[m-dev.] fix for bytecode generator

[Fergus Henderson]

Bert Thompson, you wrote:
> 
> Is it possible to avoid the test "FunctorList = [Char]"  by changing
> the declaration of sym_name prog_data.m to:
> 
> :- type sym_name 	---->	unqualified(string)	% Can remove?
> 			;	qualified(module_specifier, string)
> 			;	char_const(char).	% Added

The answer to your question "Can remove?" is no.

You'd have to have two different types, `sym_name' and
`fully_qualified_sym_name'.  But this would cause severe difficulty,
because the same data structure may be unqualified or fully qualified
depending on what stage of compilation you're up to.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3         |     -- the last words of T. S. Garp.