It defines the operations for obtaining compilation text spans, lines, and images of elements. The child package Asis. Ids provides a mechanism to efficiently reference ASIS elements in a persistent manner. To support portability amongst a variety of implementors' compilation environments, certain types and constants have been identified as implementation-defined. The child package Asis.
Errors defines the kinds of errors.
The exceptions that can be raised across the ASIS interface are defined in the child package Asis. Last update 17 August 1998.