hg: valhalla/valhalla: 8221545: [lworld] Preliminary support for alternate denotation of values and boxes

Srikanth srikanth.adayapalam at oracle.com
Wed Apr 17 09:03:39 UTC 2019


Thanks Tobias,

I am on it.

Srikanth

On 17/04/19 1:39 PM, Tobias Hartmann wrote:
> Hi Srikanth,
>
> while trying to convert the JIT tests, I've noticed that some usages of ? fail to compile with
> javac. I've filed: https://bugs.openjdk.java.net/browse/JDK-8222634
>
> Thanks,
> Tobias
>
> On 16.04.19 14:09, Srikanth wrote:
>> Notes:
>>
>>      - This is the initial commit for supporting V? notation as an alternate for V.box
>>      - The old .box and .val notation is not withdrawn yet and can still be used, but we should
>> really move over to the new syntax as soon as possible.
>>      - Existing javac tests have been replicated to use the V? syntax.
>>      - VBC migration related work is not done yet.
>>      - One issue that showed up in the parser implementation is the ambiguity at the point of seeing ?
>>         in  v instanceof Type? exp: exp2; I have arranged for this to be processed as a conditional
>> rather
>>         than as denoting nullability.
>>      - On a long value type name the ? suffix does not really stand out ATM, but I guess IDE
>> colorcoding can address this issue.
>>      - There is one failing test in the langtools suite (jdk/jshell/TypeNameTest.java) I will raise a
>> follow up
>>        ticket to address this.
>>      - More testing is required and will be undertaken in the coming weeks. I request/encourage
>> testing by the interested parties too.
>>
>> Thanks!
>> Srikanth
>>
>> On 16/04/19 5:32 PM, srikanth.adayapalam at oracle.com wrote:
>>> Changeset: bf52db1ad4ea
>>> Author:    sadayapalam
>>> Date:      2019-04-16 17:31 +0530
>>> URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/bf52db1ad4ea
>>>
>>> 8221545: [lworld] Preliminary support for alternate denotation of values and boxes
>>>
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/AttrContext.java
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Resolve.java
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeCopier.java
>>> ! test/langtools/tools/javac/valhalla/lworld-values/BogusIncompatibility.java
>>> + test/langtools/tools/javac/valhalla/lworld-values/BoxValCastTest2.java
>>> + test/langtools/tools/javac/valhalla/lworld-values/GenericsWithQuestion.java
>>> + test/langtools/tools/javac/valhalla/lworld-values/GenericsWithQuestion.out
>>> ! test/langtools/tools/javac/valhalla/lworld-values/InnerClassAttributeValuenessTest.java
>>> + test/langtools/tools/javac/valhalla/lworld-values/IntercastTest2.java
>>> + test/langtools/tools/javac/valhalla/lworld-values/LookupOnLoxTest2.java
>>> ! test/langtools/tools/javac/valhalla/lworld-values/Point.java
>>>




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