Visualization of Constraint Handling Rules: Semantics and Applications

06/04/2017
by   Nada Sharaf, et al.
0

The work in the paper presents an animation extension (CHR^vis) to Constraint Handling Rules (CHR). Visualizations have always helped programmers understand data and debug programs. A picture is worth a thousand words. It can help identify where a problem is or show how something works. It can even illustrate a relation that was not clear otherwise. CHR^vis aims at embedding animation and visualization features into CHR programs. It thus enables users, while executing programs, to have such executions animated. The paper aims at providing the operational semantics for CHR^vis. The correctness of CHR^vis programs is also discussed. Some applications of the new extension are also introduced.

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