hg: amber/amber: allow statements before this, super in a constructor

[Tagir Valeev]

This would be very helpful for IDE refactorings as well! Every time we need
to extract a statement from an expression, being inside this/super is
always annoying corner case. Even field initializer is better as we can
move it first to the initializer section. Thanks!

Tagir Valeev.

7 янв. 2018 г. 23:11 пользователь "Brian Goetz" <brian.goetz at oracle.com>
написал:

> Yes, this is something people have wanted for a long time. There were a
> number of historical impediments to getting there, having to do with
> verification (verifying that the super <init> is called exactly once is one
> of the nastiest bits of the verifier.)  A number of verifier issues were
> addressed over the years, that enabled us to eventually get here.
>
> And yes, this interacts nicely with records.  I'll write up the details
> soon.
>
> On 1/7/2018 7:09 AM, Remi Forax wrote:
>
>> Very cool,
>> always wanted to do that in Java,
>> i suppose it's a preparation for the 'default' call in constructor.
>>
>> Rémi
>>
>> ----- Mail original -----
>>
>>> De: "Vicente Romero" <vicente.romero at oracle.com>
>>> À: "amber-dev" <amber-dev at openjdk.java.net>
>>> Envoyé: Dimanche 7 Janvier 2018 03:48:25
>>> Objet: hg: amber/amber: allow statements before this, super in a
>>> constructor
>>> Changeset: 35b9d7ffcd88
>>> Author:    vromero
>>> Date:      2018-01-06 21:42 -0500
>>> URL:       http://hg.openjdk.java.net/amber/amber/rev/35b9d7ffcd88
>>>
>>> allow statements before this, super in a constructor
>>>
>>> ! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
>>> !
>>> src/jdk.compiler/share/classes/com/sun/tools/javac/resources
>>> /compiler.properties
>>> - test/langtools/tools/javac/diags/examples/CallMustBeFirst.java
>>> + test/langtools/tools/javac/diags/examples/OnlyOneSuper.java
>>>
>>
>