogochar\)\>',
'endsection': '^\s*\%(enddef\|endchar\)\>',
'beginblock': '^\s*\%(begingroup\|if\|for\%(\|suffixes\|ever\)\)\>',
'endblock': '^\s*\%(endgroup\|fi\|endfor\)\>'}
def MoveAround(count: number, what: string, flags: string)
search(mf_regex[what], flags .. 's') # 's' sets previous context mark
var i = 2
while i <= count
search(mf_regex[what], flags)
i += 1
endwhile
enddef
# Macros to move around
nnoremap <silent><buffer> [[ <scriptcmd>MoveAround(v:count1, "beginsection", "bW")<cr>
vnoremap <silent><buffer> [[ <scriptcmd>MoveAround(v:count1, "beginsection", "bW")<cr>
nnoremap <silent><buffer> ]] <scriptcmd>MoveAround(v:count1, "beginsection", "W") <cr>
vnoremap <silent><buffer> ]] <scriptcmd>MoveAround(v:count1, "beginsection", "W") <cr>
nnoremap <silent><buffer> [] <scriptcmd>MoveAround(v:count1, "endsection", "bW")<cr>
vnoremap <silent><buffer> [] <scriptcmd>MoveAround(v:count1, "endsection", "bW")<cr>
nnoremap <silent><buffer> ][ <scriptcmd>MoveAround(v:count1, "endsection", "W") <cr>
vnoremap <silent><buffer> ][ <scriptcmd>MoveAround(v:count1, "endsection", "W") <cr>
nnoremap <silent><buffer> [{ <scriptcmd>MoveAround(v:count1, "beginblock", "bW")<cr>
vnoremap <silent><buffer> [{ <scriptcmd>MoveAround(v:count1, "beginblock", "bW")<cr>
nnoremap <silent><buffer> ]} <scriptcmd>MoveAround(v:count1, "endblock", "W") <cr>
vnoremap <silent><buffer> ]} <scriptcmd>MoveAround(v:count1, "endblock", "W") <cr>
for mapping in ["[[", "]]", "[]", "][", "[{", "]}"]
b:undo_ftplugin ..= printf(" | silent! execute 'nunmap <buffer> %s'", mapping)
b:undo_ftplugin ..= printf(" | silent! execute 'vunmap <buffer> %s'", mapping)
endfor
endif
if (has('gui_win32') || has('gui_gtk')) && !exists('b:browsefilter')
b:browsefilter = "METAFONT Source Files (*.mf)\t*.mf\n"
.. "All Files (*.*)\t*.*\n"
b:undo_ftplugin ..= ' | unlet! b:browsefilter'
endif
# vim: sw=2 fdm=marker
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