Mercurial > vim
view runtime/indent/r.vim @ 33947:f4d88db48a63 v9.0.2168
patch 9.0.2168: Moving tabpages on :drop may cause an endless loop
Commit: https://github.com/vim/vim/commit/df12e39b8b9dd39056e22b452276622cb7b617fd
Author: Christian Brabandt <cb@256bit.org>
Date: Sat Dec 16 13:55:32 2023 +0100
patch 9.0.2168: Moving tabpages on :drop may cause an endless loop
Problem: Moving tabpages on :drop may cause an endless loop
Solution: Disallow moving tabpages on :drop when cleaning up the arglist
first
Moving tabpages during drop command may cause an endless loop
When executing a :tab drop command, Vim will close all windows not in
the argument list. This triggers various autocommands. If a user has
created an 'au Tabenter * :tabmove -' autocommand, this can cause Vim to
end up in an endless loop, when trying to iterate over all tabs (which
would trigger the tabmove autocommand, which will change the tpnext
pointer, etc).
So instead of blocking all autocommands before we actually try to edit
the given file, lets simply disallow to move tabpages around. Otherwise,
we may change the expected number of events triggered during a :drop
command, which users may rely on (there is actually a test, that expects
various TabLeave/TabEnter autocommands) and would therefore be a
backwards incompatible change.
Don't make this an error, as this could trigger several times during the
drop command, but silently ignore the :tabmove command in this case (and
it should in fact finally trigger successfully when loading the given
file in a new tab). So let's just be quiet here instead.
fixes: #13676
closes: #13686
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sat, 16 Dec 2023 14:00:05 +0100 |
parents | b2e8663e6dcc |
children | 34f6f3678cae |
line wrap: on
line source
" Vim indent file " Language: R " Author: Jakson Alves de Aquino <jalvesaq@gmail.com> " Homepage: https://github.com/jalvesaq/R-Vim-runtime " Last Change: Mon Feb 27, 2023 07:16PM " Only load this indent file when no other was loaded. if exists("b:did_indent") finish endif let b:did_indent = 1 setlocal indentkeys=0{,0},:,!^F,o,O,e setlocal indentexpr=GetRIndent() let b:undo_indent = "setl inde< indk<" " Only define the function once. if exists("*GetRIndent") finish endif let s:cpo_save = &cpo set cpo&vim " Options to make the indentation more similar to Emacs/ESS: let g:r_indent_align_args = get(g:, 'r_indent_align_args', 1) let g:r_indent_ess_comments = get(g:, 'r_indent_ess_comments', 0) let g:r_indent_comment_column = get(g:, 'r_indent_comment_column', 40) let g:r_indent_ess_compatible = get(g:, 'r_indent_ess_compatible', 0) let g:r_indent_op_pattern = get(g:, 'r_indent_op_pattern', \ '\(&\||\|+\|-\|\*\|/\|=\|\~\|%\|->\||>\)\s*$') function s:RDelete_quotes(line) let i = 0 let j = 0 let line1 = "" let llen = strlen(a:line) while i < llen if a:line[i] == '"' let i += 1 let line1 = line1 . 's' while !(a:line[i] == '"' && ((i > 1 && a:line[i-1] == '\' && a:line[i-2] == '\') || a:line[i-1] != '\')) && i < llen let i += 1 endwhile if a:line[i] == '"' let i += 1 endif else if a:line[i] == "'" let i += 1 let line1 = line1 . 's' while !(a:line[i] == "'" && ((i > 1 && a:line[i-1] == '\' && a:line[i-2] == '\') || a:line[i-1] != '\')) && i < llen let i += 1 endwhile if a:line[i] == "'" let i += 1 endif else if a:line[i] == "`" let i += 1 let line1 = line1 . 's' while a:line[i] != "`" && i < llen let i += 1 endwhile if a:line[i] == "`" let i += 1 endif endif endif endif if i == llen break endif let line1 = line1 . a:line[i] let j += 1 let i += 1 endwhile return line1 endfunction " Convert foo(bar()) int foo() function s:RDelete_parens(line) if s:Get_paren_balance(a:line, "(", ")") != 0 return a:line endif let i = 0 let j = 0 let line1 = "" let llen = strlen(a:line) while i < llen let line1 = line1 . a:line[i] if a:line[i] == '(' let nop = 1 while nop > 0 && i < llen let i += 1 if a:line[i] == ')' let nop -= 1 else if a:line[i] == '(' let nop += 1 endif endif endwhile let line1 = line1 . a:line[i] endif let i += 1 endwhile return line1 endfunction function s:Get_paren_balance(line, o, c) let line2 = substitute(a:line, a:o, "", "g") let openp = strlen(a:line) - strlen(line2) let line3 = substitute(line2, a:c, "", "g") let closep = strlen(line2) - strlen(line3) return openp - closep endfunction function s:Get_matching_brace(linenr, o, c, delbrace) let line = SanitizeRLine(getline(a:linenr)) if a:delbrace == 1 let line = substitute(line, '{$', "", "") endif let pb = s:Get_paren_balance(line, a:o, a:c) let i = a:linenr while pb != 0 && i > 1 let i -= 1 let pb += s:Get_paren_balance(SanitizeRLine(getline(i)), a:o, a:c) endwhile return i endfunction " This function is buggy because there 'if's without 'else' " It must be rewritten relying more on indentation function s:Get_matching_if(linenr, delif) let line = SanitizeRLine(getline(a:linenr)) if a:delif let line = substitute(line, "if", "", "g") endif let elsenr = 0 let i = a:linenr let ifhere = 0 while i > 0 let line2 = substitute(line, '\<else\>', "xxx", "g") let elsenr += strlen(line) - strlen(line2) if line =~ '.*\s*if\s*()' || line =~ '.*\s*if\s*()' let elsenr -= 1 if elsenr == 0 let ifhere = i break endif endif let i -= 1 let line = SanitizeRLine(getline(i)) endwhile if ifhere return ifhere else return a:linenr endif endfunction function s:Get_last_paren_idx(line, o, c, pb) let blc = a:pb let line = substitute(a:line, '\t', s:curtabstop, "g") let theidx = -1 let llen = strlen(line) let idx = 0 while idx < llen if line[idx] == a:o let blc -= 1 if blc == 0 let theidx = idx endif else if line[idx] == a:c let blc += 1 endif endif let idx += 1 endwhile return theidx + 1 endfunction " Get previous relevant line. Search back until getting a line that isn't " comment or blank function s:Get_prev_line(lineno) let lnum = a:lineno - 1 let data = getline( lnum ) while lnum > 0 && (data =~ '^\s*#' || data =~ '^\s*$') let lnum = lnum - 1 let data = getline( lnum ) endwhile return lnum endfunction " This function is also used by r-plugin/common_global.vim " Delete from '#' to the end of the line, unless the '#' is inside a string. function SanitizeRLine(line) let newline = s:RDelete_quotes(a:line) let newline = s:RDelete_parens(newline) let newline = substitute(newline, '#.*', "", "") let newline = substitute(newline, '\s*$', "", "") if &filetype == "rhelp" && newline =~ '^\\method{.*}{.*}(.*' let newline = substitute(newline, '^\\method{\(.*\)}{.*}', '\1', "") endif return newline endfunction function GetRIndent() let clnum = line(".") " current line let cline = getline(clnum) if cline =~ '^\s*#' if g:r_indent_ess_comments == 1 if cline =~ '^\s*###' return 0 endif if cline !~ '^\s*##' return g:r_indent_comment_column endif endif endif let cline = SanitizeRLine(cline) if cline =~ '^\s*}' let indline = s:Get_matching_brace(clnum, '{', '}', 1) if indline > 0 && indline != clnum let iline = SanitizeRLine(getline(indline)) if s:Get_paren_balance(iline, "(", ")") == 0 || iline =~ '(\s*{$' return indent(indline) else let indline = s:Get_matching_brace(indline, '(', ')', 1) return indent(indline) endif endif endif if cline =~ '^\s*)$' let indline = s:Get_matching_brace(clnum, '(', ')', 1) return indent(indline) endif " Find the first non blank line above the current line let lnum = s:Get_prev_line(clnum) " Hit the start of the file, use zero indent. if lnum == 0 return 0 endif let line = SanitizeRLine(getline(lnum)) if &filetype == "rhelp" if cline =~ '^\\dontshow{' || cline =~ '^\\dontrun{' || cline =~ '^\\donttest{' || cline =~ '^\\testonly{' return 0 endif if line =~ '^\\examples{' || line =~ '^\\usage{' || line =~ '^\\dontshow{' || line =~ '^\\dontrun{' || line =~ '^\\donttest{' || line =~ '^\\testonly{' return 0 endif endif if &filetype == "rnoweb" && line =~ "^<<.*>>=" return 0 endif if cline =~ '^\s*{' && s:Get_paren_balance(cline, '{', '}') > 0 if g:r_indent_ess_compatible && line =~ ')$' let nlnum = lnum let nline = line while s:Get_paren_balance(nline, '(', ')') < 0 let nlnum = s:Get_prev_line(nlnum) let nline = SanitizeRLine(getline(nlnum)) . nline endwhile if nline =~ '^\s*function\s*(' && indent(nlnum) == shiftwidth() return 0 endif endif if s:Get_paren_balance(line, "(", ")") == 0 return indent(lnum) endif endif " line is an incomplete command: if line =~ '\<\(if\|while\|for\|function\)\s*()$' || line =~ '\<else$' || line =~ '<-$' || line =~ '->$' return indent(lnum) + shiftwidth() endif " Deal with () and [] let pb = s:Get_paren_balance(line, '(', ')') if line =~ '^\s*{$' || line =~ '(\s*{' || (pb == 0 && (line =~ '{$' || line =~ '(\s*{$')) return indent(lnum) + shiftwidth() endif let s:curtabstop = repeat(' ', &tabstop) if g:r_indent_align_args == 1 if pb > 0 && line =~ '{$' return s:Get_last_paren_idx(line, '(', ')', pb) + shiftwidth() endif let bb = s:Get_paren_balance(line, '[', ']') if pb > 0 if &filetype == "rhelp" let ind = s:Get_last_paren_idx(line, '(', ')', pb) else let ind = s:Get_last_paren_idx(getline(lnum), '(', ')', pb) endif return ind endif if pb < 0 && line =~ '.*[,&|\-\*+<>]$' let lnum = s:Get_prev_line(lnum) while pb < 1 && lnum > 0 let line = SanitizeRLine(getline(lnum)) let line = substitute(line, '\t', s:curtabstop, "g") let ind = strlen(line) while ind > 0 if line[ind] == ')' let pb -= 1 else if line[ind] == '(' let pb += 1 endif endif if pb == 1 return ind + 1 endif let ind -= 1 endwhile let lnum -= 1 endwhile return 0 endif if bb > 0 let ind = s:Get_last_paren_idx(getline(lnum), '[', ']', bb) return ind endif endif let post_block = 0 if line =~ '}$' && s:Get_paren_balance(line, '{', '}') < 0 let lnum = s:Get_matching_brace(lnum, '{', '}', 0) let line = SanitizeRLine(getline(lnum)) if lnum > 0 && line =~ '^\s*{' let lnum = s:Get_prev_line(lnum) let line = SanitizeRLine(getline(lnum)) endif let pb = s:Get_paren_balance(line, '(', ')') let post_block = 1 endif " Indent after operator pattern let olnum = s:Get_prev_line(lnum) let oline = getline(olnum) if olnum > 0 if substitute(line, '#.*', '', '') =~ g:r_indent_op_pattern && s:Get_paren_balance(line, "(", ")") == 0 if substitute(oline, '#.*', '', '') =~ g:r_indent_op_pattern && s:Get_paren_balance(line, "(", ")") == 0 return indent(lnum) else return indent(lnum) + shiftwidth() endif else if substitute(oline, '#.*', '', '') =~ g:r_indent_op_pattern && s:Get_paren_balance(line, "(", ")") == 0 return indent(lnum) - shiftwidth() endif endif elseif substitute(line, '#.*', '', '') =~ g:r_indent_op_pattern && s:Get_paren_balance(line, "(", ")") == 0 return indent(lnum) + shiftwidth() endif let post_fun = 0 if pb < 0 && line !~ ')\s*[,&|\-\*+<>]$' let post_fun = 1 while pb < 0 && lnum > 0 let lnum -= 1 let linepiece = SanitizeRLine(getline(lnum)) let pb += s:Get_paren_balance(linepiece, "(", ")") let line = linepiece . line endwhile if line =~ '{$' && post_block == 0 return indent(lnum) + shiftwidth() endif " Now we can do some tests again if cline =~ '^\s*{' return indent(lnum) endif if post_block == 0 let newl = SanitizeRLine(line) if newl =~ '\<\(if\|while\|for\|function\)\s*()$' || newl =~ '\<else$' || newl =~ '<-$' return indent(lnum) + shiftwidth() endif endif endif if cline =~ '^\s*else' if line =~ '<-\s*if\s*()' return indent(lnum) + shiftwidth() else if line =~ '\<if\s*()' return indent(lnum) else return indent(lnum) - shiftwidth() endif endif endif let bb = s:Get_paren_balance(line, '[', ']') if bb < 0 && line =~ '.*]' while bb < 0 && lnum > 0 let lnum -= 1 let linepiece = SanitizeRLine(getline(lnum)) let bb += s:Get_paren_balance(linepiece, "[", "]") let line = linepiece . line endwhile let line = s:RDelete_parens(line) endif let plnum = s:Get_prev_line(lnum) let ppost_else = 0 if plnum > 0 let pline = SanitizeRLine(getline(plnum)) let ppost_block = 0 if pline =~ '}$' let ppost_block = 1 let plnum = s:Get_matching_brace(plnum, '{', '}', 0) let pline = SanitizeRLine(getline(plnum)) if pline =~ '^\s*{$' && plnum > 0 let plnum = s:Get_prev_line(plnum) let pline = SanitizeRLine(getline(plnum)) endif endif if pline =~ 'else$' let ppost_else = 1 let plnum = s:Get_matching_if(plnum, 0) let pline = SanitizeRLine(getline(plnum)) endif if pline =~ '^\s*else\s*if\s*(' let pplnum = s:Get_prev_line(plnum) let ppline = SanitizeRLine(getline(pplnum)) while ppline =~ '^\s*else\s*if\s*(' || ppline =~ '^\s*if\s*()\s*\S$' let plnum = pplnum let pline = ppline let pplnum = s:Get_prev_line(plnum) let ppline = SanitizeRLine(getline(pplnum)) endwhile while ppline =~ '\<\(if\|while\|for\|function\)\s*()$' || ppline =~ '\<else$' || ppline =~ '<-$' let plnum = pplnum let pline = ppline let pplnum = s:Get_prev_line(plnum) let ppline = SanitizeRLine(getline(pplnum)) endwhile endif let ppb = s:Get_paren_balance(pline, '(', ')') if ppb < 0 && (pline =~ ')\s*{$' || pline =~ ')$') while ppb < 0 && plnum > 0 let plnum -= 1 let linepiece = SanitizeRLine(getline(plnum)) let ppb += s:Get_paren_balance(linepiece, "(", ")") let pline = linepiece . pline endwhile let pline = s:RDelete_parens(pline) endif endif let ind = indent(lnum) if g:r_indent_align_args == 0 && pb != 0 let ind += pb * shiftwidth() return ind endif if g:r_indent_align_args == 0 && bb != 0 let ind += bb * shiftwidth() return ind endif if plnum > 0 let pind = indent(plnum) else let pind = 0 endif if ind == pind || (ind == (pind + shiftwidth()) && pline =~ '{$' && ppost_else == 0) return ind endif let pline = getline(plnum) let pbb = s:Get_paren_balance(pline, '[', ']') while pind < ind && plnum > 0 && ppb == 0 && pbb == 0 let ind = pind let plnum = s:Get_prev_line(plnum) let pline = getline(plnum) let ppb = s:Get_paren_balance(pline, '(', ')') let pbb = s:Get_paren_balance(pline, '[', ']') while pline =~ '^\s*else' let plnum = s:Get_matching_if(plnum, 1) let pline = getline(plnum) let ppb = s:Get_paren_balance(pline, '(', ')') let pbb = s:Get_paren_balance(pline, '[', ']') endwhile let pind = indent(plnum) if ind == (pind + shiftwidth()) && pline =~ '{$' return ind endif endwhile return ind endfunction let &cpo = s:cpo_save unlet s:cpo_save " vim: sw=2