[Oberon] [Oberon ] Active Oberon language - a question regarding scope rules
Treutwein Bernhard
Bernhard.Treutwein at Verwaltung.Uni-Muenchen.DE
Thu Nov 21 13:45:53 CET 2019
Hi Andreaas,
maybe that question would better be posted in the forum at http://cas.inf.ethz.ch/projects/a2/boards
to give it some life ...
--
Bernhard
-----Original Message-----
From: Andreas Pirklbauer <andreas_pirklbauer at yahoo.com>
Sent: Wednesday, November 20, 2019 8:08 PM
To: Oberon List <oberon at lists.inf.ethz.ch>
Subject: [Oberon] [Oberon ] Active Oberon language - a question regarding scope rules
> ETH (Active) Oberon Language Report
>
> Added by Felix Friedrich about 1 month ago
>
> Although it is work in progress, we have decided to publish the current state of the ETH
> Oberon Language Report together with the tools in the A2/Oberon repository.
>
> It can be found here: export:/trunk/LanguageReport/OberonLanguageReport.pdf
>
The above Active Oberon language reports states on p.12 (“Declaration and Scope Rules”):
“An item may be directly referenced within its scope only."
QUESTION: Does this mean that Active Oberon implements "shadowing through scope”? I.e. does an intermediate variable (such as the intermediate variable g declared in P below) block access to a global variable with the same name from within a nested scope Q?
[...]
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