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runtime: Set b:undo_indent where missing (#12944)
Commit: https://github.com/vim/vim/commit/0382f05dbd659d8e39ee4e71c1e5062ac5c0a8fd
Author: dkearns <dougkearns@gmail.com>
Date: Tue Aug 29 05:32:59 2023 +1000
runtime: Set b:undo_indent where missing (https://github.com/vim/vim/issues/12944)
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Mon, 28 Aug 2023 21:45:07 +0200 |
parents | f00c56ee8118 |
children | d81556766132 |
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vim9script # Language: ConTeXt typesetting engine # Maintainer: Nicola Vitacolonna <nvitacolonna@gmail.com> # Former Maintainers: Nikolai Weibull <now@bitwi.se> # Latest Revision: 2022 Aug 12 if exists("b:did_indent") finish endif # Load MetaPost indentation script (this will also set b:did_indent) runtime! indent/mp.vim setlocal indentexpr=ConTeXtIndent() b:undo_indent = "setl indentexpr<" def PrevNotComment(l: number): number var prevlnum = prevnonblank(l) while prevlnum > 0 && getline(prevlnum) =~# '^\s*%' prevlnum = prevnonblank(prevlnum - 1) endwhile return prevlnum enddef def FindPair(pstart: string, pmid: string, pend: string): number cursor(v:lnum, 1) return indent(searchpair(pstart, pmid, pend, 'bWn', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string\\|comment"')) enddef def ConTeXtIndent(): number # Use MetaPost rules inside MetaPost graphic environments if len(synstack(v:lnum, 1)) > 0 && synIDattr(synstack(v:lnum, 1)[0], "name") ==# 'contextMPGraphic' return g:MetaPostIndent() endif const prevlnum = PrevNotComment(v:lnum - 1) const prevind = indent(prevlnum) const prevline = getline(prevlnum) const currline = getline(v:lnum) # If the current line starts with ], match indentation. if currline =~# '^\s*\]' return FindPair('\[', '', '\]') endif # If the current line starts with }, match indentation. if currline =~# '^\s*}' return FindPair('{', '', '}') endif # If the previous line ends with [ or { (possibly followed by a comment) then indent. if prevline =~# '[{[]\s*\%(%.*\)\=$' return prevind + shiftwidth() endif return -1 enddef # vim: sw=2 fdm=marker