Re: OPSYN Self Execution

[Tony Harminc]

On 18 January 2013 14:54, Bodoh John Robert <john.robert.bo...@irs.gov> wrote:

> I would like to augment the DC assembler instruction in some parts of a 
> program.  I would like to collect additional information from the DC 
> instruction.  I have been playing with the OPSYN statement to redefine the DC 
> assembler instruction to invoke a macro.  The problem I'm having is to get 
> the macro to re-issue the DC assembler instruction and have it behave the way 
> it should:
>
> DC       OPSYN MYDC
>
> MYDC  MACRO
>             .
>             .
> .* collect information
>             .
>             .
>             DC       &SYSLIST         execute real DC
>             MEND
>
> When I try such an example, I get an out of memory condition.  Does anyone 
> know if a technique to cause the real DC instruction to be executed?

You need
REALDC OPSYN DC
DC    OPSYN MYDC
and then use REALDC in your MYDC macro instead of DC. You are out of
memory because your macro is recursively invoking itself.

Tony H.