Hello,

On Wed, 22 Jan 2025, Martin Uecker wrote:

> > You need to decide which is which after seeing the ".".  I'm guessing what 
> > you mean is that on seeing ".ident" as first two tokens inside in 
> > initializer-list you go the designator route, and not the 
> > initializer/assignment-expression route, even though the latter can now 
> > also start with ".ident".  
> 
> What I mean is that after parsing the dot followed by an identifier x, 
> if x is the name of a member of the structure S which is being initialized,
> it is  a designator, otherwise it is an expression that uses .x to refer
> to some member of an enclosing definition.

So, as I guessed.

> So you do not need to look further.  But maybe I am missing something 
> else.

Like ...

> > Note further that you may have '{ .y[1][3].z }', which is still not a 
> > designation, but an expression under your proposal, whereas
> > '{ .y[1][3].z = 1 }' would remain a designation.  This shows that you 
> > now need arbitrary look-ahead to disambiguate the two.  A Very Bad Idea.

... this?


Ciao,
Michael.

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