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-rw-r--r--runtime/ftplugin/racket.vim82
1 files changed, 82 insertions, 0 deletions
diff --git a/runtime/ftplugin/racket.vim b/runtime/ftplugin/racket.vim
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+" Vim filetype plugin
+" Language: Racket
+" Maintainer: D. Ben Knoble <ben.knoble+github@gmail.com>
+" Previous Maintainer: Will Langstroth <will@langstroth.com>
+" URL: https://github.com/benknoble/vim-racket
+" Last Change: 2022 Aug 29
+
+if exists("b:did_ftplugin")
+ finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" quick hack to allow adding values
+setlocal iskeyword=@,!,#-',*-:,<-Z,a-z,~,_,94
+
+" Enable auto begin new comment line when continuing from an old comment line
+setlocal comments=:;;;;,:;;;,:;;,:;
+setlocal formatoptions+=r
+
+"setlocal commentstring=;;%s
+setlocal commentstring=#\|\ %s\ \|#
+
+setlocal formatprg=raco\ fmt
+
+" Undo our settings when the filetype changes away from Racket
+" (this should be amended if settings/mappings are added above!)
+let b:undo_ftplugin =
+ \ "setlocal iskeyword< lispwords< lisp< comments< formatoptions< formatprg<"
+ \. " | setlocal commentstring<"
+
+if !exists("no_plugin_maps") && !exists("no_racket_maps")
+ " Simply setting keywordprg like this works:
+ " setlocal keywordprg=raco\ docs
+ " but then vim says:
+ " "press ENTER or type a command to continue"
+ " We avoid the annoyance of having to hit enter by remapping K directly.
+ function s:RacketDoc(word) abort
+ execute 'silent !raco docs --' shellescape(a:word)
+ redraw!
+ endfunction
+ nnoremap <buffer> <Plug>RacketDoc :call <SID>RacketDoc(expand('<cword>'))<CR>
+ nmap <buffer> K <Plug>RacketDoc
+
+ " For the visual mode K mapping, it's slightly more convoluted to get the
+ " selected text:
+ function! s:Racket_visual_doc()
+ try
+ let l:old_a = @a
+ normal! gv"ay
+ call system("raco docs '". @a . "'")
+ redraw!
+ return @a
+ finally
+ let @a = l:old_a
+ endtry
+ endfunction
+
+ xnoremap <buffer> <Plug>RacketDoc :call <SID>Racket_visual_doc()<cr>
+ xmap <buffer> K <Plug>RacketDoc
+
+ let b:undo_ftplugin .=
+ \ " | silent! execute 'nunmap <buffer> K'"
+ \. " | silent! execute 'xunmap <buffer> K'"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+ let b:browsefilter =
+ \ "Racket Source Files (*.rkt *.rktl)\t*.rkt;*.rktl\n"
+ \. "All Files (*.*)\t*.*\n"
+ let b:undo_ftplugin .= " | unlet! b:browsefilter"
+endif
+
+if exists("loaded_matchit") && !exists("b:match_words")
+ let b:match_words = '#|:|#'
+ let b:undo_ftplugin .= " | unlet! b:match_words"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save