runtime(java): Manage byte limits for variable-width lookbehind assertions

Raise the byte limits from 80 to 120 for "javaFuncDef" and
"java*CommentTitle"; and support selecting other arbitrary
values with
------------------------------------------------------------
	let g:java_lookbehind_byte_counts = {
		\ 'javaMarkdownCommentTitle': 240,
	\ }
------------------------------------------------------------

for related groups of syntax definitions, referring to their
names with dictionary keys.

Over-80-Byte-Limit Lookbehind Examples:
https://raw.githubusercontent.com/openjdk/jdk/refs/tags/jdk-24%2B36/src/java.base/share/classes/sun/security/x509/NamedX509Key.java [Lines 43 & 44]
https://raw.githubusercontent.com/openjdk/jdk/refs/tags/jdk-24%2B36/src/jdk.compiler/share/classes/com/sun/tools/javac/util/GraphUtils.java [Line 154]

closes: #17921

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Aliaksei Budavei
2025-08-08 10:50:19 +02:00
committed by Christian Brabandt
parent adfea9b4e6
commit 7132935413
10 changed files with 75 additions and 28 deletions

View File

@ -3,7 +3,7 @@
" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
" Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
" Repository: https://github.com/zzzyxwvut/java-vim.git
" Last Change: 2025 Jun 22
" Last Change: 2025 Aug 07
" Please check ":help java.vim" for comments on some of the options
" available.
@ -125,11 +125,29 @@ endif
" if necessary, on the line before that (h: \@<=), trying to match
" neither a method reference nor a qualified method invocation.
try
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
if !empty(get(g:, 'java_lookbehind_byte_counts', {}))
exec 'syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@' . max([0, get(g:java_lookbehind_byte_counts, 'javaOperator', 80)]) . '<!\<yield\>"'
function! s:ff.PeekFor(item, count) abort
return string(max([0, get(g:java_lookbehind_byte_counts, a:item, a:count)]))
endfunction
else
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
function! s:ff.PeekFor(dummy, count) abort
return string(a:count)
endfunction
endif
let s:ff.Peek = s:ff.LeftConstant
catch /\<E59:/
call s:ReportOnce(v:exception)
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
function! s:ff.PeekFor(dummy_a, dummy_b) abort
return ""
endfunction
let s:ff.Peek = s:ff.RightConstant
endtry
@ -308,7 +326,7 @@ if exists("g:java_highlight_generics")
" Match sections of generic methods and constructors and their
" parameterised use.
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/' . s:ff.Engine('\%#=2', '') . '\%(^\|\s\)\@' . s:ff.Peek('1', '') . '<=<\%(\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\_s\+\%(\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\_s\+\)\=\<\K\k*\>\s*(\)\@=/ end=/>/ contains=javaGenerics,@javaTypeParams'
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/\%(\%(\<new\|::\|\.\)[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<=<>\@!/ end=/>/ contains=javaGenerics,@javaTypeParams'
exec 'syn region javaTypeParamSection transparent matchgroup=javaGenericsCX start=/\%(\%(\<new\|::\|\.\)[[:space:]\n]*\)\@' . s:ff.PeekFor('javaTypeParamSection', 80) . '<=<>\@!/ end=/>/ contains=javaGenerics,@javaTypeParams'
for s:ctx in [{'gsg': 'javaGenerics', 'ghg': 'javaGenericsC1', 'csg': 'javaGenericsX', 'c': ''},
\ {'gsg': 'javaGenericsX', 'ghg': 'javaGenericsC2', 'csg': 'javaGenerics', 'c': ' contained'}]
@ -376,7 +394,7 @@ syn match javaCommentStar contained "^\s*\*$"
syn match javaLineComment "//.*" contains=@javaCommentSpecial2,javaTodo,javaCommentMarkupTag,javaSpaceError,@Spell
syn match javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
syn match javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/\%(=\s*\)\@' . s:ff.PeekFor('javaCommentMarkupTagAttr', 80) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
syn match javaCommentError contained "/\*"me=e-1 display
if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:main_syntax != 'jsp'
@ -476,9 +494,9 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
if s:with_markdown
syn region javaMarkdownComment start="///" skip="^\s*///.*$" end="^" keepend contains=javaMarkdownCommentTitle,javaMarkdownShortcutLink,@javaMarkdown,@javaDocTags,javaTodo,@Spell nextgroup=javaMarkdownCommentTitle fold
syn match javaMarkdownCommentMask contained "^\s*///"
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///" matchgroup=javaMarkdownCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\n\%(\s*///\s*$\)\@=" end="\%(^\s*///\s*\)\@' . s:ff.Peek('80', '') . '<=@"me=s-2,he=s-1 contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///\s*\%({@return\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}\%(\s*\.*\)*" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.PeekFor('javaMarkdownCommentTitle', 120) . '<!///" matchgroup=javaMarkdownCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\n\%(\s*///\s*$\)\@=" end="\%(^\s*///\s*\)\@' . s:ff.PeekFor('javaMarkdownCommentTitle', 120) . '<=@"me=s-2,he=s-1 contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.PeekFor('javaMarkdownCommentTitle', 120) . '<!///\s*\%({@return\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}\%(\s*\.*\)*" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.PeekFor('javaMarkdownCommentTitle', 120) . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
" REDEFINE THE MARKDOWN ITEMS ANCHORED WITH "^", OBSERVING THE
" DEFINITION ORDER.
@ -530,7 +548,7 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
if s:with_html
syn region javaDocComment start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,@javaDocTags,javaTodo,javaCommentError,javaSpaceError,@Spell fold
exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s:ff.Peek('80', '') . '<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags'
exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s:ff.PeekFor('javaCommentTitle', 120) . '<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags'
syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*\s*\r\=\n\=\s*\**\s*\%({@return\>\)\@=" matchgroup=javaCommentTitle end="}\%(\s*\.*\)*" contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags,javaTitleSkipBlock
syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*\s*\r\=\n\=\s*\**\s*\%({@summary\>\)\@=" matchgroup=javaCommentTitle end="}" contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags,javaTitleSkipBlock
hi def link javaDocComment Comment
@ -605,7 +623,7 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
syn region javaCodeSkipBlock contained transparent start="{\%(@code\>\)\@!" end="}" contains=javaCodeSkipBlock,javaDocCodeTag
syn region javaDocCodeTag contained start="{@code\>" end="}" contains=javaDocCodeTag,javaCodeSkipBlock
exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/:$/ end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl'
exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/:$/ end=/\%(=\s*\)\@' . s:ff.PeekFor('javaDocSnippetTagAttr', 80) . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl'
syn region javaSnippetSkipBlock contained transparent start="{\%(@snippet\>\)\@!" end="}" contains=javaSnippetSkipBlock,javaDocSnippetTag,javaCommentMarkupTag
syn region javaDocSnippetTag contained start="{@snippet\>" end="}" contains=javaDocSnippetTag,javaSnippetSkipBlock,javaDocSnippetTagAttr,javaCommentMarkupTag
@ -655,8 +673,8 @@ syn match javaTextBlockError +"""\s*"""+
if s:ff.IsAnyRequestedPreviewFeatureOf([430])
syn region javaStrTemplEmbExp contained matchgroup=javaStrTempl start="\\{" end="}" contains=TOP
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.PeekFor('javaStrTempl', 80) . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.PeekFor('javaStrTempl', 80) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
hi def link javaStrTempl Macro
endif
@ -699,7 +717,7 @@ if exists("g:java_highlight_functions")
" definitions take care of constructor declarations and enum
" constants (with no support for @Foo(value = "bar")). Also,
" reject inlined declarations with "[^{]" for signature.
exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start="' . s:ff.PeekTo('\%(', '') . '^' . s:indent . '\%(<\%(/\*.\{-}\*/\|[^(){}>]\|\n\)\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^={]*\%(\<record\)\@' . s:ff.Peek('6', '') . '<!\s' . s:ff.PeekFrom('\)\@' . s:ff.Peek('80', '') . '<=', '') . '\K\k*\s*(" end=")" contains=@javaFuncParams'
exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start="' . s:ff.PeekTo('\%(', '') . '^' . s:indent . '\%(<\%(/\*.\{-}\*/\|[^(){}>]\|\n\)\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^={]*\%(\<record\)\@' . s:ff.Peek('6', '') . '<!\s' . s:ff.PeekFrom('\)\@' . s:ff.PeekFor('javaFuncDef', 120) . '<=', '') . '\K\k*\s*(" end=")" contains=@javaFuncParams'
" As long as package-private constructors cannot be matched with
" javaFuncDef, do not look with javaConstructorSkipDeclarator for
" them. (Approximate "javaTypeParamSection" if necessary.)
@ -710,7 +728,7 @@ if exists("g:java_highlight_functions")
exec 'syn match javaEnumSkipConstant contained transparent /^' . s:indent . '\%(\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\%((.*)\)\=\s*[,;({]\s*\)\+/ contains=@javaEnumConstants'
" (2) Define a syntax group for top level enumerations and tell
" apart their constants from method declarations.
exec 'syn region javaTopEnumDeclaration transparent start=/\%(^\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(strictfp\s\+\)\=\<enum\_s\+\)\@' . s:ff.Peek('80', '') . '<=\K\k*\%(\_s\+implements\_s.\+\)\=\_s*{/ end=/}/ contains=@javaTop,javaEnumSkipConstant'
exec 'syn region javaTopEnumDeclaration transparent start=/\%(^\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(strictfp\s\+\)\=\<enum\_s\+\)\@' . s:ff.PeekFor('javaTopEnumDeclaration', 80) . '<=\K\k*\%(\_s\+implements\_s.\+\)\=\_s*{/ end=/}/ contains=@javaTop,javaEnumSkipConstant'
" (3) Define a base variant of javaParenT without using @javaTop
" in order to not include javaFuncDef.
syn region javaParenE transparent matchgroup=javaParen start="(" end=")" contains=@javaEnumConstants,javaInParen
@ -722,7 +740,7 @@ if exists("g:java_highlight_functions")
" Match arbitrarily indented camelCasedName method declarations.
" Match: [@ɐ] [abstract] [<α, β>] Τʬ[<γ>][[][]] μʭʭ(/* ... */);
exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start=/' . s:ff.Engine('\%#=2', '') . s:ff.PeekTo('\%(', '') . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\s\+' . s:ff.PeekFrom('\)\@' . s:ff.Peek('80', '') . '<=', '') . '\<' . s:ff.LowerCase('[$_[:lower:]]', '[^A-Z0-9]') . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start=/' . s:ff.Engine('\%#=2', '') . s:ff.PeekTo('\%(', '') . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\%(<\%([^(){}]\|\n\)\+[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\s\+' . s:ff.PeekFrom('\)\@' . s:ff.PeekFor('javaFuncDef', 120) . '<=', '') . '\<' . s:ff.LowerCase('[$_[:lower:]]', '[^A-Z0-9]') . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
endif
endif
@ -736,8 +754,8 @@ if exists("g:java_highlight_debug")
" The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\,
" share one colour by default. Do not conflate unrelated parens.
syn region javaDebugStrTemplEmbExp contained matchgroup=javaDebugStrTempl start="\\{" end="}" contains=javaComment,javaLineComment,javaDebug\%(Paren\)\@!.*
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.PeekFor('javaDebugStrTempl', 80) . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.PeekFor('javaDebugStrTempl', 80) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
hi def link javaDebugStrTempl Macro
endif
@ -786,7 +804,7 @@ syn region javaBlockOther transparent matchgroup=javaBlockOtherStart start="{" e
" Try not to fold top-level-type bodies under assumption that there is
" but one such body.
exec 'syn region javaBlock transparent matchgroup=javaBlockStart start="\%(^\|^\S[^:]\+\)\@' . s:ff.Peek('120', '') . '<!{" end="}" fold'
exec 'syn region javaBlock transparent matchgroup=javaBlockStart start="\%(^\|^\S[^:]\+\)\@' . s:ff.PeekFor('javaBlock', 120) . '<!{" end="}" fold'
" See "D.2.1 Anonymous Classes" at
" https://web.archive.org/web/20010821025330/java.sun.com/docs/books/jls/first_edition/html/1.1Update.html#12959.

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@ -1,9 +1,9 @@
| +0#0000e05#a8a8a8255@1>/+0&#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l|o|c|a|l| |f|o|l|d|e|n|a|b|l|e| |f|o|l|d|c|o|l|u|m|n|=|2| |f|o|l|d|m|e|t|h|o|d|=|s|y|n|t|a|x| +0#0000000&@4
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|j|a|v|a|_|f|o|l|d|t|e|x|t|_|s|h|o|w|_|f|i|r|s|t|_|o|r|_|s|e|c|o|n|d|_|l|i|n|e| |=| |1| +0#0000000&@5
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|j|a|v|a|_|l|o@1|k|b|e|h|i|n|d|_|b|y|t|e|_|c|o|u|n|t|s| |=| |{|'|j|a|v|a|B|l|o|c|k|'|:| |-|1|}| +0#0000000&@1
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i|g|h|l|i|g|h|t| |l|i|n|k| |j|a|v|a|B|l|o|c|k|O|t|h|e|r|S|t|a|r|t| |S|t|r|u|c|t|u|r|e| +0#0000000&@10
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i|g|h|l|i|g|h|t| |l|i|n|k| |j|a|v|a|B|l|o|c|k|S|t|a|r|t| |T|o|d|o| +0#0000000&@20
| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@72
| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@72
|++0#0000e05#a8a8a8255| |+|-@1| |1|9| |l|i|n|e|s|:| |@|S|u|p@1|r|e|s@1|W|a|r|n|i|n|g|s|(|{|-@39
| @1|c+0#00e0003#ffffff0|l|a|s@1| +0#0000000&|F|o|l|d|i|n|g|T|e|s|t|s| |{+0#00e0003&| +0#0000000&@52
| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@3|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|F|o|l|d|e|n|a|b|l|e| @48

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@ -15,6 +15,6 @@
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |{| +0#0000000&@68
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0@1| |}| +0#0000000&@68
| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@72
|++0#0000e05#a8a8a8255| |+|-@1| @1|2| |l|i|n|e|s|:| |1|2@1|||.@54
|~+0#4040ff13#ffffff0| @73
| +0#0000000&@56|9|7|,|2|-|1| @7|B|o|t|
| +0#0000e05#a8a8a8255@1|/+0&#ffffff0|*| |1|2@1|||.@65
| +0&#a8a8a8255@1|.+0&#ffffff0@23|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|F|o|l|d|e|n|a|b|l|e| |{+0#00e0003&| +0#0000000&@23
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@ -0,0 +1,20 @@
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| +0&#a8a8a8255@1|.+0&#ffffff0@23|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|F|o|l|d|e|n|a|b|l|e| |{+0#00e0003&| +0#0000000&@23
| +0#0000e05#a8a8a8255@1>}+0#00e0003#ffffff0| +0#0000000&@71
|~+0#4040ff13&| @73
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@ -1,9 +1,9 @@
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@ -16,5 +16,5 @@
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@ -1,6 +1,6 @@
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@ -1,9 +1,9 @@
// VIM_TEST_SETUP setlocal foldenable foldcolumn=2 foldmethod=syntax
// VIM_TEST_SETUP let g:java_foldtext_show_first_or_second_line = 1
// VIM_TEST_SETUP let g:java_lookbehind_byte_counts = {'javaBlock': -1}
// VIM_TEST_SETUP highlight link javaBlockOtherStart Structure
// VIM_TEST_SETUP highlight link javaBlockStart Todo
@SuppressWarnings({
"""
bespoke

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@ -1,9 +1,9 @@
// VIM_TEST_SETUP setlocal nofoldenable
// VIM_TEST_SETUP let g:java_mark_braces_in_parens_as_errors = 1
// VIM_TEST_SETUP let g:java_lookbehind_byte_counts = {'javaBlock': -1}
// VIM_TEST_SETUP highlight link javaBlockOtherStart Structure
// VIM_TEST_SETUP highlight link javaBlockStart Todo
@SuppressWarnings({
"""
bespoke