摘要：ƒ The Message-Routing DSL is an example of an imperative DSL. It’s executed to perform some goals. ƒ The Authorization DSL is a more declarative example (but still mostly impera- tive). It’s executed to produce a value, which is later used. ƒ The Quote-Generation DSL is a mostly declarative exam... 阅读全文

摘要：DSL Model 对应的DSL内容 treatment of default_customer upon bad_credit: authorize_funds cart.Total, "We require full authorization of the amount in low credit rating scenarios" define preferred_customer: customer.TotalPurchaseAmount > 5000 define default_customer: customer.Total... 阅读全文

摘要：基于boo这个语言实现的几个dsl例子，可以作为我们学习的参考Brail Castle Project http://www.castleproject.org/monorail/documentation/trunk/viewengines/brail/index.html. It’s a text templating language, built by me, in which in you can mix code and text freely. Here’s a sample: <h1>My name is ${name}</h1> <ul> 阅读全文

摘要：keywords Boo syntax C# equivalent class Car: pass pass keyword public class Car { } employee is null ... 阅读全文

摘要：Boo is an object-oriented, statically typed programming language for the Common Language Infrastructure (CLI) with a Python-inspired syntax and a special focus on language and compiler extensibility. It’s this focus on extensibility that makes it ideally suited for building DSLs. Boo is not just... 阅读全文

摘要：IDE集成 Using Visual Studio as your DSL IDE Using #develop as your DSL IDESharpDevelop(#develop) Integrating an IDE with a DSL application The main difference between creating an IDE and integrating an IDE lies in the capa- bilities that you provide the user with. In the IDE scenario, you’re prov... 阅读全文

摘要：应用中集成DSL Naming conventions Ordering the execution of scripts Performance considerations when using a DSL Segregating the DSL from the application 集中集成方式的优缺点 BOO汇总和Rhino DSL infrastructure should meet: ƒ Codify common DSL idioms so you don’t have to keep rewriting them ƒ Handle cachin... 阅读全文

摘要：fluent interfaces 与DSLs的区别 because you have a lot of freedomwhen you define the language for the DSL, but fluent interfaces have to work withinthe limits of a typically rigid language to work fluent interfaces的例子 newFluentTask("warn if website is down") .Every(TimeSpan.FromMinutes(3) ) .St 阅读全文

摘要：DSL概念 Martin Fowler defines a domain-specific language (DSL) as “a computer languagethat’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 aren’t a new idea by any means. DSLs have been arounds.. 阅读全文

摘要：MOPThese dynamic behaviors are governed by the metaobject protocol ( MOP) that each of these languages implements in their runtime. The metaobject protocol of a language defines the semantics of the extensibility of the language artifacts. Take a look at the accompanying callout for a gentle introdu 阅读全文

摘要：概念Metaprogrammingiswritingcodethatwritescode.Metaprogrammingiswritingcodethatmanipulateslanguageconstructsatruntime.可以编写代码的代码MetaprogrammingRubyThisparticularbrandofmetaprogrammingimpliesthatyouuseaprogramtogenerateorotherwisemanipulateasecond,distinctprogram—andthenyourunthesecondprogram.Afteryouru 阅读全文