Specialized Needs Annexes (GNAT Reference Manual)

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14 Specialized Needs Annexes ¶

Ada 95, Ada 2005, Ada 2012, and Ada 2022 define a number of Specialized Needs Annexes, which are not required in all implementations. However, as described in this chapter, GNAT implements all of these annexes:

‘Systems Programming (Annex C)’: The Systems Programming Annex is fully implemented.
‘Real-Time Systems (Annex D)’: The Real-Time Systems Annex is fully implemented.
‘Distributed Systems (Annex E)’: Stub generation is fully implemented in the GNAT compiler. In addition, a complete compatible PCS is available as part of PolyORB, a separate product. ‘NB!’ See the note in PolyORB regarding the lifetime of this product.
‘Information Systems (Annex F)’: The Information Systems annex is fully implemented.
‘Numerics (Annex G)’: The Numerics Annex is fully implemented.
‘Safety and Security / High-Integrity Systems (Annex H)’: The Safety and Security Annex (termed the High-Integrity Systems Annex in Ada 2005) is fully implemented.