RE: [Axiom-developer] string.spad

[Weiss, Juergen]

I think I had the same problem at the beginning with the compiler. 
There must be an email in the mail archive. Problem is that the parser
macro expands the "left hand side" of macro definitions. One could
consider this a bug.

Juergen Weiss

Juergen Weiss     | Universitaet Mainz, Zentrum fuer Datenverarbeitung,
address@hidden| 55099 Mainz, Tel: +49(6131)39-26361, FAX:
+49(6131)39-26407


> -----Original Message-----
> From: root [mailto:address@hidden 
> Sent: Thursday, August 21, 2003 3:38 AM
> To: address@hidden
> Subject: [Axiom-developer] string.spad
> 
> 
> One of the steps I took to break cycles in the algebra involved 
> creating a separate file for each domain. Some spad files
> contain several domains. 
> 
> Developers of algebra code have many styles. Some created macros
> that only exist at the top of a spad file while others placed
> macros at the start of each domain. 
> 
> The scope of a macro such as:
> 
> MINSTRINGINDEX ==> 1
> 
> is the whole file. When I broke the domains into separate files
> I was careful to ensure that each "small" domain got a copy of
> the macros included in the DOMAIN.spad file. That is the correct
> behavior.
> 
> However, the side-effect of that copy changed the original source
> code of the "big" spad file. So, for example, string.spad contains
> 5 domains (CHAR, CCLASS, ISTRING, STRICAT, and STRING). In the
> original file the macro
> 
> MINSTRINGINDEX ==> 1
> 
> appears once. This was copied so it appears in each chunk and thus
> in each domain. Compiling CHAR.spad, or STRING.spad sees only one
> copy. However, when the whole string.spad file is extracted it
> contains 5 copies of the macro.
> 
> The spad compiler gets a value stack overflow if you try to compile
> string.spad. I don't yet know the cure. 
> 
> Tim
> address@hidden
> address@hidden
> 
> 
> _______________________________________________
> Axiom-developer mailing list
> address@hidden
> http://mail.nongnu.org/mailman/listinfo/axiom-developer
>