Title: Hyper-Code Revisited: Unifying Program Source, Executable and Data

Type: Book Section

Citation:

Zirintsis, E, Kirby, GNC, Morrison, R. In: Lecture Notes in Computer Science 2135, Kirby, GNC, Dearle, A, Sjøberg, D (eds), Proc. 9th International Workshop on Persistent Object Systems, Lillehammer, Norway, 2000 (POS9), pp 232-246. Springer, ISBN 3-540-42735-X. 2001.

Abstract:

The technique of hyper-programming allows program representations held in a persistent store to contain embedded links to persistent code and data. In 1994, Connor et al proposed extending this to hyper-code, in which program source, executable code and data are all represented to the user in exactly the same form. Here we explore the concept of hyper-code in greater detail and present a set of abstract language-independent operations on which various concrete systems can be based. These operations (explode, implode, evaluate, root and edit) are provided by a single user interface tool that subsumes the functions of both an object browser and a program editor. We then describe a particular implementation using PJama (persistent Java) and examine the impact of several language features on the resulting system.

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