Mercurial > vim
view runtime/syntax/racc.vim @ 34379:37b4c89ba420 v9.1.0116
patch 9.1.0116: win_split_ins may not check available room
Commit: https://github.com/vim/vim/commit/0fd44a5ad81ade342cb54d8984965bdedd2272c8
Author: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Date: Tue Feb 20 20:28:15 2024 +0100
patch 9.1.0116: win_split_ins may not check available room
Problem: win_split_ins has no check for E36 when moving an existing
window
Solution: check for room and fix the issues in f_win_splitmove()
(Sean Dewar)
win_split_ins has no check for E36 when moving an existing window,
allowing for layouts with many overlapping zero-sized windows to be
created (which may also cause drawing issues with tablines and such).
f_win_splitmove also has some bugs.
So check for room and fix the issues in f_win_splitmove. Handle failure
in the two relevant win_split_ins callers by restoring the original
layout, and factor the common logic into win_splitmove.
Don't check for room when opening an autocommand window, as it's a
temporary window that's rarely interacted with or drawn anyhow, and is
rather important for some autocommands.
Issues fixed in f_win_splitmove:
- Error if splitting is disallowed.
- Fix heap-use-after-frees if autocommands fired from switching to "targetwin"
close "wp" or "oldwin".
- Fix splitting the wrong window if autocommands fired from switching to
"targetwin" switch to a different window.
- Ensure -1 is returned for all errors.
Also handle allocation failure a bit earlier in make_snapshot (callers,
except win_splitmove, don't really care if a snapshot can't be made, so
just ignore the return value).
Note: Test_smoothscroll_in_zero_width_window failed after these changes with
E36, as it was using the previous behaviour to create a zero-width window.
I've fixed the test such that it fails with UBSAN as expected when v9.0.1367 is
reverted (and simplified it too).
related: #14042
Signed-off-by: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 20 Feb 2024 22:30:04 +0100 |
parents | 1218c5353e2b |
children |
line wrap: on
line source
" Vim default file " Language: Racc input file " Previous Maintainer: Nikolai Weibull <now@bitwi.se> " Latest Revision: 2008-06-22 if exists("b:current_syntax") finish endif let s:cpo_save = &cpo set cpo&vim syn keyword raccTodo contained TODO FIXME XXX NOTE syn region raccComment start='/\*' end='\*/' \ contains=raccTodo,@Spell syn region raccComment display oneline start='#' end='$' \ contains=raccTodo,@Spell syn region raccClass transparent matchgroup=raccKeyword \ start='\<class\>' end='\<rule\>'he=e-4 \ contains=raccComment,raccPrecedence, \ raccTokenDecl,raccExpect,raccOptions,raccConvert, \ raccStart, syn region raccPrecedence transparent matchgroup=raccKeyword \ start='\<prechigh\>' end='\<preclow\>' \ contains=raccComment,raccPrecSpec syn keyword raccPrecSpec contained nonassoc left right \ nextgroup=raccPrecToken,raccPrecString skipwhite \ skipnl syn match raccPrecToken contained '\<\u[A-Z0-9_]*\>' \ nextgroup=raccPrecToken,raccPrecString skipwhite \ skipnl syn region raccPrecString matchgroup=raccPrecString start=+"+ \ skip=+\\\\\|\\"+ end=+"+ \ contains=raccSpecial \ nextgroup=raccPrecToken,raccPrecString skipwhite \ skipnl syn region raccPrecString matchgroup=raccPrecString start=+'+ \ skip=+\\\\\|\\'+ end=+'+ contains=raccSpecial \ nextgroup=raccPrecToken,raccPrecString skipwhite \ skipnl syn keyword raccTokenDecl contained token \ nextgroup=raccTokenR skipwhite skipnl syn match raccTokenR contained '\<\u[A-Z0-9_]*\>' \ nextgroup=raccTokenR skipwhite skipnl syn keyword raccExpect contained expect \ nextgroup=raccNumber skipwhite skipnl syn match raccNumber contained '\<\d\+\>' syn keyword raccOptions contained options \ nextgroup=raccOptionsR skipwhite skipnl syn keyword raccOptionsR contained omit_action_call result_var \ nextgroup=raccOptionsR skipwhite skipnl syn region raccConvert transparent contained matchgroup=raccKeyword \ start='\<convert\>' end='\<end\>' \ contains=raccComment,raccConvToken skipwhite \ skipnl syn match raccConvToken contained '\<\u[A-Z0-9_]*\>' \ nextgroup=raccString skipwhite skipnl syn keyword raccStart contained start \ nextgroup=raccTargetS skipwhite skipnl syn match raccTargetS contained '\<\l[a-z0-9_]*\>' syn match raccSpecial contained '\\["'\\]' syn region raccString start=+"+ skip=+\\\\\|\\"+ end=+"+ \ contains=raccSpecial syn region raccString start=+'+ skip=+\\\\\|\\'+ end=+'+ \ contains=raccSpecial syn region raccRules transparent matchgroup=raccKeyword start='\<rule\>' \ end='\<end\>' contains=raccComment,raccString, \ raccNumber,raccToken,raccTarget,raccDelimiter, \ raccAction syn match raccTarget contained '\<\l[a-z0-9_]*\>' syn match raccDelimiter contained '[:|]' syn match raccToken contained '\<\u[A-Z0-9_]*\>' syn include @raccRuby syntax/ruby.vim syn region raccAction transparent matchgroup=raccDelimiter \ start='{' end='}' contains=@raccRuby syn region raccHeader transparent matchgroup=raccPreProc \ start='^---- header.*' end='^----'he=e-4 \ contains=@raccRuby syn region raccInner transparent matchgroup=raccPreProc \ start='^---- inner.*' end='^----'he=e-4 \ contains=@raccRuby syn region raccFooter transparent matchgroup=raccPreProc \ start='^---- footer.*' end='^----'he=e-4 \ contains=@raccRuby syn sync match raccSyncHeader grouphere raccHeader '^---- header' syn sync match raccSyncInner grouphere raccInner '^---- inner' syn sync match raccSyncFooter grouphere raccFooter '^---- footer' hi def link raccTodo Todo hi def link raccComment Comment hi def link raccPrecSpec Type hi def link raccPrecToken raccToken hi def link raccPrecString raccString hi def link raccTokenDecl Keyword hi def link raccToken Identifier hi def link raccTokenR raccToken hi def link raccExpect Keyword hi def link raccNumber Number hi def link raccOptions Keyword hi def link raccOptionsR Identifier hi def link raccConvToken raccToken hi def link raccStart Keyword hi def link raccTargetS Type hi def link raccSpecial special hi def link raccString String hi def link raccTarget Type hi def link raccDelimiter Delimiter hi def link raccPreProc PreProc hi def link raccKeyword Keyword let b:current_syntax = "racc" let &cpo = s:cpo_save unlet s:cpo_save