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On 18-Jan-08, at 2:24 PM, midrange-l-request@xxxxxxxxxxxx wrote:
Doesn't IBM use a process they call W code that is the interface to
the
silicone? Don't all programming languages eventually have to, at some
point, write to the W Code?
"Yes" to the second part "No" to the first. W-code is the
intermediate cross platform language output by the current compilers
(i.e. the ILE ones). It is then "translated" to the silicone level
(or as close as one gets) by a hardware specific back-end.
In theory one could take the output of the RPG compiler and feed it
into the translators for AIX or Windows and get an executable from
it. In practice things are much more complicated of course because
of platform dependencies etc. No 520 on AIX! I believe this is how
the current C/C++ compiler on the System i works. It actually runs
in PASE (i.e. it is the AIX compiler) and the resulting W-code is
then passed to the translator to produce the executable.
Jon Paris
www.Partner400.com
www.SystemiDeveloper.com
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