Understanding programming language concepts via operational semantics

  • Authors:
  • Cliff B. Jones

  • Affiliations:
  • School of Computing Science, University of Newcastle, UK

  • Venue:
  • Domain modeling and the duration calculus
  • Year:
  • 2007

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Abstract

The origins of "formal methods" lie partly in language description (although applications of methods like VDM, RAISE or B to areas other than programming languages are probably more widely known). This paper revisits the language description task but uses operational (rather than denotational) semantics to illustrate that the crucial idea is thinking about an abstract model of something that one is trying to understand or design. A "story" is told which links together some of the more important concepts in programming languages and thus illustrates how formal semantics deepens our understanding.