RE: Prototyping printf()

<snip>
The rules would be defined in the ILE environment, not in each language.
The rule triggers at the static or dynamic check.  The rule may be
deactivated if the programmer knows (or thinks they know) what they are
doing.   The rules are an externally visible attribute of each module or
program and can be extracted using an API query.
<SNIP>
Richard Jackson


Richard,Jon, Barb, et al

Could something like PCML  be used to externally define the interface
between functions?

On the Sys/38 and AS/400 I used externally defined D/S's  as a feeble
attempt to externalize the definition of the interface to function to
function call.  The interface definition was external to the programs so
each language idiosyncrasies could be mapped (like you said) by the
environment(ILE) to map character variables to Null strings an such.

Would this type of an approach be more inline with Java etc?

My parameter list in RPG would be defined externally like I was trying to
do with Ext. D/S's with default values,etc  abeit with limited success.
BTW, this is why I pushed a long time ago for having subfields of an ext.
desc D/S initialized from the DDS default values so they could be defined
external to the programs.

John Carr



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