VisualAge Generator to Enterprise Generation Language Migration Guide

Unnamed variable fields

VisualAge Generator: VisualAge Generator permits, but does not recommend, unnamed variable fields on a map. At generation time, unnamed variable fields are converted into constants. Programs and functions can never reference the unnamed variable field.

EGL: EGL does not permit unnamed variable fields on a form.

Associated part needed for migration: Not applicable.

Figure 27. Unnamed variable fields

Migrating with the associated part Migrating without the associated part
For any unnamed variable fields on the map, the migration tool checks to see if any of the following are specified:
  • Initial value
  • Protect = yes
  • Cursor = yes
  • Outlining other than "No outlining"
  • Highlighting other than "No highlighting"

If any of the above are specified, the migration tool creates a constant field with the corresponding EGL properties and issues a warning message.

The migration tool does the same thing as mentioned in the Migrating with the associated part column.

If none of the properties are specified for the unnamed variable field, the migration tool does the following:

  • Does not create a constant field on the form.
  • Issues a warning message.

The migration tool does the same thing as mentioned in the Migrating with the associated part column.

Potential Problems: None. You could not reference the field in VisualAge Generator.

Potential Problems: None.


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