[M3devel] FW: initializing with subarray(constant)

[Tony Hosking]

This is on my list of things to do.  I have some idea what the fix is  
and just need to go in and do it.  Not enough time unfortunately.

On May 3, 2008, at 4:20 AM, Jay wrote:

> truncated again..
>
>
>
>
> From: jayk123 at hotmail.com
> To: m3devel at elegosoft.com
> Subject: initializing with subarray(constant)
> Date: Sat, 3 May 2008 08:11:35 +0000
>
> Anyone understand this and know how to fix?
>
> Maybe the test passes with older/forked tools?
> I'll try it with 3.6 and maybe 4.1.
>
> It's very confusing that some of the "LV" and "LValue" functions  
> take a parameter rhs : BOOLEAN.
> We end up with
> Variable.LoadLValue(p.obj) where p.obj is of type Constant.T
>
> The fix reveals understanding of the problem and makes the specific  
> case work, but I think a better fix must exist.
>
> I think it'd be quite excellent for NARROW() failures to print the  
> two types involved.
> Currently there isn't "room" for the data -- we call abort("narrow  
> failed").
> I put in some RTIO calls in IsSubtype to get a better handle on what  
> is happening.
> Maybe m3gdb shows types well?
> I'm too impatient to build it so I make do with cdb and gdb..
>
>  - Jay
>
>
>
> > Date: Sat, 3 May 2008 10:04:55 +0000
> > To: m3commit at elegosoft.com
> > From: jkrell at elego.de
> > Subject: [M3commit] CVS Update: cm3
> >
> > CVSROOT: /usr/cvs
> > Changes by: jkrell at birch. 08/05/03 10:04:55
> >
> > Modified files:
> > cm3/m3-sys/m3front/src/exprs/: QualifyExpr.m3
> > cm3/m3-sys/m3front/src/values/: Constant.i3 Constant.m3
> > cm3/m3-sys/m3tests/src/: m3makefile
> >
> > Log message:
> > enough to fix test p2/p205, but needs more attention as the fix
> > seems to be at the wrong abstraction level and not cover every case
> >
> > in particular, confusion around lvalues vs. non-lvalues
> > in particular, read the comments in QualifyExpr.m3
> >
>

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