Data abstraction mechanisms in SINA/ST

  • Authors:
  • Mehmet Aksit;Anand Tripathi

  • Affiliations:
  • University of Twente, Department of Computer Science, Enschede, the Netherlands;University of Minnesota, Department of Computer Science, Minneapolis, MN

  • Venue:
  • OOPSLA '88 Conference proceedings on Object-oriented programming systems, languages and applications
  • Year:
  • 1988

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Abstract

This paper describes a new data abstraction mechanism in an object-oriented model of computing. The data abstraction mechanism described here has been devised in the context of the design of Sina/st language. In Sina/st no language constructs have been adopted for specifying inheritance or delegation, but rather, we introduce simpler mechanisms that can support a wide range of code sharing strategies without selecting one among them as a language feature. Sina/st also provides a stronger data encapsulation than most of the existing object-oriented languages. This language has been implemented on the SUN 3 workstation using Smalltalk.