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runtime(java): Recognise non-ASCII identifiers (#14543)

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* runtime(java): Recognise non-ASCII identifiers

Also:

- Remove the already commented out and less general in its
  definition javaFuncDef alternative.

- Stop recognising some bespoke {p,trace} debugging API.

Non-ASCII identifiers have been supported from the outset
of the Java language.

> An _identifier_ is an unlimited-length sequence of _Java
> letters_ and _Java digits_, the first of which must be a
> Java letter.  An identifier cannot have the same spelling
> (Unicode character sequence) as a keyword . . . Boolean
> literal . . . or the null literal . . .
> . . . . . . . .
> Letters and digits may be drawn from the entire Unicode
> character set . . .
> . . . . . . . .
> A Java letter is a character for which the method
> Character.isJavaLetter . . . returns true.  A Java
> letter-or-digit is a character for which the method
> Character.isJavaLetterOrDigit . . . returns true.
> . . . . . . . .
> The Java letters include . . . for historical reasons, the
> ASCII underscore (_) . . . and dollar sign ($) . . .

(Separate syntax tests will be written when particular parts
now touched will have been further improved.)

Reference:
https://javaalmanac.io/jdk/1.0/langspec.pdf [§3.8]

* Take on the maintenance of Java filetype and syntax files


Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Aliaksei Budavei
2024-04-14 19:57:00 +03:00
committed by GitHub
parent 05aacec6ab
commit 4052474a1b
3 changed files with 37 additions and 28 deletions
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@ -156,6 +156,7 @@ runtime/ftplugin/icon.vim @dkearns
runtime/ftplugin/indent.vim @dkearns
runtime/ftplugin/ishd.vim @dkearns
runtime/ftplugin/j.vim @glts
runtime/ftplugin/java.vim @zzzyxwvut
runtime/ftplugin/javascript.vim @dkearns
runtime/ftplugin/javascriptreact.vim @dkearns
runtime/ftplugin/json.vim @dbarnett
@ -397,7 +398,7 @@ runtime/syntax/icon.vim @dkearns
runtime/syntax/indent.vim @dkearns
runtime/syntax/j.vim @glts
runtime/syntax/jargon.vim @h3xx
runtime/syntax/java.vim @fleiner
runtime/syntax/java.vim @zzzyxwvut
runtime/syntax/javascript.vim @fleiner
runtime/syntax/jsonc.vim @izhakjakov
runtime/syntax/julia.vim @carlobaldassi