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thinca
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runtime(vim): Highlight string interpolation
closes: #13923 Signed-off-by: thinca <thinca@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
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‎runtime/syntax/testdir/dumps/vim_expr_00.dump‎

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>"+0#0000e05#ffffff0| |S|t|r|i|n|g| +0#0000000&@66
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@75
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|I|t|'@1|s| |a| |s|t|r|i|n|g|'| +0#0000000&@53
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|t|a|b|:| |\|t|,| |n|e|w| |l|i|n|e|:| |\|n|,| |b|a|c|k|s|l|a|s|h|:| |\@1|'| +0#0000000&@31
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|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|t|a|b|:| |\+0#e000e06&|t|,+0#e000002&| |n|e|w| |l|i|n|e|:| |\+0#e000e06&|n|,+0#e000002&| |b|a|c|k|s|l|a|s|h|:| |\+0#e000e06&@1|"+0#e000002&| +0#0000000&@31
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@75
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|"+0#0000e05&| |S|t|r|i|n|g| |i|n|t|e|r|p|o|l|a|t|i|o|n| +0#0000000&@52
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@75
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|D|o|n|'@1|t| |h|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:| |{@1| |{|1| |+| |2|}| |}@1|'| +0#0000000&@22
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|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|D|o|n|'|t| |h|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:| |{@1| |{|1| |+| |2|}| |}@1|"| +0#0000000&@23
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|'|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\|t|{+0#e000e06&@1| +0#e000002&|{+0#0000000&| |s+0#00e0e07&|t|r|i|n|g|(+0#e000e06&|{|'+0#e000002&|f|o@1|'|:+0#0000000&| |'+0#e000002&|b|a|r|'|}+0#e000e06&|)| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&@8
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|'|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\|t|{+0#e000e06&@1| +0#e000002&|{+0#0000000&| |$+0#e000002&|'|n|e|s|t|e|d|:| |{+0#e000e06&@1| +0#e000002&|{+0#0000000&|1| |++0#af5f00255&| +0#0000000&|2|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&@6
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|"|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\+0#e000e06&|t|{@1| +0#e000002&|{+0#0000000&| |s+0#00e0e07&|t|r|i|n|g|(+0#e000e06&|{|"+0#e000002&|f|o@1|"|:+0#0000000&| |"+0#e000002&|b|a|r|"|}+0#e000e06&|)| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&@8
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|"|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\+0#e000e06&|t|{@1| +0#e000002&|{+0#0000000&| |$+0#e000002&|"|n|e|s|t|e|d|:| |{+0#e000e06&@1| +0#e000002&|{+0#0000000&|1| |++0#af5f00255&| +0#0000000&|2|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&@6
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|~+0#4040ff13&| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|"+0#0000000&|i|n|p|u|t|/|v|i|m|_|e|x|p|r|.|v|i|m|"| |1|4|L|,| |5|2@1|B| @26|1|,|1| @10|A|l@1|

‎runtime/syntax/testdir/dumps/vim_expr_99.dump‎

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|"+0#0000e05#ffffff0| |S|t|r|i|n|g| +0#0000000&@66
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@75
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|I|t|'@1|s| |a| |s|t|r|i|n|g|'| +0#0000000&@53
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|t|a|b|:| |\|t|,| |n|e|w| |l|i|n|e|:| |\|n|,| |b|a|c|k|s|l|a|s|h|:| |\@1|'| +0#0000000&@31
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|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|t|a|b|:| |\+0#e000e06&|t|,+0#e000002&| |n|e|w| |l|i|n|e|:| |\+0#e000e06&|n|,+0#e000002&| |b|a|c|k|s|l|a|s|h|:| |\+0#e000e06&@1|"+0#e000002&| +0#0000000&@31
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@75
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|"+0#0000e05&| |S|t|r|i|n|g| |i|n|t|e|r|p|o|l|a|t|i|o|n| +0#0000000&@52
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@75
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|e+0#af5f00255&|c|h|o| +0#0000000&|'+0#e000002&|D|o|n|'@1|t| |h|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:| |{@1| |{|1| |+| |2|}| |}@1|'| +0#0000000&@22
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|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|D|o|n|'|t| |h|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:| |{@1| |{|1| |+| |2|}| |}@1|"| +0#0000000&@23
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|'|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\|t|{+0#e000e06&@1| +0#e000002&|{+0#0000000&| |s+0#00e0e07&|t|r|i|n|g|(+0#e000e06&|{|'+0#e000002&|f|o@1|'|:+0#0000000&| |'+0#e000002&|b|a|r|'|}+0#e000e06&|)| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&@8
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|'|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\|t|{+0#e000e06&@1| +0#e000002&|{+0#0000000&| |$+0#e000002&|'|n|e|s|t|e|d|:| |{+0#e000e06&@1| +0#e000002&|{+0#0000000&|1| |++0#af5f00255&| +0#0000000&|2|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|'+0#e000002&| +0#0000000&@6
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|e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|"|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\+0#e000e06&|t|{@1| +0#e000002&|{+0#0000000&| |s+0#00e0e07&|t|r|i|n|g|(+0#e000e06&|{|"+0#e000002&|f|o@1|"|:+0#0000000&| |"+0#e000002&|b|a|r|"|}+0#e000e06&|)| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&@8
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>e+0#af5f00255&|c|h|o| +0#0000000&|$+0#e000002&|"|H|i|g|h|l|i|g|h|t| |i|n|t|e|r|p|o|l|a|t|i|o|n|:|\+0#e000e06&|t|{@1| +0#e000002&|{+0#0000000&| |$+0#e000002&|"|n|e|s|t|e|d|:| |{+0#e000e06&@1| +0#e000002&|{+0#0000000&|1| |++0#af5f00255&| +0#0000000&|2|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&|}| +0#e000002&|}+0#e000e06&@1|"+0#e000002&| +0#0000000&@6
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|~+0#4040ff13&| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|"+0#0000000&|i|n|p|u|t|/|v|i|m|_|e|x|p|r|.|v|i|m|"| |1|4|L|,| |5|2@1|B| @26|1|4|,|1| @9|A|l@1|

‎runtime/syntax/testdir/input/vim_expr.vim‎

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" String
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echo 'It''s a string'
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echo 'tab: \t, new line: \n, backslash: \\'
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echo "tab: \t, new line: \n, backslash: \\"
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" String interpolation
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echo 'Don''t highlight interpolation: {{ {1 + 2} }}'
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echo "Don't highlight interpolation: {{ {1 + 2} }}"
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echo $'Highlight interpolation:\t{{ { string({'foo': 'bar'}) } }}'
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echo $'Highlight interpolation:\t{{ { $'nested: {{ {1 + 2} }}' } }}'
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echo $"Highlight interpolation:\t{{ { string({"foo": "bar"}) } }}"
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echo $"Highlight interpolation:\t{{ { $"nested: {{ {1 + 2} }}" } }}"

‎runtime/syntax/vim.vim‎

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@@ -370,6 +370,12 @@ syn match vimString contained +"[^"]*\\$+ skipnl nextgroup=vimStringCont
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syn match vimStringCont contained +\(\\\\\|.\)\{-}[^\\]"+
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syn match vimEscape contained "\\."
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syn region vimString start=+$'+ end=+'+ skip=+''+ oneline contains=vimStringInterpolationBrace,vimStringInterpolationExpr
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syn region vimString start=+$"+ end=+"+ oneline contains=@vimStringGroup,vimStringInterpolationBrace,vimStringInterpolationExpr
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syn region vimStringInterpolationExpr matchgroup=vimOperParen start=+{+ end=+}+ oneline contains=vimFunc,vimFuncVar,vimOper,vimNotation,vimOperParen,vimString,vimVar
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syn match vimStringInterpolationBrace "{{"
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syn match vimStringInterpolationBrace "}}"
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" Substitutions: {{{2
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" =============
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syn cluster vimSubstList contains=vimPatSep,vimPatRegion,vimPatSepErr,vimSubstTwoBS,vimSubstRange,vimNotation
@@ -1049,6 +1055,7 @@ if !exists("skip_vim_syntax_inits")
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hi def link vimStringCont vimString
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hi def link vimString String
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hi def link vimStringEnd vimString
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hi def link vimStringInterpolationBrace vimEscape
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hi def link vimSubst1 vimSubst
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hi def link vimSubstDelim Delimiter
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hi def link vimSubstFlags Special

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