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vim-patch:50423ab: runtime(java): Optionally recognise _module_ import declarations

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Define "g:java_syntax_previews" and include number 476 in
its list to enable this recognition:
------------------------------------------------------------
        let g:java_syntax_previews = [476]
------------------------------------------------------------

Reference:
https://openjdk.org/jeps/476

closes: vim/vim#15709

50423ab808

Co-authored-by: Aliaksei Budavei <0x000c70@gmail.com>
This commit is contained in:
Christian Clason 2024-09-21 10:26:54 +02:00
parent cd230be918
commit 059a9e6254
2 changed files with 10 additions and 2 deletions
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3
runtime/doc/syntax.txt
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@ -1704,11 +1704,12 @@ cycles for such a feature to become either integrated into the platform or
withdrawn from this effort. To cater for early adopters, there is optional
support in Vim for syntax related preview features that are implemented. You
can request it by specifying a list of preview feature numbers as follows: >
:let g:java_syntax_previews = [455]
:let g:java_syntax_previews = [455, 476]
The supported JEP numbers are to be drawn from this table:
`430`: String Templates [JDK 21]
`455`: Primitive types in Patterns, instanceof, and switch
`476`: Module Import Declarations
Note that as soon as the particular preview feature will have been integrated
into the Java platform, its entry will be removed from the table and related

9
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 Sep 18
" Last Change: 2024 Sep 19
" Please check :help java.vim for comments on some of the options available.
@ -92,6 +92,13 @@ syn keyword javaTypedef this super
syn keyword javaOperator new instanceof
syn match javaOperator "\<var\>\%(\s*(\)\@!"
if s:ff.IsRequestedPreviewFeature(476)
" Module imports can be used in any source file.
syn match javaExternal "\<import\s\+module\>" contains=javaModuleImport
syn keyword javaModuleImport contained module
hi def link javaModuleImport Statement
endif
" 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