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Status Delivered
Workspace IBM i
Categories Languages - CL (Control Language)
Created by Guest
Created on Jan 31, 2018

RELATED IDEAS

Checking for Optional Parameters in CLLE

Now that we have %ADDR and the *NULL keyword in CL/ILE, it would be awfully, awfully nice (for cross-language consistency) that since we have %PARMS, %PARMNUM, and the *BLANKS and *ZEROS keywords in RPG/ILE, that we could also have the same in CL/ILE.

There are a couple of other RFE's in this area (one even from me):

https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=102487
https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=103104

However, they don't go far enough for the full functionality I am requesting with this latest RFE.


Use Case:

I can check for optional parameters as follows in RPG/ILE:

if %parms() < %parmnum(OptRun) // if parm not passed
or %addr(OptRun) = *null // or parm was omitted
or OptRun <= *blanks; // or parm is blank
else; // keep default, else
RunOpt = OptRun; // replace default
endif;

I should be able to do exactly the same in CL/ILE -- as follows:

IF COND(%PARMS *LT %PARMNUM(&OPTRUN) +
*OR %ADDR(&OPTRUN) *EQ *NULL +
*OR &OPTRUN *LE *BLANKS) THEN(DO) /* NOT PASSED? */
ENDDO /* OR IS BLANK */
ELSE CMD(DO) /* KEEP DFLT, ELSE */
CHGVAR VAR(&RUNOPT) VALUE(&OPTRUN) /* REPLACE DEFAULT */
ENDDO


Idea priority Medium
  • Guest
    Reply
    |     May 6, 2020

    Support of *BLANKS and *ZEROS are under consideration but with low priority, since https://jazz07.rchland.ibm.com:24443/jazz/web/projects/IBM%20i%20RFE#action=com.ibm.team.workitem.viewWorkItem&id=22639 103104: Add new function *BLANKS and *ZEROS on CLP is already for the rest part, close this one with delivered.

  • Guest
    Reply
    |     Dec 20, 2018

    The new %PARMS built-in function for ILE CL compiler by PTF SI66721 for V7R3.
    %PARMS returns the number of parameters that were passed to the program in which %PARMS is used.
    Support of *BLANKS and *ZEROS are under consideration.

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