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vim-patch:01a4fb1: runtime(java): Compose "g:java_highlight_signature" and "g:java_highlight_functions"
With the variables defined, distinctly highlight parts of
a method declaration header: its name and parameter list
parens, from its type parameters, return type, and formal
parameters; and distinctly highlight parts of a lambda
expression: its parameter list parens and the arrow, from
its formal parameters and identifiers.
closes: vim/vim#15083
01a4fb104d
Co-authored-by: Aliaksei Budavei <0x000c70@gmail.com>
This commit is contained in:
Christian Clason
parent
6c3f7e7e27
commit
be999e6a0e
@ -1560,6 +1560,13 @@ However, if you follow the Java guidelines about how functions and classes are
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supposed to be named (with respect to upper- and lowercase) and there is any
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amount of indentation, you may want to set >
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:let java_highlight_functions="style"
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In addition, you can combine any value of "java_highlight_functions" with >
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:let java_highlight_signature=1
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to have the name of a function with its parameter list parens distinctly
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highlighted from its type parameters, return type, and formal parameters; and
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to have the parameter list parens of a lambda expression with its arrow
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distinctly highlighted from its formal parameters or identifiers.
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If neither setting does work for you, but you would still want headers of
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function declarations to be highlighted, modify the current syntax definitions
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or compose new ones.
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@ -3,7 +3,7 @@
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" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
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" Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
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" Repository: https://github.com/zzzyxwvut/java-vim.git
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" Last Change: 2024 Jun 19
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" Last Change: 2024 Jun 22
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" Please check :help java.vim for comments on some of the options available.
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@ -139,6 +139,12 @@ else
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let [s:ff.Engine, s:ff.UpperCase, s:ff.LowerCase] = repeat([s:ff.RightConstant], 3)
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endif
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if exists("java_highlight_signature")
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let [s:ff.PeekTo, s:ff.PeekFrom, s:ff.GroupArgs] = repeat([s:ff.LeftConstant], 3)
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else
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let [s:ff.PeekTo, s:ff.PeekFrom, s:ff.GroupArgs] = repeat([s:ff.RightConstant], 3)
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endif
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" Java modules (since Java 9, for "module-info.java" file).
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if s:module_info_cur_buf
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syn keyword javaModuleStorageClass module transitive
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@ -228,8 +234,16 @@ if exists("java_highlight_all") || exists("java_highlight_java") || exists("ja
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hi def link javaE_ javaExceptions
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hi def link javaC_ javaConstant
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syn keyword javaLangObject clone equals finalize getClass hashCode
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syn keyword javaLangObject notify notifyAll toString wait
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syn keyword javaLangObject getClass notify notifyAll wait
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" Lower the syntax priority of overridable java.lang.Object method
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" names for zero-width matching (define g:java_highlight_signature
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" and see their base declarations for java.lang.Object):
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syn match javaLangObject "\<clone\>"
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syn match javaLangObject "\<equals\>"
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syn match javaLangObject "\<finalize\>"
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syn match javaLangObject "\<hashCode\>"
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syn match javaLangObject "\<toString\>"
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hi def link javaLangObject javaConstant
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endif
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@ -364,30 +378,49 @@ syn match javaSpecial "\\u\x\x\x\x"
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if exists("java_highlight_functions")
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syn cluster javaFuncParams contains=javaAnnotation,@javaClasses,javaGenerics,javaType,javaVarArg,javaComment,javaLineComment
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if exists("java_highlight_signature")
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syn keyword javaParamModifier contained final
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syn cluster javaFuncParams add=javaParamModifier
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hi def link javaParamModifier javaConceptKind
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hi def link javaFuncDefStart javaFuncDef
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else
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syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
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endif
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if java_highlight_functions =~# '^indent[1-8]\=$'
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let s:last = java_highlight_functions[-1 :]
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let s:indent = s:last != 't' ? repeat("\x20", s:last) : "\t"
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syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
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" Try to not match other type members, initialiser blocks, enum
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" constants (JLS-17, §8.9.1), and constructors (JLS-17, §8.1.7):
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" at any _conventional_ indentation, skip over all fields with
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" "[^=]*", all records with "\<record\s", and let the "*Skip*"
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" definitions take care of constructor declarations and enum
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" constants (with no support for @Foo(value = "bar")).
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exec 'syn region javaFuncDef start=+^' . s:indent . '\%(<[^>]\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^=]*\%(\<record\)\@' . s:ff.Peek('6', '') . '<!\s\K\k*\s*(+ end=+)+ contains=@javaFuncParams'
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" constants (with no support for @Foo(value = "bar")). Also,
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" reject inlined declarations with "[^{]" for signature.
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exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start=/' . s:ff.PeekTo('\%(', '') . '^' . s:indent . '\%(<[^>]\+>\+\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'
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" As long as package-private constructors cannot be matched with
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" javaFuncDef, do not look with javaConstructorSkipDeclarator for
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" them.
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exec 'syn match javaConstructorSkipDeclarator transparent +^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*p\%(ublic\|rotected\|rivate\)\s\+\%(<[^>]\+>\+\s\+\)\=\K\k*\s*\ze(+ contains=javaAnnotation,javaScopeDecl'
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exec 'syn match javaEnumSkipArgumentativeConstant transparent +^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\ze(+ contains=javaAnnotation'
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exec 'syn match javaConstructorSkipDeclarator transparent /^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*p\%(ublic\|rotected\|rivate\)\s\+\%(<[^>]\+>\+\s\+\)\=\K\k*\s*\ze(/ contains=javaAnnotation,javaScopeDecl,javaClassDecl,javaTypedef,javaGenerics'
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" With a zero-width span for signature applicable on demand to
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" javaFuncDef, make related adjustments:
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" (1) Claim all enum constants of a line as a unit.
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exec 'syn match javaEnumSkipConstant contained transparent /^' . s:indent . '\%(\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\%((.*)\)\=\s*[,;({]\s*\)\+/ contains=@javaEnumConstants'
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" (2) Define a syntax group for top level enumerations and tell
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" apart their constants from method declarations.
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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'
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" (3) Define a base variant of javaParenT without using @javaTop
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" in order to not include javaFuncDef.
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syn region javaParenE transparent matchgroup=javaParen start="(" end=")" contains=@javaEnumConstants,javaInParen
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syn region javaParenE transparent matchgroup=javaParen start="\[" end="\]" contains=@javaEnumConstants
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syn cluster javaEnumConstants contains=TOP,javaTopEnumDeclaration,javaFuncDef,javaParenT
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unlet s:indent s:last
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else
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" This is the "style" variant (:help ft-java-syntax).
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syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
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" Match arbitrarily indented camelCasedName method declarations.
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" Match: [@ɐ] [abstract] [<α, β>] Τʬ[<γ>][[][]] μʭʭ(/* ... */);
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exec 'syn region javaFuncDef start=/' . s:ff.Engine('\%#=2', '') . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<.*[[: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*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\s\+\<' . s:ff.LowerCase('[$_[:lower:]]', '[^A-Z0-9]') . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
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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\+\)*\)\=\%(<.*[[: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*\>\%(<[^(){}]*[[: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'
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endif
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endif
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@ -466,19 +499,29 @@ hi def link javaParenError javaError
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" Lambda expressions (JLS-17, §15.27).
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if exists("java_highlight_functions")
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if exists("java_highlight_signature")
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let s:ff.LambdaDef = s:ff.LeftConstant
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else
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let s:ff.LambdaDef = s:ff.RightConstant
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endif
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" Make ()-matching definitions after the parenthesis error catcher.
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"
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" Note that here and elsewhere a single-line token is used for \z,
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" with other tokens repeated as necessary, to overcome the lack of
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" support for multi-line matching with \z.
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"
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" Match: ([@A [@B ...] final] var a[, var b, ...]) ->
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" | ([@A [@B ...] final] T[<α>][[][]] a[, T b, ...]) ->
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" There is no recognition of expressions interspersed with comments
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" or of expressions whose parameterised parameter types are written
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" across multiple lines.
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exec 'syn match javaLambdaDef "\k\@' . s:ff.Peek('4', '') . '<!([[:space:]\n]*\%(\%(@\%(\K\k*\.\)*\K\k*\>\%((\_.\{-1,})\)\{-,1}[[:space:]\n]\+\)*\%(final[[:space:]\n]\+\)\=\%(\<\K\k*\>\.\)*\<\K\k*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\%(\%(\%(\[\]\)\+\|\.\.\.\)\)\=[[:space:]\n]\+\<\K\k*\>\%(\[\]\)*\%(,[[:space:]\n]*\)\=\)\+)[[:space:]\n]*->" contains=javaAnnotation,javaParamModifier,javaLambdaVarType,javaType,@javaClasses,javaGenerics,javaVarArg'
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exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent matchgroup=javaLambdaDefStart start=/', 'match javaLambdaDef "') . '\k\@' . s:ff.Peek('4', '') . '<!(' . s:ff.LambdaDef('\%(', '') . '[[:space:]\n]*\%(\%(@\%(\K\k*\.\)*\K\k*\>\%((\_.\{-1,})\)\{-,1}[[:space:]\n]\+\)*\%(final[[:space:]\n]\+\)\=\%(\<\K\k*\>\.\)*\<\K\k*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\%(\%(\%(\[\]\)\+\|\.\.\.\)\)\=[[:space:]\n]\+\<\K\k*\>\%(\[\]\)*\%(,[[:space:]\n]*\)\=\)\+)[[:space:]\n]*' . s:ff.LambdaDef('\z(->\)\)\@=/ end=/)[[:space:]\n]*\z1/', '->"') . ' contains=javaAnnotation,javaParamModifier,javaLambdaVarType,javaType,@javaClasses,javaGenerics,javaVarArg'
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" Match: () ->
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" | (a[, b, ...]) ->
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exec 'syn match javaLambdaDef "\k\@' . s:ff.Peek('4', '') . '<!([[:space:]\n]*\%(\<\K\k*\>\%(,[[:space:]\n]*\)\=\)*)[[:space:]\n]*->"'
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exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent matchgroup=javaLambdaDefStart start=/', 'match javaLambdaDef "') . '\k\@' . s:ff.Peek('4', '') . '<!(' . s:ff.LambdaDef('\%(', '') . '[[:space:]\n]*\%(\<\K\k*\>\%(,[[:space:]\n]*\)\=\)*)[[:space:]\n]*' . s:ff.LambdaDef('\z(->\)\)\@=/ end=/)[[:space:]\n]*\z1/', '->"')
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" Match: a ->
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exec 'syn match javaLambdaDef "\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<![[:space:]\n]*->"'
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exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent start=/', 'match javaLambdaDef "') . '\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!' . s:ff.LambdaDef('\%([[:space:]\n]*\z(->\)\)\@=/ matchgroup=javaLambdaDefStart end=/\z1/', '[[:space:]\n]*->"')
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syn keyword javaParamModifier contained final
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hi def link javaParamModifier javaConceptKind
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@ -488,7 +531,7 @@ endif
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" The @javaTop cluster comprises non-contained Java syntax groups.
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" Note that the syntax file "aidl.vim" relies on its availability.
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syn cluster javaTop contains=TOP
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syn cluster javaTop contains=TOP,javaTopEnumDeclaration
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if !exists("java_minlines")
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let java_minlines = 10
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@ -504,6 +547,7 @@ exec "syn sync ccomment javaComment minlines=" . java_minlines
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" The default highlighting.
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hi def link javaLambdaDef Function
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hi def link javaLambdaDefStart Function
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hi def link javaFuncDef Function
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hi def link javaVarArg Function
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hi def link javaBranch Conditional
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