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be10d65bfa
runtime(forth): Fix :unlet error in ftplugin (vim/vim#13090)
Fixes vim/vim#13089.
c1f8bb37c6
Co-authored-by: dkearns <dougkearns@gmail.com>
73 lines
1.8 KiB
VimL
73 lines
1.8 KiB
VimL
" Vim filetype plugin
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" Language: Forth
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" Maintainer: Johan Kotlinski <kotlinski@gmail.com>
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" Last Change: 2023 Sep 15
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" URL: https://github.com/jkotlinski/forth.vim
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if exists("b:did_ftplugin")
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finish
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endif
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let b:did_ftplugin = 1
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let s:cpo_save = &cpo
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set cpo&vim
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setlocal commentstring=\\\ %s
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setlocal comments=s:(,mb:\ ,e:),b:\\
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setlocal iskeyword=33-126,128-255
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let s:include_patterns =<< trim EOL
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\<\%(INCLUDE\|REQUIRE\)\>\s\+\zs\k\+\ze
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\<S"\s\+\zs[^"]*\ze"\s\+\%(INCLUDED\|REQUIRED\)\>
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EOL
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let &l:include = $'\c{ s:include_patterns[1:]->join('\|') }'
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let s:define_patterns =<< trim EOL
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:
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[2F]\=CONSTANT
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[2F]\=VALUE
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[2F]\=VARIABLE
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BEGIN-STRUCTURE
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BUFFER:
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CODE
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CREATE
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MARKER
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SYNONYM
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EOL
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let &l:define = $'\c\<\%({ s:define_patterns->join('\|') }\)'
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" assume consistent intra-project file extensions
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let &l:suffixesadd = "." .. expand("%:e")
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let b:undo_ftplugin = "setl cms< com< def< inc< isk< sua<"
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if exists("loaded_matchit") && !exists("b:match_words")
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let s:matchit_patterns =<< trim EOL
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\<\:\%(NONAME\)\=\>:\<EXIT\>:\<;\>
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\<IF\>:\<ELSE\>:\<THEN\>
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\<\[IF]\>:\<\[ELSE]\>:\<\[THEN]\>
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\<?\=DO\>:\<LEAVE\>:\<+\=LOOP\>
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\<CASE\>:\<ENDCASE\>
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\<OF\>:\<ENDOF\>
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\<BEGIN\>:\<WHILE\>:\<\%(AGAIN\|REPEAT\|UNTIL\)\>
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\<CODE\>:\<END-CODE\>
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\<BEGIN-STRUCTURE\>:\<END-STRUCTURE\>
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EOL
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let b:match_ignorecase = 1
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let b:match_words = s:matchit_patterns[1:]->join(',')
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let b:undo_ftplugin ..= "| unlet! b:match_ignorecase b:match_words"
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unlet s:matchit_patterns
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endif
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if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
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let b:browsefilter = "Forth Source Files (*.f *.fs *.ft *.fth *.4th)\t*.f;*.fs;*.ft;*.fth;*.4th\n" ..
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\ "All Files (*.*)\t*.*\n"
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let b:undo_ftplugin ..= " | unlet! b:browsefilter"
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endif
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let &cpo = s:cpo_save
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unlet s:cpo_save
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unlet s:define_patterns s:include_patterns
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