neovim/runtime/syntax/java.vim
Christian Clason 7c48cedf30 vim-patch:7129f2a: runtime(java): Improve the matching of lambda expressions (vim/vim#14880)
- Distinguish some formal parameters.
- Support multi-line definitions.

7129f2ad2f

Co-authored-by: Aliaksei Budavei <32549825+zzzyxwvut@users.noreply.github.com>
2024-05-31 14:11:10 +02:00

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" Vim syntax file
" Language: Java
" 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: 2024 May 30
" Please check :help java.vim for comments on some of the options available.
" quit when a syntax file was already loaded
if !exists("main_syntax")
if exists("b:current_syntax")
finish
endif
" we define it here so that included files can test for it
let main_syntax='java'
syn region javaFold start="{" end="}" transparent fold
endif
let s:cpo_save = &cpo
set cpo&vim
"""" STRIVE TO REMAIN COMPATIBLE FOR AT LEAST VIM 7.0.
let s:ff = {}
function! s:ff.LeftConstant(x, y) abort
return a:x
endfunction
function! s:ff.RightConstant(x, y) abort
return a:y
endfunction
if !exists("*s:ReportOnce")
function s:ReportOnce(message) abort
echomsg 'syntax/java.vim: ' . a:message
endfunction
else
function! s:ReportOnce(dummy)
endfunction
endif
" Admit the ASCII dollar sign to keyword characters (JLS-17, §3.8):
try
exec 'syntax iskeyword ' . &l:iskeyword . ',$'
catch /\<E410:/
call s:ReportOnce(v:exception)
setlocal iskeyword+=$
endtry
" some characters that cannot be in a java program (outside a string)
syn match javaError "[\\@`]"
syn match javaError "<<<\|\.\.\|=>\|||=\|&&=\|\*\/"
" use separate name so that it can be deleted in javacc.vim
syn match javaError2 "#\|=<"
hi def link javaError2 javaError
" Keywords (JLS-17, §3.9):
syn keyword javaExternal native package
syn match javaExternal "\<import\>\%(\s\+static\>\)\="
syn keyword javaError goto const
syn keyword javaConditional if else switch
syn keyword javaRepeat while for do
syn keyword javaBoolean true false
syn keyword javaConstant null
syn keyword javaTypedef this super
syn keyword javaOperator new instanceof
syn match javaOperator "\<var\>\%(\s*(\)\@!"
" Since the yield statement, which could take a parenthesised operand,
" and _qualified_ yield methods get along within the switch block
" (JLS-17, §3.8), it seems futile to make a region definition for this
" block; instead look for the _yield_ word alone, and if found,
" backtrack (arbitrarily) 80 bytes, at most, on the matched line and,
" 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\>"
let s:ff.Peek = s:ff.LeftConstant
catch /\<E59:/
call s:ReportOnce(v:exception)
syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
let s:ff.Peek = s:ff.RightConstant
endtry
syn keyword javaType boolean char byte short int long float double
syn keyword javaType void
syn keyword javaStatement return
syn keyword javaStorageClass static synchronized transient volatile strictfp serializable
syn keyword javaExceptions throw try catch finally
syn keyword javaAssert assert
syn keyword javaMethodDecl throws
" Differentiate a "MyClass.class" literal from the keyword "class".
syn match javaTypedef "\.\s*\<class\>"ms=s+1
syn keyword javaClassDecl enum extends implements interface
syn match javaClassDecl "\<permits\>\%(\s*(\)\@!"
syn match javaClassDecl "\<record\>\%(\s*(\)\@!"
syn match javaClassDecl "^class\>"
syn match javaClassDecl "[^.]\s*\<class\>"ms=s+1
syn match javaAnnotation "@\%(\K\k*\.\)*\K\k*\>"
syn match javaClassDecl "@interface\>"
syn keyword javaBranch break continue nextgroup=javaUserLabelRef skipwhite
syn match javaUserLabelRef "\k\+" contained
syn match javaVarArg "\.\.\."
syn keyword javaScopeDecl public protected private
syn keyword javaConceptKind abstract final
syn match javaConceptKind "\<non-sealed\>"
syn match javaConceptKind "\<sealed\>\%(\s*(\)\@!"
syn match javaConceptKind "\<default\>\%(\s*\%(:\|->\)\)\@!"
" Note that a "module-info" file will be recognised with an arbitrary
" file extension (or no extension at all) so that more than one such
" declaration for the same Java module can be maintained for modular
" testing in a project without attendant confusion for IDEs, with the
" ".java\=" extension used for a production version and an arbitrary
" extension used for a testing version.
let s:module_info_cur_buf = fnamemodify(bufname("%"), ":t") =~ '^module-info\%(\.class\>\)\@!'
lockvar s:module_info_cur_buf
if !(v:version < 704)
" Request the new regexp engine for [:upper:] and [:lower:].
let [s:ff.Engine, s:ff.UpperCase, s:ff.LowerCase] = repeat([s:ff.LeftConstant], 3)
else
" XXX: \C\<[^a-z0-9]\k*\> rejects "type", but matches "τύπος".
" XXX: \C\<[^A-Z0-9]\k*\> rejects "Method", but matches "Μέθοδος".
let [s:ff.Engine, s:ff.UpperCase, s:ff.LowerCase] = repeat([s:ff.RightConstant], 3)
endif
" Java modules (since Java 9, for "module-info.java" file).
if s:module_info_cur_buf
syn keyword javaModuleStorageClass module transitive
syn keyword javaModuleStmt open requires exports opens uses provides
syn keyword javaModuleExternal to with
endif
if exists("java_highlight_java_lang_ids")
let java_highlight_all=1
endif
if exists("java_highlight_all") || exists("java_highlight_java") || exists("java_highlight_java_lang")
" java.lang.*
"
" The keywords of javaR_JavaLang, javaC_JavaLang, javaE_JavaLang,
" and javaX_JavaLang are sub-grouped according to the Java version
" of their introduction, and sub-group keywords (that is, class
" names) are arranged in alphabetical order, so that future newer
" keywords can be pre-sorted and appended without disturbing
" the current keyword placement. The below _match_es follow suit.
syn keyword javaR_JavaLang ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException ClassCastException IllegalArgumentException IllegalMonitorStateException IllegalThreadStateException IndexOutOfBoundsException NegativeArraySizeException NullPointerException NumberFormatException RuntimeException SecurityException StringIndexOutOfBoundsException IllegalStateException UnsupportedOperationException EnumConstantNotPresentException TypeNotPresentException IllegalCallerException LayerInstantiationException WrongThreadException MatchException
syn cluster javaClasses add=javaR_JavaLang
hi def link javaR_JavaLang javaR_Java
" Member enumerations:
exec 'syn match javaC_JavaLang "\%(\<Thread\.\)\@' . s:ff.Peek('7', '') . '<=\<State\>"'
exec 'syn match javaC_JavaLang "\%(\<Character\.\)\@' . s:ff.Peek('10', '') . '<=\<UnicodeScript\>"'
exec 'syn match javaC_JavaLang "\%(\<ProcessBuilder\.Redirect\.\)\@' . s:ff.Peek('24', '') . '<=\<Type\>"'
exec 'syn match javaC_JavaLang "\%(\<StackWalker\.\)\@' . s:ff.Peek('12', '') . '<=\<Option\>"'
exec 'syn match javaC_JavaLang "\%(\<System\.Logger\.\)\@' . s:ff.Peek('14', '') . '<=\<Level\>"'
" Member classes:
exec 'syn match javaC_JavaLang "\%(\<Character\.\)\@' . s:ff.Peek('10', '') . '<=\<Subset\>"'
exec 'syn match javaC_JavaLang "\%(\<Character\.\)\@' . s:ff.Peek('10', '') . '<=\<UnicodeBlock\>"'
exec 'syn match javaC_JavaLang "\%(\<ProcessBuilder\.\)\@' . s:ff.Peek('15', '') . '<=\<Redirect\>"'
exec 'syn match javaC_JavaLang "\%(\<ModuleLayer\.\)\@' . s:ff.Peek('12', '') . '<=\<Controller\>"'
exec 'syn match javaC_JavaLang "\%(\<Runtime\.\)\@' . s:ff.Peek('8', '') . '<=\<Version\>"'
exec 'syn match javaC_JavaLang "\%(\<System\.\)\@' . s:ff.Peek('7', '') . '<=\<LoggerFinder\>"'
exec 'syn match javaC_JavaLang "\%(\<Enum\.\)\@' . s:ff.Peek('5', '') . '<=\<EnumDesc\>"'
syn keyword javaC_JavaLang Boolean Character Class ClassLoader Compiler Double Float Integer Long Math Number Object Process Runtime SecurityManager String StringBuffer Thread ThreadGroup Byte Short Void InheritableThreadLocal Package RuntimePermission ThreadLocal StrictMath StackTraceElement Enum ProcessBuilder StringBuilder ClassValue Module ModuleLayer StackWalker Record
syn match javaC_JavaLang "\<System\>" " See javaDebug.
" As of JDK 21, java.lang.Compiler is no more (deprecated in JDK 9).
syn keyword javaLangDeprecated Compiler
syn cluster javaClasses add=javaC_JavaLang
hi def link javaC_JavaLang javaC_Java
syn keyword javaE_JavaLang AbstractMethodError ClassCircularityError ClassFormatError Error IllegalAccessError IncompatibleClassChangeError InstantiationError InternalError LinkageError NoClassDefFoundError NoSuchFieldError NoSuchMethodError OutOfMemoryError StackOverflowError ThreadDeath UnknownError UnsatisfiedLinkError VerifyError VirtualMachineError ExceptionInInitializerError UnsupportedClassVersionError AssertionError BootstrapMethodError
syn cluster javaClasses add=javaE_JavaLang
hi def link javaE_JavaLang javaE_Java
syn keyword javaX_JavaLang ClassNotFoundException CloneNotSupportedException Exception IllegalAccessException InstantiationException InterruptedException NoSuchMethodException Throwable NoSuchFieldException ReflectiveOperationException
syn cluster javaClasses add=javaX_JavaLang
hi def link javaX_JavaLang javaX_Java
hi def link javaR_Java javaR_
hi def link javaC_Java javaC_
hi def link javaE_Java javaE_
hi def link javaX_Java javaX_
hi def link javaX_ javaExceptions
hi def link javaR_ javaExceptions
hi def link javaE_ javaExceptions
hi def link javaC_ javaConstant
syn keyword javaLangObject clone equals finalize getClass hashCode
syn keyword javaLangObject notify notifyAll toString wait
hi def link javaLangObject javaConstant
endif
if filereadable(expand("<sfile>:p:h") . "/javaid.vim")
source <sfile>:p:h/javaid.vim
endif
if exists("java_space_errors")
if !exists("java_no_trail_space_error")
syn match javaSpaceError "\s\+$"
endif
if !exists("java_no_tab_space_error")
syn match javaSpaceError " \+\t"me=e-1
endif
endif
exec 'syn match javaUserLabel "^\s*\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!\s*:"he=e-1'
syn region javaLabelRegion transparent matchgroup=javaLabel start="\<case\>" matchgroup=NONE end=":\|->" contains=javaLabelCastType,javaLabelNumber,javaCharacter,javaString,javaConstant,@javaClasses,javaLabelDefault,javaLabelVarType,javaLabelWhenClause
syn region javaLabelRegion transparent matchgroup=javaLabel start="\<default\>\%(\s*\%(:\|->\)\)\@=" matchgroup=NONE end=":\|->" oneline
" Consider grouped _default_ _case_ labels, i.e.
" case null, default ->
" case null: default:
syn keyword javaLabelDefault contained default
syn keyword javaLabelVarType contained var
syn keyword javaLabelCastType contained char byte short int
" Allow for the contingency of the enclosing region not being able to
" _keep_ its _end_, e.g. case ':':.
syn region javaLabelWhenClause contained transparent matchgroup=javaLabel start="\<when\>" matchgroup=NONE end=":"me=e-1 end="->"me=e-2 contains=TOP,javaExternal
syn match javaLabelNumber contained "\<0\>[lL]\@!"
syn match javaLabelNumber contained "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)\>[lL]\@!"
hi def link javaLabelDefault javaLabel
hi def link javaLabelVarType javaOperator
hi def link javaLabelNumber javaNumber
hi def link javaLabelCastType javaType
" Comments
syn keyword javaTodo contained TODO FIXME XXX
if exists("java_comment_strings")
syn region javaCommentString contained start=+"+ end=+"+ end=+$+ end=+\*/+me=s-1,he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell
syn region javaCommentString contained start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell,javaSpecialError,javaTextBlockError
syn region javaComment2String contained start=+"+ end=+$\|"+ contains=javaSpecial,javaSpecialChar,@Spell
syn match javaCommentCharacter contained "'\\[^']\{1,6\}'" contains=javaSpecialChar
syn match javaCommentCharacter contained "'\\''" contains=javaSpecialChar
syn match javaCommentCharacter contained "'[^\\]'"
syn cluster javaCommentSpecial add=javaCommentString,javaCommentCharacter,javaNumber,javaStrTempl
syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber,javaStrTempl
endif
syn region javaComment matchgroup=javaCommentStart start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaCommentError,javaSpaceError,@Spell
syn match javaCommentStar contained "^\s*\*[^/]"me=e-1
syn match javaCommentStar contained "^\s*\*$"
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=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
hi def link javaCommentMarkupTagAttr htmlArg
hi def link javaCommentString javaString
hi def link javaComment2String javaString
hi def link javaCommentCharacter javaCharacter
syn match javaCommentError contained "/\*"me=e-1 display
hi def link javaCommentError javaError
hi def link javaCommentStart javaComment
if !exists("java_ignore_javadoc") && main_syntax != 'jsp'
syntax case ignore
" Include HTML syntax coloring for Javadoc comments.
syntax include @javaHtml syntax/html.vim
unlet b:current_syntax
" HTML enables spell checking for all text that is not in a syntax
" item (:syntax spell toplevel); instead, limit spell checking to
" items matchable with syntax groups containing the @Spell cluster.
try
syntax spell default
catch /\<E390:/
call s:ReportOnce(v:exception)
endtry
syn region javaDocComment start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaCommentError,javaSpaceError,@Spell
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,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag'
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,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
syn region javaDocTags contained start="{@\%(li\%(teral\|nk\%(plain\)\=\)\|inherit[Dd]oc\|doc[rR]oot\|value\)\>" end="}"
syn match javaDocTags contained "@\%(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam
syn match javaDocParam contained "\s\S\+"
syn match javaDocTags contained "@\%(version\|author\|return\|deprecated\|serial\%(Field\|Data\)\=\)\>"
syn region javaDocSeeTag contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam
syn match javaDocSeeTagParam contained @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\%(\k\|\.\)*\%(#\k\+\%((\_[^)]*)\)\=\)\=@ contains=@javaHtml extend
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=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@' . s:ff.Peek('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
syntax case match
endif
" match the special comment /**/
syn match javaComment "/\*\*/"
" Strings and constants
syn match javaSpecialError contained "\\."
syn match javaSpecialCharError contained "[^']"
" Escape Sequences (JLS-17, §3.10.7):
syn match javaSpecialChar contained "\\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[bstnfr"'\\]\)"
syn region javaString start=+"+ end=+"+ end=+$+ contains=javaSpecialChar,javaSpecialError,@Spell
syn region javaString start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell
syn match javaTextBlockError +"""\s*"""+
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'
syn match javaCharacter "'[^']*'" contains=javaSpecialChar,javaSpecialCharError
syn match javaCharacter "'\\''" contains=javaSpecialChar
syn match javaCharacter "'[^\\]'"
" Integer literals (JLS-17, §3.10.1):
syn keyword javaNumber 0 0l 0L
syn match javaNumber "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
" Decimal floating-point literals (JLS-17, §3.10.2):
" Against "\<\d\+\>\.":
syn match javaNumber "\<\d\%(_*\d\)*\."
syn match javaNumber "\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
syn match javaNumber "\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
syn match javaNumber "\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
" Hexadecimal floating-point literals (JLS-17, §3.10.2):
syn match javaNumber "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
" Unicode characters
syn match javaSpecial "\\u\x\x\x\x"
" Method declarations (JLS-17, §8.4.3, §8.4.4, §9.4).
if exists("java_highlight_functions")
syn cluster javaFuncParams contains=javaAnnotation,@javaClasses,javaType,javaVarArg,javaComment,javaLineComment
if java_highlight_functions =~# '^indent[1-8]\=$'
let s:last = java_highlight_functions[-1 :]
let s:indent = s:last != 't' ? repeat("\x20", s:last) : "\t"
syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
" Try to not match other type members, initialiser blocks, enum
" constants (JLS-17, §8.9.1), and constructors (JLS-17, §8.1.7):
" at any _conventional_ indentation, skip over all fields with
" "[^=]*", all records with "\<record\s", and let the "*Skip*"
" definitions take care of constructor declarations and enum
" constants (with no support for @Foo(value = "bar")).
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'
" As long as package-private constructors cannot be matched with
" javaFuncDef, do not look with javaConstructorSkipDeclarator for
" them.
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'
exec 'syn match javaEnumSkipArgumentativeConstant transparent +^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\ze(+ contains=javaAnnotation'
unlet s:indent s:last
else
" This is the "style" variant (:help ft-java-syntax).
syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
" Match arbitrarily indented camelCasedName method declarations.
" Match: [@ɐ] [abstract] [<α, β>] Τʬ[<γ>][[][]] μʭʭ(/* ... */);
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'
endif
syn match javaBraces "[{}]"
endif
if exists("java_highlight_debug")
" Strings and constants
syn match javaDebugSpecial contained "\\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[bstnfr"'\\]\)"
syn region javaDebugString contained start=+"+ end=+"+ contains=javaDebugSpecial
syn region javaDebugString contained start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugSpecial,javaDebugTextBlockError
" 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'
syn match javaDebugTextBlockError contained +"""\s*"""+
syn match javaDebugCharacter contained "'[^\\]'"
syn match javaDebugSpecialCharacter contained "'\\.'"
syn match javaDebugSpecialCharacter contained "'\\''"
syn keyword javaDebugNumber contained 0 0l 0L
syn match javaDebugNumber contained "\<\d\%(_*\d\)*\."
syn match javaDebugNumber contained "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
syn match javaDebugNumber contained "\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
syn match javaDebugNumber contained "\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
syn match javaDebugNumber contained "\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
syn match javaDebugNumber contained "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
syn keyword javaDebugBoolean contained true false
syn keyword javaDebugType contained null this super
syn region javaDebugParen start=+(+ end=+)+ contained contains=javaDebug.*,javaDebugParen
" To make this work, define the highlighting for these groups.
syn match javaDebug "\<System\.\%(out\|err\)\.print\%(ln\)\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
" FIXME: What API does "p" belong to?
" syn match javaDebug "\<p\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
syn match javaDebug "\<\K\k*\.printStackTrace\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
" FIXME: What API do "trace*" belong to?
" syn match javaDebug "\<trace[SL]\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
hi def link javaDebug Debug
hi def link javaDebugString DebugString
hi def link javaDebugStrTempl Macro
hi def link javaDebugTextBlockError Error
hi def link javaDebugType DebugType
hi def link javaDebugBoolean DebugBoolean
hi def link javaDebugNumber Debug
hi def link javaDebugSpecial DebugSpecial
hi def link javaDebugSpecialCharacter DebugSpecial
hi def link javaDebugCharacter DebugString
hi def link javaDebugParen Debug
hi def link DebugString String
hi def link DebugSpecial Special
hi def link DebugBoolean Boolean
hi def link DebugType Type
endif
if exists("java_mark_braces_in_parens_as_errors")
syn match javaInParen contained "[{}]"
hi def link javaInParen javaError
endif
" catch errors caused by wrong parenthesis
syn region javaParenT transparent matchgroup=javaParen start="(" end=")" contains=@javaTop,javaParenT1
syn region javaParenT1 transparent matchgroup=javaParen1 start="(" end=")" contains=@javaTop,javaParenT2 contained
syn region javaParenT2 transparent matchgroup=javaParen2 start="(" end=")" contains=@javaTop,javaParenT contained
syn match javaParenError ")"
" catch errors caused by wrong square parenthesis
syn region javaParenT transparent matchgroup=javaParen start="\[" end="\]" contains=@javaTop,javaParenT1
syn region javaParenT1 transparent matchgroup=javaParen1 start="\[" end="\]" contains=@javaTop,javaParenT2 contained
syn region javaParenT2 transparent matchgroup=javaParen2 start="\[" end="\]" contains=@javaTop,javaParenT contained
syn match javaParenError "\]"
hi def link javaParenError javaError
" Lambda expressions (JLS-17, §15.27).
if exists("java_highlight_functions")
" Make ()-matching definitions after the parenthesis error catcher.
"
" Match: ([@A [@B ...] final] var a[, var b, ...]) ->
" | ([@A [@B ...] final] T[<α>][[][]] a[, T b, ...]) ->
" There is no recognition of expressions interspersed with comments
" or of expressions whose parameterised parameter types are written
" across multiple lines.
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,javaVarArg'
" Match: () ->
" | (a[, b, ...]) ->
exec 'syn match javaLambdaDef "\k\@' . s:ff.Peek('4', '') . '<!([[:space:]\n]*\%(\<\K\k*\>\%(,[[:space:]\n]*\)\=\)*)[[:space:]\n]*->"'
" Match: a ->
exec 'syn match javaLambdaDef "\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<![[:space:]\n]*->"'
syn keyword javaParamModifier contained final
hi def link javaParamModifier javaConceptKind
syn keyword javaLambdaVarType contained var
hi def link javaLambdaVarType javaOperator
endif
" The @javaTop cluster comprises non-contained Java syntax groups.
" Note that the syntax file "aidl.vim" relies on its availability.
syn cluster javaTop contains=TOP,javaDocComment,javaFold,javaParenError,javaParenT
if !exists("java_minlines")
let java_minlines = 10
endif
" Note that variations of a /*/ balanced comment, e.g., /*/*/, /*//*/,
" /* /*/, /* /*/, etc., may have their rightmost /*/ part accepted
" as a comment start by ':syntax sync ccomment'; consider alternatives
" to make synchronisation start further towards file's beginning by
" bumping up g:java_minlines or issuing ':syntax sync fromstart' or
" preferring &foldmethod set to 'syntax'.
exec "syn sync ccomment javaComment minlines=" . java_minlines
" The default highlighting.
hi def link javaLambdaDef Function
hi def link javaFuncDef Function
hi def link javaVarArg Function
hi def link javaBraces Function
hi def link javaBranch Conditional
hi def link javaUserLabelRef javaUserLabel
hi def link javaLabel Label
hi def link javaUserLabel Label
hi def link javaConditional Conditional
hi def link javaRepeat Repeat
hi def link javaExceptions Exception
hi def link javaAssert Statement
hi def link javaStorageClass StorageClass
hi def link javaMethodDecl javaStorageClass
hi def link javaClassDecl javaStorageClass
hi def link javaScopeDecl javaStorageClass
hi def link javaConceptKind NonText
hi def link javaBoolean Boolean
hi def link javaSpecial Special
hi def link javaSpecialError Error
hi def link javaSpecialCharError Error
hi def link javaString String
hi def link javaStrTempl Macro
hi def link javaCharacter Character
hi def link javaSpecialChar SpecialChar
hi def link javaNumber Number
hi def link javaError Error
hi def link javaTextBlockError Error
hi def link javaStatement Statement
hi def link javaOperator Operator
hi def link javaComment Comment
hi def link javaDocComment Comment
hi def link javaLineComment Comment
hi def link javaConstant Constant
hi def link javaTypedef Typedef
hi def link javaTodo Todo
hi def link javaAnnotation PreProc
hi def link javaCommentTitle SpecialComment
hi def link javaDocTags Special
hi def link javaDocCodeTag Special
hi def link javaDocSnippetTag Special
hi def link javaDocParam Function
hi def link javaDocSeeTagParam Function
hi def link javaCommentStar javaComment
hi def link javaType Type
hi def link javaExternal Include
hi def link htmlComment Special
hi def link htmlCommentPart Special
hi def link htmlArg Type
hi def link htmlString String
hi def link javaSpaceError Error
if s:module_info_cur_buf
hi def link javaModuleStorageClass StorageClass
hi def link javaModuleStmt Statement
hi def link javaModuleExternal Include
endif
let b:current_syntax = "java"
if main_syntax == 'java'
unlet main_syntax
endif
let b:spell_options = "contained"
let &cpo = s:cpo_save
unlet s:module_info_cur_buf s:ff s:cpo_save
" vim: sw=2 ts=8 noet sta