[Issue 199] Label causes scope to collapse into parent

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=199



--- Comment #25 from Stewart Gordon <smjg at iname.com> 2013-05-29 14:23:04 PDT ---
(In reply to comment #24)
> I propose changing the spec like this:
> 
> ScopeBlockOrNoScopeStatement:  <-- new
>     NoScopeStatement
>     ScopeBlockStatement
> 
> LabeledStatement:
>     Identifier : ScopeBlockOrNoScopeStatement  <-- use the new one

How would all this differ from, let alone be an improvement over, simply
changing LabeledStatement to

LabeledStatement:
    Identifier : Statement

?

> NoScopeStatement:
>     ;
>     NonEmptyStatement
>         <-- remove BlockStament to remove conflict with ScopeBlockStatement
> 
> That leaves the only other user of NoScopeStatement in question:
> 
> PragmaStatement:
>     Pragma NoScopeStatement

What about conditional compliation statements (debug, version, static if)? 
These are the primary reason NoScopeStatement exists in the first place.

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