Domain Specific Languages - A superficial approach
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Domain Specific Languages - A superficial approach
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Domain Specific Languages - A superficial approach
- 1. DSL - Domain Specific Languages quinta-feira, 12 de dezembro de 13
- 2. * Soft ware Craftsman * Web Developer TRE-AL * Graduando Sistemas de Informação @toni_esteves quinta-feira, 12 de dezembro de 13
- 3. Domain... quinta-feira, 12 de dezembro de 13
- 4. * Visual representation of conceptual classes or objects real world... * Identify concepts related to system requirements... * It is an artifact that represents the domain of problem... * Should be independent of the physical solution... * Communication... * UML... quinta-feira, 12 de dezembro de 13
- 5. DSL... quinta-feira, 12 de dezembro de 13
- 6. “DSLs are small languages, focused on a particular aspect of a soft ware system. You can't build a full program with a DSL, but you often use multiple DSLs in a system mainly written in a general purpose language....” - Matin Fowler quinta-feira, 12 de dezembro de 13
- 7. “DSLs are small languages, focused on a particular aspect of a soft ware system. You can't build a full program with a DSL, but you often use multiple DSLs in a system mainly written in a general purpose language....” - Matin Fowler WTF ?! quinta-feira, 12 de dezembro de 13
- 8. A real aplication.... quinta-feira, 12 de dezembro de 13
- 9. quinta-feira, 12 de dezembro de 13
- 10. If you’ll design a device driver, which programming language do you choose ?! quinta-feira, 12 de dezembro de 13
- 11. Try this then, if you will build a compiler which programming language you choose ?! quinta-feira, 12 de dezembro de 13
- 12. X quinta-feira, 12 de dezembro de 13
- 13. General Purpose Languages Domain Specific Languages X quinta-feira, 12 de dezembro de 13
- 14. Communication Protocol Device Drives Games Databases Image Manipulations Mobile Agents Music Medical quinta-feira, 12 de dezembro de 13
- 15. Domain Specific Languages Communication Protocol Device Drives Games Databases Image Manipulations Mobile Agents Music Medical quinta-feira, 12 de dezembro de 13
- 16. Domain Specific Languages subroutine libraries/ API`s Component Framework / Object-Orientation Communication Protocol Device Drives Games Databases Image Manipulations Mobile Agents Music Medical quinta-feira, 12 de dezembro de 13
- 17. For example... Do you know this ?! =SOMA(D1:D5) quinta-feira, 12 de dezembro de 13
- 18. “ DSLs are very common in computing: e xample s i nclude CSS, re gul ar expressions, make, rake, ant, SQL, HQL, many bits of Rails, expectations in JMock, graphviz's dot language, FIT, strut's configuration file....” Matin Fowler quinta-feira, 12 de dezembro de 13
- 19. GUI builders can also be seen as DSLs? quinta-feira, 12 de dezembro de 13
- 20. Characteristics.... * Are usually small... * Are usually declarative... * Many DSLs are translated compiled) into calls to APIs... * Are divided into External DSL and Internal DSL... * Unambiguous... quinta-feira, 12 de dezembro de 13
- 21. Pattern Application.... Model: It`s the problem. May be a te xt ual e x pre ssion or a diagram... Plataform: Used for the execution of the problem... Integration: method to express the integration of language on the platform... quinta-feira, 12 de dezembro de 13
- 22. Pattern Application.... quinta-feira, 12 de dezembro de 13
- 23. Method of Integration... Reading: part of the platform i tse lf is de dic ate d t o t h e mastery of expressions of dsl and execution of your goals... Generation: a separate procedure is used to convert the DSL expression into something t h a t re c o g n i ze s p l a t f o r m natively... quinta-feira, 12 de dezembro de 13
- 24. Method of Integration... Craft Techniques: used when a particular model is not enough to solve the entire problem... quinta-feira, 12 de dezembro de 13
- 25. DSL types... quinta-feira, 12 de dezembro de 13
- 26. External... * Independent of a particular programming language... * Depends on the programming language... * It`s benefited by existing resources in the host language... * It`s limited by the rules of the host language restrictions... * May be readable to people who do not know anything about the language, but have experience in the field... quinta-feira, 12 de dezembro de 13
- 27. Internal... * Usually are easy to implement... * Creator of the language has the freedom to create the language the way you want... * Is necessary to create a compiler for parsing, processing syntax and mapping semantics... * Very flexible but takes time to create and maintain the compiler... quinta-feira, 12 de dezembro de 13
- 28. Advantages... * Solutions in their own language and domain... * Increase abstraction level... * What programming instead how programming... * Efforts on productivity... * Encapsulates the problem... * Make concise code... * Prepare code to reuse... * Generate sufficient documentation... quinta-feira, 12 de dezembro de 13
- 29. Drawback... * Requires attention to high costs... * Needs technical expertise on domain... * Needs to bring all the relevant domain knowledge... * Difficulty in seeking the general scope and the construction of domain-specific languages... * Experts must possess the relevant knowledge domain... quinta-feira, 12 de dezembro de 13
- 30. Other topics... * Embedded DSL... * Language Workbench... * Visual DSL`s... * Language-Oriented Programming... quinta-feira, 12 de dezembro de 13
- 31. Ending.... quinta-feira, 12 de dezembro de 13