[Info-vax] CSWS symbols

[VAXman- at SendSpamHere.ORG]

In article <49CADF2A.F8F41168 at spam.comcast.net>, David J Dachtera <djesys.no at spam.comcast.net> writes:
>ken.fairfield at gmail.com wrote:
>> 
>> On Mar 23, 3:15 pm, "jo jimbo" <joji... at sbcglobal.net> wrote:
>> > I tried that.  Show symbol remote_user works, the others don't.  Output from
>> > my
>> > cgi script is:
>> >
>> > $ show symbol remote_user
>> >   REMOTE_USER = "jgessling"
>> > $ show sym/local/all
>> >   P1 = ""
>> >   P2 = ""
>> >   P3 = ""
>> >   P4 = ""
>> >   P5 = ""
>> >   P6 = ""
>> >   P7 = ""
>> >   P8 = ""
>> > $ show sym/global/all
>> >   $RESTART == "FALSE"
>> >   $SEVERITY == "1"
>> >   $STATUS == "%X00030001"
>> >   APACHE$DCL_CMD == "@APACHE$COMMON:[PROTECTED-BIN]TEST.COM"
>> >
>> > Still confused.
>> >
>> > Jim
>> 
>> Search for the thread with the title, "Q: (long) DCL
>> symbols not appearing in Show Symbol output
>> [SLS V2.9H]" which I posted in, oh, mid-to-late 2007.
>> 
>> In the context of procedures called from SLS, I wanted
>> to know what symbols were available.  And I couldn't
>> find some I already *knew* were present with wither
>> Show Symbol/Global/All or Show Symbol/Local/All .
>> 
>> The upshot is that there is a *third* class of symbols
>> which neither of the above Show Symbol will show:
>> local symbols defined in an outer procedure.  You
>> can show global symbols, and you can show symbols
>> defined local to your own procedure, but you can't
>> show (/all) symbols local to another procedure.  If
>> you already know one of these in-between symbol's
>> name, then you can show it with
>> Show Symbol <the_name>, but you can't get  list
>> of them.
>> 
>> Curious, methinks, but that's the answer, such as
>> it is...
>
>You can simulate this in your terminal session...
>
>DJAS01::DDACHTERA$ sh sym x*
>  X = "ASTERISK"
>DJAS01::DDACHTERA$ x10:= slash-asterisk
>DJAS01::DDACHTERA$ sh sym x*
>  X = "ASTERISK"
>  X10 = "SLASH-ASTERISK"
>DJAS01::DDACHTERA$ @tt:
>_DJAS01::DDACHTERA$ sh sym/all
>  P1 = ""
>  P2 = ""
>  P3 = ""
>  P4 = ""
>  P5 = ""
>  P6 = ""
>  P7 = ""
>  P8 = ""
>_DJAS01::DDACHTERA$ sh sym x*
>%DCL-W-UNDSYM, undefined symbol - check validity and spelling
>_DJAS01::DDACHTERA$ sh sym x
>  X = "ASTERISK"
>_DJAS01::DDACHTERA$ sh sym x10
>  X10 = "SLASH-ASTERISK"
>_DJAS01::DDACHTERA$  Exit 
>DJAS01::DDACHTERA$ 
>
>Perhaps another item "that DEC forgot":
>$ SHOW SYMBOL/ACCESSIBLE	! Display "local" symbols belonging to
>$				! proc depths shallower than current
>
>D.J.D.

Local symbols are accessible at their procedural level.  I suggested my
SYMBOL utility previously.  With SYMBOL, one can see all symbols at all
sub-procedural levels -- even in another process!  It's a great DCL de-
bug tool.

-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

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