diff options
| -rw-r--r-- | runtime/syntax/java.vim | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim index 44fbfa8398..1b940ebd39 100644 --- a/runtime/syntax/java.vim +++ b/runtime/syntax/java.vim @@ -2,7 +2,7 @@ " Language: Java " Maintainer: Claudio Fleiner <claudio@fleiner.com> " URL: https://github.com/fleiner/vim/blob/master/runtime/syntax/java.vim -" Last Change: 2023 Aug 13 +" Last Change: 2024 Feb 27 " Please check :help java.vim for comments on some of the options available. @@ -37,9 +37,17 @@ 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, ยง3.8), 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<!\<yield\>" syn keyword javaType boolean char byte short int long float double syn keyword javaType void -syn keyword javaStatement return yield +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 @@ -56,6 +64,7 @@ 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 "\<default\>\%(\s*\%(:\|->\)\)\@!" function s:isModuleInfoDeclarationCurrentBuffer() abort return fnamemodify(bufname("%"), ":t") =~ '^module-info\%(\.class\>\)\@!' @@ -142,15 +151,30 @@ if exists("java_space_errors") 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 +syn match javaUserLabel "^\s*\<\K\k*\>\%(\<default\>\)\@<!\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 " 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,javaLabel,javaConditional,javaRepeat,javaBoolean,javaConstant,javaTypedef,javaOperator,javaType,javaStatement,javaStorageClass,javaAssert,javaExceptions,javaMethodDecl,javaClassDecl,javaScopeDecl,javaError2,javaUserLabel,javaLangObject,javaAnnotation,javaVarArg +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 @@ -231,9 +255,9 @@ if exists("java_highlight_functions") " 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 + 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 "[a-zA-Z_][a-zA-Z0-9_]*\s*->" + syn match javaLambdaDef "\<\K\k*\>\%(\<default\>\)\@<!\s*->" syn match javaBraces "[{}]" syn cluster javaTop add=javaFuncDef,javaBraces,javaLambdaDef endif @@ -326,6 +350,7 @@ 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 |