July 2013
Intermediate to advanced
370 pages
8h 27m
English
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Chapter 19Creating DSLs in Groovy
Domain-specific languages (DSLs) are “targeted at a particular type of problem.”—see the reference to Martin Fowler’s discussions on DSLs in Appendix 1, Web Resources. Their syntax is focused on the intended domain or problem. We don’t use them for general-purpose programming like we use Java, Groovy, or C++, because DSLs have a very limited scope and capability.
A DSL is small, simple (it may not be simple to design, though), expressive, and focused on a problem area or domain. DSLs have two characteristics: they’re context-driven and fluent.
DSLs have been around for a long time. Chances are we’ve worked with them in applications with special keyword input files used to communicate with external applications. ...
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