7.9 CALL

Note: Usage options

The CALL command is used to invoke a 3GL program or process or function and optionally pass parameters, data structures and lists into it.  The CALL command can also be used in WAM Components to invoke other WEBROUTINEs in the same WAM Component or other WAM Components.

Portability Considerations

See Parameters PARM and PGM and Specifying File Names in I/O Commands.

Also See

7.9.1 CALL Parameters

7.9.2 CALL Comments / Warnings

7.9.3 CALL Examples

                                                         Optional

 

  CALL --------- PGM ---------- *NONE ----------------------->

                                pgm name

                                pgm name . *LIBL

                                pgm name . library name

 

             >-- PROCESS ------ *NONE ----------------------->

                                *DIRECT

                                process name

 

             >-- FUNCTION ----- *MENU ----------------------->

                                function name

 

             >-- WEBROUTINE --- webroutine name ------------->

                                *SERVICE service name

                                *EVALUATE field name

 

             >-- ONENTRY ------ *MAP_NONE ------------------->

                                *MAP_ALL

                                *MAP_LOCAL

                                *MAP_SHARED

 

             >-- ONEXIT ------- *MAP_NONE ------------------->

                                *MAP_ALL

                                *MAP_LOCAL

                                *MAP_SHARED

 

             >-- PARM --------- list of parameters ---------->

                             |  expandable group expression  |

                              ------- 20 maximum ------------ 

 

             >-- EXIT_USED ---- *EXIT ----------------------->

                                *MENU

                                *NEXT

                                *RETURN

                                label

 

             >-- MENU_USED ---- *MENU ----------------------->

                                *EXIT

                                *NEXT

                                *RETURN

                                label

 

             >-- NUM_LEN ------ *ALL15 ---------------------->

                                *DEFINED

 

             >-- PGM_EXCH ----- *NO ------------------------->

                                *YES

 

             >-- IF_ERROR ----- *ABORT ---------------------->

                                *NEXT

                                *RETURN

                                label

 

             >-- PASS_DS ------ data structure names -------->

                                |                   |

                                 ------ 20 max -----

 

             >-- PASS_LST ----- working list names -------------|

                                |                   |

                                 ------ 20 max -----