runtime/syntax/java.vim

" Vim syntax file
" Language:	Java
" Maintainer:	Claudio Fleiner <claudio@fleiner.com>
" URL:		http://www.fleiner.com/vim/syntax/java.vim
" Last Change:	2015 March 01

" 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

" don't use standard HiLink, it will not work with included syntax files
command! -nargs=+ JavaHiLink hi def link <args>

" some characters that cannot be in a java program (outside a string)
syn match javaError "[\\@`]"
syn match javaError "<<<\|\.\.\|=>\|||=\|&&=\|\*\/"

syn match javaOK "\.\.\."

" use separate name so that it can be deleted in javacc.vim
syn match   javaError2 "#\|=<"
JavaHiLink javaError2 javaError



" keyword definitions
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 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*\<class\>"ms=s+1
syn keyword javaClassDecl	enum
syn match   javaClassDecl	"^class\>"
syn match   javaClassDecl	"[^.]\s*\<class\>"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

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.*
  syn match javaLangClass "\<System\>"
  syn keyword javaR_JavaLang NegativeArraySizeException ArrayStoreException IllegalStateException RuntimeException IndexOutOfBoundsException UnsupportedOperationException ArrayIndexOutOfBoundsException ArithmeticException ClassCastException EnumConstantNotPresentException StringIndexOutOfBoundsException IllegalArgumentException IllegalMonitorStateException IllegalThreadStateException NumberFormatException NullPointerException TypeNotPresentException SecurityException
  syn cluster javaTop add=javaR_JavaLang
  syn cluster javaClasses add=javaR_JavaLang
  JavaHiLink javaR_JavaLang javaR_Java
  syn keyword javaC_JavaLang Process RuntimePermission StringKeySet CharacterData01 Class ThreadLocal ThreadLocalMap CharacterData0E Package Character StringCoding Long ProcessImpl ProcessEnvironment Short AssertionStatusDirectives 1PackageInfoProxy UnicodeBlock InheritableThreadLocal AbstractStringBuilder StringEnvironment ClassLoader ConditionalSpecialCasing CharacterDataPrivateUse StringBuffer StringDecoder Entry StringEntry WrappedHook StringBuilder StrictMath State ThreadGroup Runtime CharacterData02 MethodArray Object CharacterDataUndefined Integer Gate Boolean Enum Variable Subset StringEncoder Void Terminator CharsetSD IntegerCache CharacterCache Byte CharsetSE Thread SystemClassLoaderAction CharacterDataLatin1 StringValues StackTraceElement Shutdown ShortCache String ConverterSD ByteCache Lock EnclosingMethodInfo Math Float Value Double SecurityManager LongCache ProcessBuilder StringEntrySet Compiler Number UNIXProcess ConverterSE ExternalData CaseInsensitiveComparator CharacterData00 NativeLibrary
  syn cluster javaTop add=javaC_JavaLang
  syn cluster javaClasses add=javaC_JavaLang
  JavaHiLink javaC_JavaLang javaC_Java
  syn keyword javaE_JavaLang IncompatibleClassChangeError InternalError UnknownError ClassCircularityError AssertionError ThreadDeath IllegalAccessError NoClassDefFoundError ClassFormatError UnsupportedClassVersionError NoSuchFieldError VerifyError ExceptionInInitializerError InstantiationError LinkageError NoSuchMethodError Error UnsatisfiedLinkError StackOverflowError AbstractMethodError VirtualMachineError OutOfMemoryError
  syn cluster javaTop add=javaE_JavaLang
  syn cluster javaClasses add=javaE_JavaLang
  JavaHiLink javaE_JavaLang javaE_Java
  syn keyword javaX_JavaLang CloneNotSupportedException Exception NoSuchMethodException IllegalAccessException NoSuchFieldException Throwable InterruptedException ClassNotFoundException InstantiationException
  syn cluster javaTop add=javaX_JavaLang
  syn cluster javaClasses add=javaX_JavaLang
  JavaHiLink javaX_JavaLang javaX_Java

  JavaHiLink javaR_Java javaR_
  JavaHiLink javaC_Java javaC_
  JavaHiLink javaE_Java javaE_
  JavaHiLink javaX_Java javaX_
  JavaHiLink javaX_		     javaExceptions
  JavaHiLink javaR_		     javaExceptions
  JavaHiLink javaE_		     javaExceptions
  JavaHiLink javaC_		     javaConstant

  syn keyword javaLangObject clone equals finalize getClass hashCode
  syn keyword javaLangObject notify notifyAll toString wait
  JavaHiLink javaLangObject		     javaConstant
  syn cluster javaTop add=javaLangObject
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

syn region  javaLabelRegion	transparent matchgroup=javaLabel start="\<case\>" matchgroup=NONE end=":" contains=javaNumber,javaCharacter,javaString
syn match   javaUserLabel	"^\s*[_$a-zA-Z][_$a-zA-Z0-9_]*\s*:"he=e-1 contains=javaLabel
syn keyword javaLabel		default

" 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,javaError,javaBranch,javaLabelRegion,javaLabel,javaConditional,javaRepeat,javaBoolean,javaConstant,javaTypedef,javaOperator,javaType,javaType,javaStatement,javaStorageClass,javaAssert,javaExceptions,javaMethodDecl,javaClassDecl,javaClassDecl,javaClassDecl,javaScopeDecl,javaError,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=+$+ end=+\*/+me=s-1,he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell
  syn region  javaComment2String   contained start=+"+	end=+$\|"+  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
  syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber
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
JavaHiLink javaCommentString javaString
JavaHiLink javaComment2String javaString
JavaHiLink 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 <sfile>:p:h/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 @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\(\k\|\.\)*\(#\k\+\((\_[^)]\+)\)\=\)\=@ extend
  syntax case match
endif

" match the special comment /**/
syn match   javaComment		 "/\*\*/"

" Strings and constants
syn match   javaSpecialError	 contained "\\."
syn match   javaSpecialCharError contained "[^']"
syn match   javaSpecialChar	 contained "\\\([4-9]\d\|[0-3]\d\d\|[\"\\'ntbrf]\|u\x\{4\}\)"
syn region  javaString		start=+"+ end=+"+ end=+$+ contains=javaSpecialChar,javaSpecialError,@Spell
" next line disabled, 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	 "'[^\\]'"
syn match   javaNumber		 "\<\(0[bB][0-1]\+\|0[0-7]*\|0[xX]\x\+\|\d\(\d\|_\d\)*\)[lL]\=\>"
syn match   javaNumber		 "\(\<\d\(\d\|_\d\)*\.\(\d\(\d\|_\d\)*\)\=\|\.\d\(\d\|_\d\)*\)\([eE][-+]\=\d\(\d\|_\d\)*\)\=[fFdD]\="
syn match   javaNumber		 "\<\d\(\d\|_\d\)*[eE][-+]\=\d\(\d\|_\d\)*[fFdD]\=\>"
syn match   javaNumber		 "\<\d\(\d\|_\d\)*\([eE][-+]\=\d\(\d\|_\d\)*\)\=[fFdD]\>"

" unicode characters
syn match   javaSpecial "\\u\d\{4\}"

syn cluster javaTop add=javaString,javaCharacter,javaNumber,javaSpecial,javaStringError

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\+\(\(public\|protected\|private\|static\|abstract\|final\|native\|synchronized\)\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 "[a-zA-Z_][a-zA-Z0-9_]*\s*->"
  syn match  javaBraces  "[{}]"
  syn cluster javaTop add=javaFuncDef,javaBraces,javaLambdaDef
endif

if exists("java_highlight_debug")

  " Strings and constants
  syn match   javaDebugSpecial		contained "\\\d\d\d\|\\."
  syn region  javaDebugString		contained start=+"+  end=+"+  contains=javaDebugSpecial
  syn match   javaDebugStringError	+"\([^"\\]\|\\.\)*$+
  syn match   javaDebugCharacter	contained "'[^\\]'"
  syn match   javaDebugSpecialCharacter contained "'\\.'"
  syn match   javaDebugSpecialCharacter contained "'\\''"
  syn match   javaDebugNumber		contained "\<\(0[0-7]*\|0[xX]\x\+\|\d\+\)[lL]\=\>"
  syn match   javaDebugNumber		contained "\(\<\d\+\.\d*\|\.\d\+\)\([eE][-+]\=\d\+\)\=[fFdD]\="
  syn match   javaDebugNumber		contained "\<\d\+[eE][-+]\=\d\+[fFdD]\=\>"
  syn match   javaDebugNumber		contained "\<\d\+\([eE][-+]\=\d\+\)\=[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 "\<System\.\(out\|err\)\.print\(ln\)*\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
  syn match javaDebug "\<p\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
  syn match javaDebug "[A-Za-z][a-zA-Z0-9_]*\.printStackTrace\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
  syn match javaDebug "\<trace[SL]\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen

  syn cluster javaTop add=javaDebug

  JavaHiLink javaDebug		 Debug
  JavaHiLink javaDebugString		 DebugString
  JavaHiLink javaDebugStringError	 javaError
  JavaHiLink javaDebugType		 DebugType
  JavaHiLink javaDebugBoolean		 DebugBoolean
  JavaHiLink javaDebugNumber		 Debug
  JavaHiLink javaDebugSpecial		 DebugSpecial
  JavaHiLink javaDebugSpecialCharacter DebugSpecial
  JavaHiLink javaDebugCharacter	 DebugString
  JavaHiLink javaDebugParen		 Debug

  JavaHiLink DebugString		 String
  JavaHiLink DebugSpecial		 Special
  JavaHiLink DebugBoolean		 Boolean
  JavaHiLink DebugType		 Type
endif

if exists("java_mark_braces_in_parens_as_errors")
  syn match javaInParen		 contained "[{}]"
  JavaHiLink javaInParen	javaError
  syn cluster javaTop add=javaInParen
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	 "\]"

JavaHiLink javaParenError	javaError

if exists("java_highlight_functions")
   syn match javaLambdaDef "([a-zA-Z0-9_<>\[\], \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.
JavaHiLink javaLambdaDef		Function
JavaHiLink javaFuncDef		Function
JavaHiLink javaVarArg			Function
JavaHiLink javaBraces			Function
JavaHiLink javaBranch			Conditional
JavaHiLink javaUserLabelRef		javaUserLabel
JavaHiLink javaLabel			Label
JavaHiLink javaUserLabel		Label
JavaHiLink javaConditional		Conditional
JavaHiLink javaRepeat			Repeat
JavaHiLink javaExceptions		Exception
JavaHiLink javaAssert			Statement
JavaHiLink javaStorageClass		StorageClass
JavaHiLink javaMethodDecl		javaStorageClass
JavaHiLink javaClassDecl		javaStorageClass
JavaHiLink javaScopeDecl		javaStorageClass
JavaHiLink javaBoolean		Boolean
JavaHiLink javaSpecial		Special
JavaHiLink javaSpecialError		Error
JavaHiLink javaSpecialCharError	Error
JavaHiLink javaString			String
JavaHiLink javaCharacter		Character
JavaHiLink javaSpecialChar		SpecialChar
JavaHiLink javaNumber			Number
JavaHiLink javaError			Error
JavaHiLink javaStringError		Error
JavaHiLink javaStatement		Statement
JavaHiLink javaOperator		Operator
JavaHiLink javaComment		Comment
JavaHiLink javaDocComment		Comment
JavaHiLink javaLineComment		Comment
JavaHiLink javaConstant		Constant
JavaHiLink javaTypedef		Typedef
JavaHiLink javaTodo			Todo
JavaHiLink javaAnnotation		PreProc

JavaHiLink javaCommentTitle		SpecialComment
JavaHiLink javaDocTags		Special
JavaHiLink javaDocParam		Function
JavaHiLink javaDocSeeTagParam		Function
JavaHiLink javaCommentStar		javaComment

JavaHiLink javaType			Type
JavaHiLink javaExternal		Include

JavaHiLink htmlComment		Special
JavaHiLink htmlCommentPart		Special
JavaHiLink javaSpaceError		Error

delcommand JavaHiLink

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:cpo_save

" vim: ts=8