Files
neovim/test/old/testdir/test_plugin_matchparen.vim
zeertzjq d414d0e8ea vim-patch:9.1.1187: matchparen plugin wrong highlights shell case statement (#32798)
Problem:  matchparen plugin wrong highlights shell case statement
          (Swudu Susuwu)
Solution: return early, if we are in a shSnglCase syntax element

The shell syntax element "case $var in foobar)" uses closing parenthesis
but there is no corresponding opening parenthesis for that syntax
element. However matchparen is not aware of such things and will happily
try to match just the next opening parenthesis.

So let's just add a way to opt out for such cases. In this case, use the
syntax state to check if the closing parenthesis belongs to the syntax
item "shSnglCase" and if it is, do not try to find a corresponding
opening parenthesis.

Since inspecting the syntax state might be expensive, put the whole
check behind a filetype test, so that matchparen will only perform this
particular check, when it knows the current buffer is a "sh" filetype.

fixes: vim/vim#16801
closes: vim/vim#16831

9102ac11ab

Co-authored-by: Christian Brabandt <cb@256bit.org>
2025-03-09 16:57:08 +08:00

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" Test for the matchparen plugin
if !has('gui_running') && has('unix')
" set term=ansi
endif
source view_util.vim
source check.vim
source screendump.vim
" Test for scrolling that modifies buffer during visual block
func Test_visual_block_scroll()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
set scrolloff=1
call setline(1, ['a', 'b', 'c', 'd', 'e', '', '{', '}', '{', 'f', 'g', '}'])
call cursor(5, 1)
END
let filename = 'Xvisualblockmodifiedscroll'
call writefile(lines, filename, 'D')
let buf = RunVimInTerminal('-S '.filename, #{rows: 7})
call term_sendkeys(buf, "V\<C-D>\<C-D>")
call VerifyScreenDump(buf, 'Test_display_visual_block_scroll', {})
call StopVimInTerminal(buf)
endfunc
" Test for clearing paren highlight when switching buffers
func Test_matchparen_clear_highlight()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
set hidden
call setline(1, ['()'])
normal 0
func OtherBuffer()
enew
exe "normal iaa\<Esc>0"
endfunc
END
call writefile(lines, 'XMatchparenClear', 'D')
let buf = RunVimInTerminal('-S XMatchparenClear', #{rows: 5})
call VerifyScreenDump(buf, 'Test_matchparen_clear_highlight_1', {})
call term_sendkeys(buf, ":call OtherBuffer()\<CR>:\<Esc>")
call VerifyScreenDump(buf, 'Test_matchparen_clear_highlight_2', {})
call term_sendkeys(buf, "\<C-^>:\<Esc>")
call VerifyScreenDump(buf, 'Test_matchparen_clear_highlight_1', {})
call term_sendkeys(buf, "\<C-^>:\<Esc>")
call VerifyScreenDump(buf, 'Test_matchparen_clear_highlight_2', {})
call StopVimInTerminal(buf)
endfunc
" Test for matchparen highlight when switching buffer in win_execute()
func Test_matchparen_win_execute()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
let s:win = win_getid()
call setline(1, '{}')
split
func SwitchBuf()
call win_execute(s:win, 'enew | buffer #')
endfunc
END
call writefile(lines, 'XMatchparenWinExecute', 'D')
let buf = RunVimInTerminal('-S XMatchparenWinExecute', #{rows: 5})
call VerifyScreenDump(buf, 'Test_matchparen_win_execute_1', {})
" Switching buffer away and back shouldn't change matchparen highlight.
call term_sendkeys(buf, ":call SwitchBuf()\<CR>:\<Esc>")
call VerifyScreenDump(buf, 'Test_matchparen_win_execute_1', {})
call StopVimInTerminal(buf)
endfunc
" Test for scrolling that modifies buffer during visual block
func Test_matchparen_pum_clear()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
set completeopt=menuone
call setline(1, ['aa', 'aaa', 'aaaa', '(a)'])
call cursor(4, 3)
END
let filename = 'Xmatchparen'
call writefile(lines, filename, 'D')
let buf = RunVimInTerminal('-S '.filename, #{rows: 10})
call term_sendkeys(buf, "i\<C-N>\<C-N>")
call VerifyScreenDump(buf, 'Test_matchparen_pum_clear_1', {})
call StopVimInTerminal(buf)
endfunc
" Test that matchparen works with multibyte chars in 'matchpairs'
func Test_matchparen_mbyte()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
call setline(1, ['aaaaaaaa', 'bbbbcc'])
set matchpairs+=:
END
call writefile(lines, 'XmatchparenMbyte', 'D')
let buf = RunVimInTerminal('-S XmatchparenMbyte', #{rows: 10})
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_1', {})
call term_sendkeys(buf, "$")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_2', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_3', {})
call term_sendkeys(buf, "2h")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_4', {})
call term_sendkeys(buf, "0")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_5', {})
call term_sendkeys(buf, "kA")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_6', {})
call term_sendkeys(buf, "\<Down>")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_7', {})
call term_sendkeys(buf, "\<C-W>")
call VerifyScreenDump(buf, 'Test_matchparen_mbyte_8', {})
call StopVimInTerminal(buf)
endfunc
" Test for ignoring certain parenthesis
func Test_matchparen_ignore_sh_case()
CheckScreendump
let lines =<< trim END
source $VIMRUNTIME/plugin/matchparen.vim
set ft=sh
call setline(1, [
\ '#!/bin/sh',
\ 'SUSUWU_PRINT() (',
\ ' case "${LEVEL}" in',
\ ' "$SUSUWU_SH_NOTICE")',
\ ' ${SUSUWU_S} && return 1',
\ ' ;;',
\ ' "$SUSUWU_SH_DEBUG")',
\ ' (! ${SUSUWU_VERBOSE}) && return 1',
\ ' ;;',
\ ' esac',
\ ' # snip',
\ ')'
\ ])
call cursor(4, 26)
END
let filename = 'Xmatchparen_sh'
call writefile(lines, filename, 'D')
let buf = RunVimInTerminal('-S '.filename, #{rows: 10})
call VerifyScreenDump(buf, 'Test_matchparen_sh_case_1', {})
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab