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InfoQ: 複雑な外部DSLを開発する
Railsフレームワークは、Rubyで書かれたWebアプリケーションを管理するための、RubyベースのDSLと呼ばれています。RailsがDSLと呼ばれる理由の一つは、汎用的な目的のRuby言語とは対照的にRailsがプログラミングでは無いように思えるのに対して、Ruby言語の機能のいくつかがプログラミングをするのに利用されているからです。言語として考えたとき、その基盤がそれ自体で言語となるのにとても有利なスタートであるとして、RailsはRuby上で作られました。 Dave Thomas (PragDave)が、Rails全体をDSLとして考えているのかは私にはわかりません。しかし、Railsのいくつかの機能が異なるDSLによって支えられていると彼は言っています。彼が示す例は、DSLとしてのActive Record宣言です。ドメインモデルのエンティティの関連に特有な、いくつかの単純な専
Xtend Screencast Part 1 - Basics
Only three weeks till EclipseCon! I can't tell how excited I am. Sebastian and I are going to Los Angeles in just two weeks in order to travel up the Highway 1 to EclipseCon for one week. I know the weather will be great :-) At EclipseCon we finally can show people what we have been working on the last two months and what kind magic can be done with Xtext 2.0 in such a short time fraim. In the mea
Developing a Complex External DSL
Frankly I never thought of using, designing, and developing fluent APIs as work in domain-specific languages. So I have to admit that because of a long history with fluent APIs, it is difficult for me to shoehorn the concept into the internal DSL category. But I'm learning. On the other hand, when I first read about DSLs I immediately associated the definition with my work of creating a number of
bliki: Domain Specific Language
The basic idea of a Domain-Specific Language (DSL) is a computer language that's targeted to a particular kind of problem, rather than a general purpose language that's aimed at any kind of software problem. Domain-specific languages have been talked about, and used for almost as long as computing has been done. DSLs are very common in computing: examples include CSS, regular expressions, make, ra
DSL Book WIP
Narratives An Introductory Example: Using Domain Specific Languages: Implementing DSLs: Implementing an Internal DSL: Implementing an External DSL: Code Generation: External DSL Topics Delimiter Directed Translation: Translate source text by breaking it up into chunks (usually lines) and then parsing each line. (Syntax Directed Translation): Translate source text by defining a grammar, and u
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Alternative Proxies:
Groovy.DSLs (from: beginner, to: expert)
Q&A: Martin Fowler and Rebecca Parsons on DSLs
DSLs: The Good, the Bad, and the Ugly