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: #15322
References:
https://docs.oracle.com/javase/specs/jls/se21/html/jls-15.html#jls-15.13https://github.com/fleiner/vim/pull/1
Co-authored-by: D-Cysteine <54219287+D-Cysteine@users.noreply.github.com>
Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
The current implementation falls short for syntax test files
on two accounts:
1. With folded lines -- some lines before folded lines are
unnecessarily repeated in generated dump files because
closed folded lines are always treated as opened for the
cursor to move _in_ instead of to move _over_ them.
2. With wrapped lines (longer than 75 columns) -- some lines
are omitted in generated dump files because calculations
for the cursor progress and its movement commands only
refer to file lines and not their layout within a 20x75
buffer (less &cmdheight).
As an alternative, we abandon deterministic (and inaccurate
at times) calculations for the cursor progress and, instead,
advance the cursor by as much as before for a single dump
file, but now rely on marking the last visible line and
additional movement to position lines at desired offsets,
carefully preserving compatibility for the &scrolloff and
&ruler values inherited from defaults.vim. The parent Vim
process will keep track of progress through a syntax test
file made by its child process ("terminal") by reading the
rightmost end of the ruler line from the terminal buffer,
looking for " All " or " Bot " for its cue to finish dump
file generation.
With these changes applied, the lossless line length limit
will be raised from 75 to 1425 (for a 19x75 view) columns.
Also, prefer "lastline" to "truncate" for &display; hiding
the content of any last _long_ line in a view goes against
the purpose of syntax file testing -- all lines should be
recorded.
related: #15150fixes: #14245
Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Also:
- distinguish _yield_ when used as a contextual keyword from
when used qualified as a method or a method reference (as
can be seen in testdir/input/java_switch.java, variables
and method declarations named _yield_ will be recognised
as the namesake keyword--consider picking other names for
variables, and defining g:java_highlight_functions to have
method names painted; since _yield_ statements can have
trailing parens, they must be recognised as statements,
for only qualified _yield_ method calls are supported);
- recognise grouped _default_ _case_ labels;
- describe primitive types for _case_ labels (JLS, §14.11,
§3.10.1);
- recognise some non-ASCII identifiers (see javaLambdaDef,
javaUserLabel) (further improvement for better recognition
of identifiers will be arranged in a separate PR).
Because the arrow '->' is used in two kinds of expressions,
lambda (abstractions) and _switch_, necessary changes were
made for the recognition of either (and further improvement
touching lambda expressions will be separately arranged).
Because 'default' is used for instance method declarations
in interfaces and in _switch_ labels, necessary changes were
made for the recognition of either (and further improvement
touching method declarations will be separately arranged).
Finally, it deemed appropriate to put 'yield' in the syntax
group of javaOperator rather than javaStatement, for its
member 'var' is also another contextual keyword (e.g., this
is valid syntax: "var var = var(test.var);").
References:
https://openjdk.org/jeps/361 (Switch Expressions)
https://openjdk.org/jeps/440 (Record Patterns)
https://openjdk.org/jeps/441 (Pattern Matching for switch)
Also, add a Java specific filetype plugin for the syntax
test, so that no soft-wrapping of long indented lines occur.
Otherwise the syntax scripts would miss a few lines during
scrolling and verification of the screen dumps.
closes: #14105
Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
