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vim-patch:e73e5b8: runtime(java): Optionally highlight the :: token for method references

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This token will be highlighted, similar to the arrow of
lambda expressions, whenever "g:java_highlight_functions" is
defined.

Also:

- Improve the recognition of _switch-case_ labels
  (D-Cysteine).
- Remove insignificant empty statements in syntax test
  files.

closes: vim/vim#15322

References:
https://docs.oracle.com/javase/specs/jls/se21/html/jls-15.html#jls-15.13
https://github.com/fleiner/vim/pull/1

e73e5b889b

Co-authored-by: Aliaksei Budavei <0x000c70@gmail.com>
Co-authored-by: D-Cysteine <54219287+D-Cysteine@users.noreply.github.com>
This commit is contained in:
Christian Clason
2024-07-25 09:26:13 +02:00
parent 90d40c68dc
commit 108d2bf74b
2 changed files with 16 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
runtime/syntax/java.vim
View File

@@ -3,7 +3,7 @@
" 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 Jun 22
" Last Change: 2024 Jul 23
" Please check :help java.vim for comments on some of the options available.
@@ -260,7 +260,7 @@ if exists("java_space_errors")
endif
endif
exec 'syn match javaUserLabel "^\s*\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!\s*:"he=e-1'
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,javaGenerics,javaLabelDefault,javaLabelVarType,javaLabelWhenClause
syn region javaLabelRegion transparent matchgroup=javaLabel start="\<default\>\%(\s*\%(:\|->\)\)\@=" matchgroup=NONE end=":\|->" oneline
" Consider grouped _default_ _case_ labels, i.e.
@@ -497,8 +497,12 @@ syn match javaParenError "\]"
hi def link javaParenError javaError
" Lambda expressions (JLS-17, §15.27).
" Lambda expressions (JLS-17, §15.27) and method references (JLS-17,
" §15.13).
if exists("java_highlight_functions")
syn match javaMethodRef ":::\@!"
hi def link javaMethodRef javaFuncDef
if exists("java_highlight_signature")
let s:ff.LambdaDef = s:ff.LeftConstant
else