Loosening requirements for super() invocation

[Archie Cobbs]

On Fri, Jan 27, 2023 at 12:16 PM Archie Cobbs <archie.cobbs at gmail.com>
wrote:

> On Thu, Jan 26, 2023 at 5:51 PM Brian Goetz <brian.goetz at oracle.com>
> wrote:
>
>> I think that's where we should start; if we are spectacularly successful,
>> we can come back for more.
>>
>
> OK thanks. Proceeding...
>

JEP is updated <https://bugs.openjdk.org/browse/JDK-8300786>. Not
surprisingly, it has gotten a good bit simpler.

Change log...

- Removed discussions of 'this' escape, try { } blocks and initialization
order
- Removed if/then example choosing between two different superclass
constructors
- Restate JLS changes

The updated JLS changes are:

1. Change the grammar for `ConstructorBody` to:

    ConstructorBody:
        { [BlockStatements] } ;
        { [BlockStatements] ExplicitConstructorInvocation [BlockStatements]
} ;

2. Specify that the BlockStatements prior to ExplicitConstructorInvocation
are in a static context (§8.1.3)

Reload & resume firing... :)

-Archie

-- 
Archie L. Cobbs
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