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    • 15. 发明申请
    • Architecture that extends types using extension methods
    • 使用扩展方法扩展类型的体系结构
    • US20070028209A1
    • 2007-02-01
    • US11192919
    • 2005-07-29
    • Henricus MeijerAnders HejlsbergMatthew WarrenLuca BolognesePeter HallamGary KatzenbergerDinesh Kulkarni
    • Henricus MeijerAnders HejlsbergMatthew WarrenLuca BolognesePeter HallamGary KatzenbergerDinesh Kulkarni
    • G06F9/44G06F9/45
    • G06F8/315
    • Architecture that extends existing types including constructed and sealed types using extension methods. Extension methods are static methods that can be invoked using instance method syntax. Extension methods are declared by specifying the keyword “this” as a modifier on the first parameter of the methods. Extension methods have all the capabilities of regular static methods. In addition, once imported, extension methods can be invoked using instance method syntax. Also disclosed are rules for importing extension methods, and extension method invocations. Extension methods are imported through using-namespace-directives. In addition to importing the types contained in a namespace, a using-namespace-directive imports all extension methods in all static classes in the namespace. In effect, imported extension methods appear as additional methods on the types that are given by their first parameter and have lower precedence than regular instance methods.
    • 使用扩展方法扩展现有类型(包括构造和密封类型)的体系结构。 扩展方法是可以使用实例方法语法调用的静态方法。 扩展方法通过在方法的第一个参数上指定关键字“this”作为修饰符来声明。 扩展方法具有常规静态方法的所有功能。 另外,一旦导入,可以使用实例方法语法来调用扩展方法。 还公开了导入扩展方法和扩展方法调用的规则。 扩展方法通过using-namespace-directives导入。 除了导入命名空间中包含的类型之外,using-namespace-directive会在命名空间中的所有静态类中导入所有扩展方法。 实际上,导入的扩展方法在其第一个参数给出的类型上显示为附加方法,并且具有比常规实例方法更低的优先级。
    • 16. 发明申请
    • Lightweight application program interface (API) for extensible markup language (XML)
    • 用于可扩展标记语言(XML)的轻量级应用程序接口(API)
    • US20070028163A1
    • 2007-02-01
    • US11193567
    • 2005-07-29
    • Henricus MeijerAnders HejlsbergDavid RemyArpan DesaiAsad JawaharAndrew KimballDonald Box
    • Henricus MeijerAnders HejlsbergDavid RemyArpan DesaiAsad JawaharAndrew KimballDonald Box
    • G06F17/24
    • G06F17/2247G06F17/30932
    • An architecture that leverages support for markup language operations, e.g., extensible markup language (XML) queries, via a lightweight application program interface (API). The API defines an object model that can simplify construction of XML values in languages that do not natively support XML. The novel aspects of the described innovation can enable query languages to be factored into general operations (e.g., mapping, filtering, sorting, and/or projection of functions) on collections on one hand, and a set of domain specific operations (e.g., navigation, construction and modification) on the elements of these collections on another hand. The subject API can support creation of XML data that is node centric (e.g., context-free). Accordingly, nodes do not have to be constructed within the context of a document. Additionally, aspects can enable expression-oriented interface mechanisms as opposed to the imperative statement-oriented style interfaces used in connection with traditional interface mechanisms (e.g., DOM).
    • 通过轻量级应用程序接口(API)利用支持标记语言操作(例如可扩展标记语言(XML)查询)的体系结构。 API定义了一个对象模型,可以简化XML本身不支持XML的语言的构造。 所描述的创新的新颖方面可以使查询语言能够一方面被视为一般操作(例如,功能的映射,过滤,排序和/或投影),以及一组特定于领域的操作(例如,导航 ,建设和修改)另一方面对这些收藏品的要素。 主题API可以支持以节点为中心(例如,无上下文)创建XML数据。 因此,节点不必在文档的上下文中构建。 另外,方面可以实现面向表达式的接口机制,而不是与传统接口机制(例如,DOM)结合使用的面向语句的风格接口。
    • 17. 发明申请
    • Static inheritance systems and methods
    • 静态继承系统和方法
    • US20060150146A1
    • 2006-07-06
    • US11012409
    • 2004-12-15
    • Henricus MeijerSergey DubinetsYan LeshinskyEvgeny Veselov
    • Henricus MeijerSergey DubinetsYan LeshinskyEvgeny Veselov
    • G06F9/44
    • G06F9/4492
    • The subject invention pertains to a system and method of extending programming languages to enable static inheritance. In particular, static subclasses can be defined which extend class functionality and/or behaviors without extending base class state. The subclasses can be specified to include static fields as well as static or instance methods and/or properties that provide a more specific interpretation of an object without extending the state thereof. Furthermore, a static subclass can be specified to provide for type aliasing. Casting is also enabled in both directions between base class type and derived class type in a convenient manner without run-time performance penalties. According to one aspect of the invention, the disclosed systems and methods can be employed to create specific programmatic context, for instance for accessing, manipulating, and type checking external data (e.g., XML).
    • 本发明涉及一种扩展编程语言以实现静态继承的系统和方法。 特别地,可以定义静态子类,其扩展类功能和/或行为,而不扩展基类状态。 子类可以指定为包括静态字段以及静态或实例方法和/或属性,可以在不扩展对象的状态的情况下提供对对象的更具体的解释。 此外,可以指定静态子类来提供类型别名。 在方便的方式下,也可以在基类类型和派生类类型之间的两个方向上启用转换,而无需运行时性能损失。 根据本发明的一个方面,所公开的系统和方法可用于创建特定的编程上下文,例如用于访问,操纵和类型检查外部数据(例如,XML)。