Building domain-specific languages with Groovy

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Domain-specific languages (aka DSLs) brings their creators to the new level of abstractions power. They indulge two primary desires of each developer: to play with challenging and interesting problems and to make future tasks easier and more pleasant to work with. What usually stops everyone from implementing really nice DSL is either poorness or complexity of instruments for their creation. Groovy is modern JVM language which features makes it first choice for simple and enjoyable DSLs implementing. In this talk, we will look at the instruments that Groovy provide for DSL builders and use it for creating our own DSL. We will cover features ranging from what Groovy can suggest for standard Java developer to transform his ugly Java DSL into something acceptable in 5 minutes to advanced features like Metaobject protocol and AST transformations.

Ingenieurwesen

Building domain-specific
languages with Groovy
Yaroslav Yermilov
Senior Software Engineer, EPAM Systems

About me
Yaroslav Yermilov
Senior Software Engineer, student
https://ua.linkedin.com/pub/yaroslav-yermilov/58/682/506
https://www.facebook.com/yaroslav.yermilov
https://twitter.com/yermilov17
http://megamozg.ru/post/7256/
fond of Java, complete code, big data, data science, Groovy

A domain-specific language (DSL)
is a computer language specialized to
a particular application domain. This
is in contrast to a general-purpose
language (GPL), which is broadly
applicable across domains, and
lacks specialized features for a
particular domain.
DSL?
A domain-specific language (DSL)
is a computer language specialized to
a particular application domain. This
is in contrast to a general-purpose
language (GPL), which is broadly
applicable across domains, and
lacks specialized features for a
particular domain.
http://en.wikipedia.org/wiki/Domain-specific_language

https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl
DSL or not a DSL?
DSL
NO
Quiz!

DSL or not a DSL?
DSL
NO
Quiz!
http://stackoverflow.com/questions/1642028/what-is-the-name-of-the-operator

DSL or not a DSL?
DSL
NO
https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl
Quiz!
DSL or not a DSL?
DSL
NO

Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for
the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It
integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting
capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional
programming.
http://www.groovy-lang.org/
Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for
the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It
integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting
capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional
programming.
http://www.groovy-lang.org/
Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for
the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It
integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting
capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional
programming.
Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for
the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It
integrates smoothly with any Java program, and immediately delivers to your application powerful features, including
scripting
capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional
programming.
Groovy?

Notes:
concentrate more on possibilities
concentrate less on technical details
something is unclear - ask
want to discuss - you are welcome after the talk

Groovy existing DSLs
https://github.com/yermilov/groovy-dsl

Groovy existing DSLs
https://github.com/yermilov/groovy-dsl/tree/develop/examples/existing-dsls

Looking further
http://www.groovy-lang.org/dsls.html
http://www.groovy-lang.org/

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Building domain-specific languages with Groovy

1. Building domain-specific languages with Groovy Yaroslav Yermilov Senior Software Engineer, EPAM Systems

2. About me Yaroslav Yermilov Senior Software Engineer, student https://ua.linkedin.com/pub/yaroslav-yermilov/58/682/506 https://www.facebook.com/yaroslav.yermilov https://twitter.com/yermilov17 http://megamozg.ru/post/7256/ fond of Java, complete code, big data, data science, Groovy

3. A domain-specific language (DSL) is a computer language specialized to a particular application domain. This is in contrast to a general-purpose language (GPL), which is broadly applicable across domains, and lacks specialized features for a particular domain. DSL? A domain-specific language (DSL) is a computer language specialized to a particular application domain. This is in contrast to a general-purpose language (GPL), which is broadly applicable across domains, and lacks specialized features for a particular domain. http://en.wikipedia.org/wiki/Domain-specific_language

4. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

5. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

6. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

7. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

8. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

9. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

10. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

11. https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl DSL or not a DSL? DSL NO Quiz!

12. DSL or not a DSL? DSL NO Quiz! http://stackoverflow.com/questions/1642028/what-is-the-name-of-the-operator

13. DSL or not a DSL? DSL NO https://github.com/yermilov/groovy-dsl/tree/develop/examples/dsl-or-not-a-dsl Quiz! DSL or not a DSL? DSL NO

14. How to build DSL?

15. Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional programming. http://www.groovy-lang.org/ Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional programming. http://www.groovy-lang.org/ Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional programming. Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at multiplying developers’ productivity thanks to a concise, familiar and easy to learn syntax. It integrates smoothly with any Java program, and immediately delivers to your application powerful features, including scripting capabilities, Domain-Specific Language authoring, runtime and compile-time meta-programming and functional programming. Groovy?

16. Groovy

17. https://github.com/yermilov/groovy-dsl

18. Notes: concentrate more on possibilities concentrate less on technical details something is unclear - ask want to discuss - you are welcome after the talk

19. https://github.com/yermilov/groovy-dsl

20. https://github.com/yermilov/groovy-dsl

21. https://github.com/yermilov/groovy-dsl

22. https://github.com/yermilov/groovy-dsl

23. https://github.com/yermilov/groovy-dsl

24. https://github.com/yermilov/groovy-dsl

25. https://github.com/yermilov/groovy-dsl

26. https://github.com/yermilov/groovy-dsl

27. https://github.com/yermilov/groovy-dsl

28. Groovy existing DSLs https://github.com/yermilov/groovy-dsl

29. Groovy existing DSLs https://github.com/yermilov/groovy-dsl

30. Groovy existing DSLs https://github.com/yermilov/groovy-dsl/tree/develop/examples/existing-dsls