Implementing a DSL
For the end user, using a DSL is surely easier than writing XML code. However, the developer of the DSL is now left with the task of implementing it.
Implementing a DSL means developing a program that is able to read text written in that DSL, parse it, process it, and then possibly interpret it or generate code in another language. Depending on the aim of the DSL, this may require several phases, but most of these phases are typical of all implementations.
In this section, we only sketch the main aspects of implementing a DSL. For a deeper introduction to language implementations and the theory behind, we refer the interested reader to the book Aho et al. 2007.
Note
From now on, throughout the book, we will not distinguish, unless ...
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