Generation and Implementation: An Introduction › What Happens During Generation and Compilation?

What Happens During Generation and Compilation?

The CA 2E generators allow you to generate CA 2E designs in the HLL you choose: COBOL, RPG, or both.

You can generate source for a CA 2E access path or function interactively or in batch (see the Performance Considerations section in this chapter). The CA 2E generators:

• Produce source from the design that you defined in your CA 2E design model.
• Maintain linkages between files, fields, functions, panels, and reports.
• Preserve the integrity of CA 2E database objects.

The type of source generated depends on the object type for which you issue a request for generation. The object types include:

• Access path—Produces DDS or SQL for the access path
• Function—Produces:
  • HLL program source for external functions, which can include embedded SQL data manipulation language (DML) statements.
  • Device file DDS for device functions.
  • Help text for interactive functions (TM or UIM).
• Field reference file—If used, produces DDS for the field reference file

When you submit a request for generation/compilation, the CA 2E generator automatically does the following:

• The member names to be generated are placed in a job list.CA 2E maintains the list during generation and compilation. You can review the list for the status of each item throughout the process, as well as edit the list.
• Source is produced and placed in the appropriate source file in the generation library, according to the object type and HLL that you have chosen. You can name these source files on the Edit Generation Types panel.

  You can override the library for source generation on the Submit Model Create (YSBMMDLCRT) command or by changing the model profile of the user submitting the request.

• The generated source is compiled from the source file according to the object type or HLL that you have chosen.

The following diagram summarizes this process: