Re: [open-cobol-list] Re : CALL SYSTEM OR CALL "SYSTEM"

[Roger While]

OK. Simple update to OC default definitiions.

Bill, do you really want to accept
the  UPPER-CASE extension ?
What's wrong with LOCALE-UPPER-CASE ?
(and everthing that has either a keyowrd or a
 optional param)

In fact I object to using Cobol keywords
as params.

A language should be implemtable as a subset
of the language.


Roger


> Roger,
>   Every Standard that I know of has allowed one to pass EITHER an 01-level
> *OR* an elementary item.  What was disallowed was passing a group-item that
> wasn't an 01-level, i.e. "intermediate" group item.
>
> The '02 Standard removed this restriction (which almost no actual
> implementations previously enforced).  See the substantive change:
>
> "10) CALL argument level numbers. CALL arguments may be elementary or groups
> with any level number. Formerly, they had to be elementary or have a level
> number of 1 or 77."
>
> > -----Original Message-----
> > From: address@hidden
> > [mailto:address@hidden On
> > Behalf Of Roger While
> > Sent: Thursday, February 08, 2007 7:44 AM
> > To: address@hidden
> > Cc: address@hidden
> > Subject: [open-cobol-list] Re : CALL SYSTEM OR CALL "SYSTEM"
> >
> > Alain,
> > That's just luck.
> > Consider -
> > 01  xxx.
> >        03  mycmd pic x(2) value "ls".
> >        03 rubbish  pic x(7) value "rubbish".
> >
> > CALL "system" USING mycmd.
> >
> > Normally, one passes 01 levels to CALL's
> > (and in fact if this is not so will get flagged
> >   at compile time with default,cobol85,cobol2002 options)
> > (OC 0.33)
> > A 01 level is (implicitely) specifically generated at an assembler
> > computer boundary. There is no standard that says that
> > bytes following this (to the next data definition) have to
> > have the value NULL.
> >
> > Therefore, always use CALL "SYSTEM" or
> > you REALLY know what you are doing :-)
> > (ie. you pass a null terminated string)
> >
> > Roger
> >
> >
> >
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