JPMS Module Path question
Alex Buckley
alex.buckley at oracle.com
Wed Jun 14 19:55:33 UTC 2017
On 6/14/2017 5:59 AM, Peter Kriens wrote:
> I am trying to formally specify JPMS using Alloy.
A quick note on http://aqute.biz/2017/06/14/jpms-the-sequel.html, which
seems to have misunderstand a (now rather out of date) JLS draft.
"PackageDeclaration in a module declaration seems topsy turvy and it
does not compile. So ignoring this."
Not sure what this means. PackageDeclaration is not "in" a module
declaration. The JLS has never allowed a compilation unit that contains
both PackageDeclaration and ModuleDeclaration.
"The module name in the declaration uses a different production then the
module name in the requires. They are identical but it is sloppy."
One is a declaration of an entity (introduces a name for the entity by
specifying identifiers) and one is a use of a previously declared entity
(specifies a previously introduced name). It so happens that the
syntactic forms are the same, but it is proper to distinguish
declaration from use as has been done throughout the JLS since 1996.
Alex
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