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

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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
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GPG Key ID: F3F92DA383FDDE09
10 changed files with 75 additions and 28 deletions
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11
runtime/doc/syntax.txt
View File

@ -1,4 +1,4 @@
*syntax.txt* For Vim version 9.1. Last change: 2025 Aug 07 *syntax.txt* For Vim version 9.1. Last change: 2025 Aug 08
VIM REFERENCE MANUAL by Bram Moolenaar VIM REFERENCE MANUAL by Bram Moolenaar
@ -2231,6 +2231,15 @@ Certain modifiers are incompatible with each other, e.g. `abstract` and
and can be differently highlighted as a group than other modifiers with > and can be differently highlighted as a group than other modifiers with >
:hi link javaConceptKind NonText :hi link javaConceptKind NonText
All instances of variable-width lookbehind assertions (|/\@<!| and |/\@<=|),
resorted to in syntax item definitions, are confined to arbitrary byte counts.
Another arbitrary value can be selected for a related group of definitions.
For example: >
:let g:java_lookbehind_byte_counts = {'javaMarkdownCommentTitle': 240}
Where each key name of this dictionary is the name of a syntax item. The use
of these assertions in syntax items may vary among revisions, so no definitive
set of supported key names is committed to.
If you notice highlighting errors while scrolling backwards, which are fixed If you notice highlighting errors while scrolling backwards, which are fixed
when redrawing with CTRL-L, try setting the "g:java_minlines" variable to when redrawing with CTRL-L, try setting the "g:java_minlines" variable to
a larger number: > a larger number: >

50
runtime/syntax/java.vim
View File

@ -3,7 +3,7 @@
" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com> " Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
" Former Maintainer: Claudio Fleiner <claudio@fleiner.com> " Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
" Repository: https://github.com/zzzyxwvut/java-vim.git " 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 " Please check ":help java.vim" for comments on some of the options
" available. " available.
@ -125,11 +125,29 @@ endif
" if necessary, on the line before that (h: \@<=), trying to match " if necessary, on the line before that (h: \@<=), trying to match
" neither a method reference nor a qualified method invocation. " neither a method reference nor a qualified method invocation.
try try
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\>" 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 let s:ff.Peek = s:ff.LeftConstant
catch /\<E59:/ catch /\<E59:/
call s:ReportOnce(v:exception) call s:ReportOnce(v:exception)
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>" syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
function! s:ff.PeekFor(dummy_a, dummy_b) abort
return ""
endfunction
let s:ff.Peek = s:ff.RightConstant let s:ff.Peek = s:ff.RightConstant
endtry endtry
@ -308,7 +326,7 @@ if exists("g:java_highlight_generics")
" Match sections of generic methods and constructors and their " Match sections of generic methods and constructors and their
" parameterised use. " 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=/' . 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': ''}, for s:ctx in [{'gsg': 'javaGenerics', 'ghg': 'javaGenericsC1', 'csg': 'javaGenericsX', 'c': ''},
\ {'gsg': 'javaGenericsX', 'ghg': 'javaGenericsC2', 'csg': 'javaGenerics', 'c': ' contained'}] \ {'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 javaLineComment "//.*" contains=@javaCommentSpecial2,javaTodo,javaCommentMarkupTag,javaSpaceError,@Spell
syn match javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite syn match javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
syn match javaCommentMarkupTagAttr contained "\<region\>" 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 syn match javaCommentError contained "/\*"me=e-1 display
if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:main_syntax != 'jsp' 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 if s:with_markdown
syn region javaMarkdownComment start="///" skip="^\s*///.*$" end="^" keepend contains=javaMarkdownCommentTitle,javaMarkdownShortcutLink,@javaMarkdown,@javaDocTags,javaTodo,@Spell nextgroup=javaMarkdownCommentTitle fold syn region javaMarkdownComment start="///" skip="^\s*///.*$" end="^" keepend contains=javaMarkdownCommentTitle,javaMarkdownShortcutLink,@javaMarkdown,@javaDocTags,javaTodo,@Spell nextgroup=javaMarkdownCommentTitle fold
syn match javaMarkdownCommentMask contained "^\s*///" 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.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.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.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.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) . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
" REDEFINE THE MARKDOWN ITEMS ANCHORED WITH "^", OBSERVING THE " REDEFINE THE MARKDOWN ITEMS ANCHORED WITH "^", OBSERVING THE
" DEFINITION ORDER. " DEFINITION ORDER.
@ -530,7 +548,7 @@ if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:mai
if s:with_html if s:with_html
syn region javaDocComment start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,@javaDocTags,javaTodo,javaCommentError,javaSpaceError,@Spell fold 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*\%({@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 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 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 javaCodeSkipBlock contained transparent start="{\%(@code\>\)\@!" end="}" contains=javaCodeSkipBlock,javaDocCodeTag
syn region javaDocCodeTag contained start="{@code\>" end="}" contains=javaDocCodeTag,javaCodeSkipBlock 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 javaSnippetSkipBlock contained transparent start="{\%(@snippet\>\)\@!" end="}" contains=javaSnippetSkipBlock,javaDocSnippetTag,javaCommentMarkupTag
syn region javaDocSnippetTag contained start="{@snippet\>" end="}" contains=javaDocSnippetTag,javaSnippetSkipBlock,javaDocSnippetTagAttr,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]) if s:ff.IsAnyRequestedPreviewFeatureOf([430])
syn region javaStrTemplEmbExp contained matchgroup=javaStrTempl start="\\{" end="}" contains=TOP 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.PeekFor('javaStrTempl', 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) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
hi def link javaStrTempl Macro hi def link javaStrTempl Macro
endif endif
@ -699,7 +717,7 @@ if exists("g:java_highlight_functions")
" definitions take care of constructor declarations and enum " definitions take care of constructor declarations and enum
" constants (with no support for @Foo(value = "bar")). Also, " constants (with no support for @Foo(value = "bar")). Also,
" reject inlined declarations with "[^{]" for signature. " 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 " As long as package-private constructors cannot be matched with
" javaFuncDef, do not look with javaConstructorSkipDeclarator for " javaFuncDef, do not look with javaConstructorSkipDeclarator for
" them. (Approximate "javaTypeParamSection" if necessary.) " 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' 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 " (2) Define a syntax group for top level enumerations and tell
" apart their constants from method declarations. " 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 " (3) Define a base variant of javaParenT without using @javaTop
" in order to not include javaFuncDef. " in order to not include javaFuncDef.
syn region javaParenE transparent matchgroup=javaParen start="(" end=")" contains=@javaEnumConstants,javaInParen 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 arbitrarily indented camelCasedName method declarations.
" Match: [@ɐ] [abstract] [<α, β>] Τʬ[<γ>][[][]] μʭʭ(/* ... */); " 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
endif endif
@ -736,8 +754,8 @@ if exists("g:java_highlight_debug")
" The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\, " The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\,
" share one colour by default. Do not conflate unrelated parens. " share one colour by default. Do not conflate unrelated parens.
syn region javaDebugStrTemplEmbExp contained matchgroup=javaDebugStrTempl start="\\{" end="}" contains=javaComment,javaLineComment,javaDebug\%(Paren\)\@!.* 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.PeekFor('javaDebugStrTempl', 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) . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
hi def link javaDebugStrTempl Macro hi def link javaDebugStrTempl Macro
endif 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 " Try not to fold top-level-type bodies under assumption that there is
" but one such body. " 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 " 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. " https://web.archive.org/web/20010821025330/java.sun.com/docs/books/jls/first_edition/html/1.1Update.html#12959.

2
runtime/syntax/testdir/dumps/java_enfoldment_00.dump
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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| |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|_|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|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&#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| +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 |++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 | @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 | +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

6
runtime/syntax/testdir/dumps/java_enfoldment_02.dump
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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&#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| +0#0000000#ffffff0@72
|++0#0000e05#a8a8a8255| |+|-@1| @1|2| |l|i|n|e|s|:| |1|2@1|||.@54 | +0#0000e05#a8a8a8255@1|/+0&#ffffff0|*| |1|2@1|||.@65
|~+0#4040ff13#ffffff0| @73 | +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#0000000&@56|9|7|,|2|-|1| @7|B|o|t| @57|9|7|,|2|-|1| @7|9|8|%|

20
runtime/syntax/testdir/dumps/java_enfoldment_03.dump Normal file
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@ -0,0 +1,20 @@
| +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
| +0#0000e05#a8a8a8255@1>}+0#00e0003#ffffff0| +0#0000000&@71
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
| +0#0000000&@56|1|2@1|,|1| @8|B|o|t|

2
runtime/syntax/testdir/dumps/java_unfoldment_00.dump
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@ -1,9 +1,9 @@
>/+0#0000e05#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l|o|c|a|l| |n|o|f|o|l|d|e|n|a|b|l|e| +0#0000000&@35 >/+0#0000e05#ffffff0@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l|o|c|a|l| |n|o|f|o|l|d|e|n|a|b|l|e| +0#0000000&@35
|/+0#0000e05&@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|j|a|v|a|_|m|a|r|k|_|b|r|a|c|e|s|_|i|n|_|p|a|r|e|n|s|_|a|s|_|e|r@1|o|r|s| |=| |1| +0#0000000&@10 |/+0#0000e05&@1| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|j|a|v|a|_|m|a|r|k|_|b|r|a|c|e|s|_|i|n|_|p|a|r|e|n|s|_|a|s|_|e|r@1|o|r|s| |=| |1| +0#0000000&@10
|/+0#0000e05&@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&@3
|/+0#0000e05&@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&@12 |/+0#0000e05&@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&@12
|/+0#0000e05&@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&@22 |/+0#0000e05&@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&@22
@75 @75
@75
@4|@+0#e000e06&|S|u|p@1|r|e|s@1|W|a|r|n|i|n|g|s|(|{+0#0000001#ffff4012| +0#0000000#ffffff0@51 @4|@+0#e000e06&|S|u|p@1|r|e|s@1|W|a|r|n|i|n|g|s|(|{+0#0000001#ffff4012| +0#0000000#ffffff0@51
@4|"@2| @67 @4|"@2| @67
| +0#e000002&@3|b|e|s|p|o|k|e| +0#0000000&@63 | +0#e000002&@3|b|e|s|p|o|k|e| +0#0000000&@63

2
runtime/syntax/testdir/dumps/java_unfoldment_06.dump
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@ -16,5 +16,5 @@
|/+0#0000e05&@1| |}| +0#0000000&@70 |/+0#0000e05&@1| |}| +0#0000000&@70
@75 @75
|/+0#0000e05&|*| |1|2@1|||.@67 |/+0#0000e05&|*| |1|2@1|||.@67
@20|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|U|n|f|o|l|d|e|n|a|b|l|e| |{+0#0000001#ffff4012| +0#0000000#ffffff0@27 @20|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|U|n|f|o|l|d|e|n|a|b|l|e| |{+0#00e0003&| +0#0000000&@27
@57|1|0|9|,|1| @8|9@1|%| @57|1|0|9|,|1| @8|9@1|%|

4
runtime/syntax/testdir/dumps/java_unfoldment_07.dump
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@ -1,6 +1,6 @@
|/+0#0000e05#ffffff0|*| |1|2@1|||.@67 |/+0#0000e05#ffffff0|*| |1|2@1|||.@67
@20|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|U|n|f|o|l|d|e|n|a|b|l|e| |{+0#0000001#ffff4012| +0#0000000#ffffff0@27 @20|*|/| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|U|n|f|o|l|d|e|n|a|b|l|e| |{+0#00e0003&| +0#0000000&@27
>}+0#0000001#ffff4012| +0#0000000#ffffff0@73 >}+0#00e0003&| +0#0000000&@73
|~+0#4040ff13&| @73 |~+0#4040ff13&| @73
|~| @73 |~| @73
|~| @73 |~| @73

2
runtime/syntax/testdir/input/java_enfoldment.java
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@ -1,9 +1,9 @@
// VIM_TEST_SETUP setlocal foldenable foldcolumn=2 foldmethod=syntax // 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_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 javaBlockOtherStart Structure
// VIM_TEST_SETUP highlight link javaBlockStart Todo // VIM_TEST_SETUP highlight link javaBlockStart Todo
@SuppressWarnings({ @SuppressWarnings({
""" """
bespoke bespoke

2
runtime/syntax/testdir/input/java_unfoldment.java
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@ -1,9 +1,9 @@
// VIM_TEST_SETUP setlocal nofoldenable // VIM_TEST_SETUP setlocal nofoldenable
// VIM_TEST_SETUP let g:java_mark_braces_in_parens_as_errors = 1 // 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 javaBlockOtherStart Structure
// VIM_TEST_SETUP highlight link javaBlockStart Todo // VIM_TEST_SETUP highlight link javaBlockStart Todo
@SuppressWarnings({ @SuppressWarnings({
""" """
bespoke bespoke