" Vim syntax file " Language: Java " Maintainer: Claudio Fleiner " URL: https://github.com/fleiner/vim/blob/master/runtime/syntax/java.vim " Last Change: 2024 Mar 06 " 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 " 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 " keyword definitions syn keyword javaExternal native package syn match javaExternal "\\(\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 var new instanceof " 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. syn match javaOperator "\%(\%(::\|\.\)[[:space:]\n]*\)\@80" 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 final strictfp serializable syn keyword javaExceptions throw try catch finally syn keyword javaAssert assert syn keyword javaMethodDecl synchronized throws syn keyword javaClassDecl extends implements interface " to differentiate the keyword class from MyClass.class we use a match here syn match javaTypedef "\.\s*\"ms=s+1 syn keyword javaClassDecl enum syn match javaClassDecl "^class\>" syn match javaClassDecl "[^.]\s*\"ms=s+1 syn match javaAnnotation "@\([_$a-zA-Z][_$a-zA-Z0-9]*\.\)*[_$a-zA-Z][_$a-zA-Z0-9]*\>" contains=javaString 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 abstract syn match javaConceptKind "\\%(\s*\%(:\|->\)\)\@!" function s:isModuleInfoDeclarationCurrentBuffer() abort return fnamemodify(bufname("%"), ":t") =~ '^module-info\%(\.class\>\)\@!' endfunction " Java Modules(Since Java 9, for "module-info.java" file) if s:isModuleInfoDeclarationCurrentBuffer() syn keyword javaModuleStorageClass module transitive syn keyword javaModuleStmt open requires exports opens uses provides syn keyword javaModuleExternal to with syn cluster javaTop add=javaModuleStorageClass,javaModuleStmt,javaModuleExternal 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 syn cluster javaTop add=javaR_JavaLang syn cluster javaClasses add=javaR_JavaLang hi def link javaR_JavaLang javaR_Java " Member enumerations: syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" " Member classes: syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" syn match javaC_JavaLang "\%(\" 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 "\" " See javaDebug. syn cluster javaTop add=javaC_JavaLang 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 javaTop add=javaE_JavaLang 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 javaTop add=javaX_JavaLang 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 syn cluster javaTop add=javaLangObject endif if filereadable(expand(":p:h")."/javaid.vim") source :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 syn match javaUserLabel "^\s*\<\K\k*\>\%(\\)\@" matchgroup=NONE end=":\|->" contains=javaLabelCastType,javaLabelNumber,javaCharacter,javaString,javaConstant,@javaClasses,javaLabelDefault,javaLabelVarType,javaLabelWhenClause syn region javaLabelRegion transparent matchgroup=javaLabel start="\\%(\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="\" 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 " highlighting C++ keywords as errors removed, too many people find it " annoying. Was: if !exists("java_allow_cpp_keywords") " The following cluster contains all java groups except the contained ones syn cluster javaTop add=javaExternal,javaError,javaBranch,javaLabelRegion,javaConditional,javaRepeat,javaBoolean,javaConstant,javaTypedef,javaOperator,javaType,javaStatement,javaStorageClass,javaAssert,javaExceptions,javaMethodDecl,javaClassDecl,javaScopeDecl,javaConceptKind,javaError2,javaUserLabel,javaLangObject,javaAnnotation,javaVarArg " 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=+$\|"+ contains=javaSpecial,javaSpecialChar,@Spell syn match javaCommentCharacter contained "'\\[^']\{1,6\}'" contains=javaSpecialChar syn match javaCommentCharacter contained "'\\''" contains=javaSpecialChar syn match javaCommentCharacter contained "'[^\\]'" syn cluster javaCommentSpecial add=javaCommentString,javaCommentCharacter,javaNumber,javaStrTempl syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber,javaStrTempl endif syn region javaComment start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,@Spell syn match javaCommentStar contained "^\s*\*[^/]"me=e-1 syn match javaCommentStar contained "^\s*\*$" syn match javaLineComment "//.*" contains=@javaCommentSpecial2,javaTodo,@Spell hi def link javaCommentString javaString hi def link javaComment2String javaString hi def link javaCommentCharacter javaCharacter syn cluster javaTop add=javaComment,javaLineComment if !exists("java_ignore_javadoc") && main_syntax != 'jsp' syntax case ignore " syntax coloring for javadoc comments (HTML) syntax include @javaHtml syntax/html.vim unlet b:current_syntax " HTML enables spell checking for all text that is not in a syntax item. This " is wrong for Java (all identifiers would be spell-checked), so it's undone " here. syntax spell default syn region javaDocComment start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaTodo,@Spell syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle keepend end="\.$" end="\.[ \t\r<&]"me=e-1 end="[^{]@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,@Spell,javaDocTags,javaDocSeeTag syn region javaDocTags contained start="{@\(code\|link\|linkplain\|inherit[Dd]oc\|doc[rR]oot\|value\)" end="}" syn match javaDocTags contained "@\(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam syn match javaDocParam contained "\s\S\+" syn match javaDocTags contained "@\(version\|author\|return\|deprecated\|serial\|serialField\|serialData\)\>" syn region javaDocSeeTag contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam syn match javaDocSeeTagParam contained @"\_[^"]\+"\|\|\(\k\|\.\)*\(#\k\+\((\_[^)]\+)\)\=\)\=@ extend 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 syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell " The next line is commented out, it can cause a crash for a long line "syn match javaStringError +"\%([^"\\]\|\\.\)*$+ 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" syn cluster javaTop add=javaString,javaStrTempl,javaCharacter,javaNumber,javaSpecial,javaStringError,javaTextBlockError if exists("java_highlight_functions") if java_highlight_functions == "indent" syn match javaFuncDef "^\(\t\| \{8\}\)[_$a-zA-Z][_$a-zA-Z0-9_. \[\]<>]*([^-+*/]*)" contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation syn region javaFuncDef start=+^\(\t\| \{8\}\)[$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*,\s*+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation syn match javaFuncDef "^ [$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*)" contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation syn region javaFuncDef start=+^ [$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*,\s*+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation else " This line catches method declarations at any indentation>0, but it assumes " two things: " 1. class names are always capitalized (ie: Button) " 2. method names are never capitalized (except constructors, of course) "syn region javaFuncDef start=+^\s\+\(\(public\|protected\|private\|static\|abstract\|final\|native\|synchronized\)\s\+\)*\(\(void\|boolean\|char\|byte\|short\|int\|long\|float\|double\|\([A-Za-z_][A-Za-z0-9_$]*\.\)*[A-Z][A-Za-z0-9_$]*\)\(<[^>]*>\)\=\(\[\]\)*\s\+[a-z][A-Za-z0-9_$]*\|[A-Z][A-Za-z0-9_$]*\)\s*([^0-9]+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,javaComment,javaLineComment,@javaClasses syn region javaFuncDef start=+^\s\+\%(\%(public\|protected\|private\|static\|\%(abstract\|default\)\|final\|native\|synchronized\)\s\+\)*\%(<.*>\s\+\)\?\%(\%(void\|boolean\|char\|byte\|short\|int\|long\|float\|double\|\%([A-Za-z_][A-Za-z0-9_$]*\.\)*[A-Z][A-Za-z0-9_$]*\)\%(<[^(){}]*>\)\=\%(\[\]\)*\s\+[a-z][A-Za-z0-9_$]*\|[A-Z][A-Za-z0-9_$]*\)\s*(+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,javaComment,javaLineComment,@javaClasses,javaAnnotation endif syn match javaLambdaDef "\<\K\k*\>\%(\\)\@" syn match javaBraces "[{}]" syn cluster javaTop add=javaFuncDef,javaBraces,javaLambdaDef 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\)\@!.* syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError " The next line is commented out, it can cause a crash for a long line " syn match javaDebugStringError contained +"\%([^"\\]\|\\.\)*$+ 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 you must define the highlighting for these groups syn match javaDebug "\\[\], \t]*)\s*->" " needs to be defined after the parenthesis error catcher to work endif if !exists("java_minlines") let java_minlines = 10 endif 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 javaStringError Error hi def link javaTextBlockError javaStringError 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 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 javaSpaceError Error if s:isModuleInfoDeclarationCurrentBuffer() 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 delfunction! s:isModuleInfoDeclarationCurrentBuffer let b:spell_options="contained" let &cpo = s:cpo_save unlet s:cpo_save " vim: ts=8