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runtime(sh): add syntax highlighting support for ${ cmd;} and ${|cmd;}

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bash 5.3 (released July 2025) added support for ${ cmd;} and
${|cmd;} style command substitution, which is similar (but not
identical) to ksh/mksh.

closes: #18084

Signed-off-by: Kevin Pulo <kevin.pulo@mongodb.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Kevin Pulo
2025-08-23 17:07:44 +02:00
committed by Christian Brabandt
parent e34bdb844f
commit e06d81fe67
5 changed files with 100 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
runtime/syntax/sh.vim
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@@ -16,7 +16,8 @@
" 2025 May 10 improve wildcard character class lists
" 2025 May 21 improve supported KornShell features
" 2025 Jun 16 change how sh_fold_enabled is reset (#17557)
" 2025 Jul 18 properly delete :commands #17785
" 2025 Jul 18 properly delete :commands (#17785)
" 2025 Aug 23 bash: add support for ${ cmd;} and ${|cmd;} (#18084)
" }}}
" Version: 208
" Former URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
@@ -474,6 +475,9 @@ if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")
if exists("b:is_mksh") || exists("b:generic_korn")
syn region shValsub matchgroup=shCmdSubRegion start="\${|" skip='\\\\\|\\.' end="}" contains=@shCommandSubList
endif
elseif exists("b:is_bash")
syn region shSubshare matchgroup=shCmdSubRegion start="\${\ze[ \t\n]" skip='\\\\\|\\.' end="\zs[;\n][ \t\n]*}" contains=@shCommandSubList
syn region shValsub matchgroup=shCmdSubRegion start="\${|" skip='\\\\\|\\.' end="[;\n][ \t\n]*}" contains=@shCommandSubList
endif
syn region shArithmetic matchgroup=shArithRegion start="\$((" skip='\\\\\|\\.' end="))" contains=@shArithList
syn region shArithmetic matchgroup=shArithRegion start="\$\[" skip='\\\\\|\\.' end="\]" contains=@shArithList
@@ -677,6 +681,8 @@ if exists("b:is_kornshell") && !exists("b:is_ksh88")
else
syn region shDeref matchgroup=PreProc start="\${\ze[^ \t\n<]" end="}" contains=@shDerefList,shDerefVarArray nextgroup=shSpecialStart
endif
elseif exists("b:is_bash")
syn region shDeref matchgroup=PreProc start="\${\ze[^ \t\n|]" end="}" contains=@shDerefList,shDerefVarArray nextgroup=shSpecialStart
else
syn region shDeref matchgroup=PreProc start="\${" end="}" contains=@shDerefList,shDerefVarArray nextgroup=shSpecialStart
endif

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runtime/syntax/testdir/dumps/sh_bash_00.dump Normal file
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@@ -0,0 +1,20 @@
>#+0#0000e05#ffffff0|!|/|b|i|n|/|b|a|s|h| +0#0000000&@63
@75
|#+0#0000e05&| |b|a|s|h| |5|.|3|+| |s|u|p@1|o|r|t|s| |c|o|m@1|a|n|d| |s|u|b|s|t|i|t|u|t|i|o|n| |t|h|a|t| |i|s| |v|e|r|y| |s|i|m|i|l|a|r| +0#0000000&@12
|#+0#0000e05&| |(|b|u|t| |n|o|t| |i|d|e|n|t|i|c|a|l|)| |t|o| |k|s|h|/|m|k|s|h|.| +0#0000000&@40
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|o|n|e|;+0#e000e06&|}| +0#0000000&@56
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|t|w|o| +0#0000000&@58
|}+0#e000e06&| +0#0000000&@73
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| +0#0000000&@67
|e+0#af5f00255&|c|h|o| +0#e000002&|t|h|r|e@1| @5|;+0#e000e06&|}| +0#0000000&@56
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|f+0#e000002&|o|u|r|'+0#af5f00255&|;+0#e000e06&| |}| +0#0000000&@52
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|f+0#e000002&|i|v|e|'+0#af5f00255&| +0#e000002&|;+0#e000e06&|}| +0#0000000&@52
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|s+0#e000002&|i|x|'+0#af5f00255&| +0#0000000&@56
|}+0#e000e06&| +0#0000000&@73
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|s+0#e000002&|e|v|e|n|'+0#af5f00255&| +0#e000002&@3|;+0#e000e06&|}| +0#0000000&@48
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|e+0#e000002&|i|g|h|t|'+0#af5f00255&|;+0#e000e06&| @2|}| +0#0000000&@49
|t+0#af5f00255&|y|p|e|s|e|t| +0#e000e06&|n+0#00e0e07&|i|n|e|=+0#0000000&|$+0#e000e06&|{| |p+0#af5f00255&|w|d|;| +0#e000e06&|}| +0#0000000&@52
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|n+0#e000002&|i|n|e|'+0#af5f00255&| +0#e000002&|;+0#e000e06&| | +0#0000000&@52
| +0#e000e06&|}| +0#0000000&@72
@75
|i|s|_|b|a|s|h|:| |1|,| @45|1|,|1| @10|T|o|p|

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runtime/syntax/testdir/dumps/sh_bash_01.dump Normal file
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@@ -0,0 +1,20 @@
|e+0#af5f00255#ffffff0|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|s+0#e000002&|e|v|e|n|'+0#af5f00255&| +0#e000002&@3|;+0#e000e06&|}| +0#0000000&@48
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|e+0#e000002&|i|g|h|t|'+0#af5f00255&|;+0#e000e06&| @2|}| +0#0000000&@49
|t+0#af5f00255&|y|p|e|s|e|t| +0#e000e06&|n+0#00e0e07&|i|n|e|=+0#0000000&|$+0#e000e06&|{| |p+0#af5f00255&|w|d|;| +0#e000e06&|}| +0#0000000&@52
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|n+0#e000002&|i|n|e|'+0#af5f00255&| +0#e000002&|;+0#e000e06&| | +0#0000000&@52
| +0#e000e06&|}| +0#0000000&@72
> @74
|v+0#e000e06&|a|l|s|u|b|f|u|n|c|(|)| |{| +0#0000000&@60
| +0#e000e06&@7|R|E|P|L|Y|=+0#af5f00255&|$+0#e000e06&|1| +0#0000000&@58
|}+0#e000e06&| +0#0000000&@73
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|e|n|;|}| +0#0000000&@50
|e+0#af5f00255&|c|h|o| +0#e000002&|"+0#af5f00255&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |e|l|e|v|e|n|;| |}|"+0#af5f00255&| +0#0000000&@44
|p+0#af5f00255&|r|i|n|t|f| +0#e000e06&|'+0#af5f00255&|%+0#e000002&|s|\|n|'+0#af5f00255&| +0#e000e06&|"+0#af5f00255&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|w|e|l|v|e| @4|;|}|"+0#af5f00255&| +0#0000000&@31
|u+0#00e0e07&|n|l|u|c|k|y|=+0#0000000&|$+0#e000e06&|{||+0#af5f00255&|v+0#e000e06&|a|l|s|u|b|f|u|n|c| |t|h|i|r|t|e@1|n| +0#0000000&@44
|}+0#e000e06&| +0#0000000&@73
|t+0#af5f00255&|y|p|e|s|e|t| +0#e000e06&|n+0#00e0e07&|o|t|a|f|l|o|a|t|=+0#0000000&|$+0#e000e06&|{||+0#af5f00255&|v+0#e000e06&|a|l|s|u|b|f|u|n|c| |n|o|t|a|n|u|m|b|e|r| @5|;+0#af5f00255&| +0#e000e06&| +0#0000000&@24
| +0#e000e06&|}| +0#0000000&@72
|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|u|n|l|u|c|k|y| +0#e000002&|$+0#e000e06&|n|o|t|a|n|u|m|b|e|r| +0#0000000&@49
|$+0#e000e06&|{||+0#af5f00255&|e|c|h|o| +0#e000002&|f|o|u|r|t|e@1|n|;+0#af5f00255&|}+0#e000e06&| +0#0000000&@56
|$+0#e000e06&|{||+0#af5f00255&|e|c|h|o| +0#e000002&|f|i|f|t|e@1|n| +0#0000000&@59
@57|1|9|,|0|-|1| @7|9|2|%|

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runtime/syntax/testdir/dumps/sh_bash_02.dump Normal file
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@@ -0,0 +1,20 @@
|$+0#e000e06#ffffff0|{||+0#af5f00255&|e|c|h|o| +0#e000002&|f|i|f|t|e@1|n| +0#0000000&@59
>}+0#e000e06&| +0#0000000&@73
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
| +0#0000000&@56|3@1|,|1| @9|B|o|t|

33
runtime/syntax/testdir/input/sh_bash.bash Normal file
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@@ -0,0 +1,33 @@
#!/bin/bash
# bash 5.3+ supports command substitution that is very similar
# (but not identical) to ksh/mksh.
echo ${ echo one;}
echo ${ echo two
}
echo ${
echo three ;}
echo ${ echo 'four'; }
echo ${ echo 'five' ;}
echo ${ echo 'six'
}
echo ${ echo 'seven' ;}
echo ${ echo 'eight'; }
typeset nine=${ pwd; }
echo ${ echo 'nine' ;
}
valsubfunc() {
REPLY=$1
}
echo ${|valsubfunc ten;}
echo "${|valsubfunc eleven; }"
printf '%s\n' "${|valsubfunc twelve ;}"
unlucky=${|valsubfunc thirteen
}
typeset notafloat=${|valsubfunc notanumber ;
}
echo $unlucky $notanumber
${|echo fourteen;}
${|echo fifteen
}