Re: Tales of mc

[Gaius Mulley]

john o goyo <jog37@riddermarkfarm.ca> writes:

> Greetings, Gaius.
>
> Thank you for the information below. (I actually tee'd the build
> output to see the build commands.)
>
> I am able to translate and build simple modules using the empty
> m2/gm2-libs-min/SYSTEM.mod.  Trying to compile the SYSTEM in 
> m2/gm2-libs-min/SYSTEM.mod led me to a question.  I know that mc is a
> boot-strapping tool that does not translate all of Modula-2. How much 
> does it understand?

Hello John,

it translates ISO/PIM4:

   including type COMPLEX, exceptions.
   excluding local modules, long sets

I'm working on adding dynamic module initialisation for mc - a partial
implementation has been pushed - but it is still incomplete.

> For example, gcc/m2/mc/README states that local modules and (most)
> aggregates are unsupported.  However, I found that SHIFT() is not
> known to it.

it should be reasonably straightforward to implement SHIFT/ROTATE within
'mc' for long/small sets.  Once dynamic linking is working I'll move
onto full set translation,

regards,
Gaius