TS4J:用于定义和计算类型状态分析的流畅接口

E. Bodden
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引用次数: 14

摘要

类型状态分析确定程序对给定API的使用是否遵守该API的使用约束,即在正确的对象上以正确的顺序调用正确的方法。以前,我们和其他人已经描述了从用特定领域语言编写的文本有限状态属性定义生成类型状态分析的方法。虽然这样的方法是可行的,但它需要一个重量级的编译器,从而阻碍了有效地集成到程序员的开发环境中,从而也经常集成到他的软件开发实践中。在这里,我们解释了一个纯java接口的设计,它可以促进类型状态分析的定义和评估。界面是流畅的,这是Eric Evans和Martin Fowler创造的术语。流畅接口为用户提供了编写方法调用链的可能性,这些方法调用链读起来几乎像自然语言文本,在我们的例子中,它支持一种看似声明式的类型状态定义。但是,在前面描述的所有方法中,都使用流畅的api来构建配置对象。在这项工作中,我们第一次展示了如何设计一个流畅的API,它也封装了实际的计算,而不仅仅是配置。我们描述了一个基于Soot、heroes和Eclipse的实现,目前我们正在Fraunhofer SIT的工业环境中与试点客户一起对其进行评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
TS4J: a fluent interface for defining and computing typestate analyses
Typestate analyses determine whether a program's use of a given API obeys this API's usage constraints in the sense that the right methods are called on the right objects in the right order. Previously, we and others have described approaches that generate typestate analyses from textual finite-state property definitions written in specialized domain-specific languages. While such an approach is feasible, it requires a heavyweight compiler, hindering an effective integration into the programmer's development environment and thus often also into her software-development practice. Here we explain the design of a pure-Java interface facilitating both the definition and evaluation of typestate analyses. The interface is fluent, a term coined by Eric Evans and Martin Fowler. Fluent interfaces provide the user with the possibility to write method-invocation chains that almost read like natural-language text, in our case allowing for a seemingly declarative style of typestate definitions. In all previously described approaches, however, fluent APIs are used to build configuration objects. In this work, for the first time we show how to design a fluent API in such a way that it also encapsulates actual computation, not just configuration. We describe an implementation on top of Soot, Heros and Eclipse, which we are currently evaluating together with pilot customers in an industrial context at Fraunhofer SIT.
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