In Gabor Karsai and Eelco Visser, editors, Third International Conference on Generative Programming and Component Engineering (GPCE'04), LNCS 3286, Springer-Verlag, pages 186-205, 2004. [An earlier draft was presented at the IFL 2003 - 15th International Workshop on the Implementation of Functional Languages, 2003.]
Embedded domain specific languages (EDSLs) provide a specialised language for a particular application area while harnessing the infrastructure of an existing general purpose programming language. The reduction in implementation costs that results from this approach comes at a price: the EDSL often compiles to inefficient code since the host language's compiler only optimises at the level of host language constructs. The paper presents an approach to solving this problem based on compile-time meta-programming which retains the simplicity of the embedded approach. We use PanTHeon, our implementation of an existing EDSL for image synthesis to demonstrate the benefits and drawbacks of this approach. Furthermore, we suggest potential improvements to Template Haskell, the meta-programming framework we are using, which would greatly improve its applicability to this kind of task.
The paper is available
online from Springer
Pre-print PostScript version (revised draft) (20 pages)
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