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A Language Extension for Controlling Access to Shared Data

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2 Author(s)
Jones, A.K. ; Department of Computer Science, Carnegie-Mellon University ; Liskov, B.H.

Controlled sharing of information is needed for many applications. Access-control mechanisms exist in operating systems to provide such controlled sharing. However, programming languages currently do not support such a facility. This paper illustrates how an access-control facility could be incorporated in a programming language. The mechanism described is suitable for incorporation in object-oriented languages that permit the definition of abstract data types, and is defmed in a way that enables compile-time checking of access control.

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Software Engineering, IEEE Transactions on  (Volume:SE-2 ,  Issue: 4 )