Dynamically extensible objects in a class-based language

被引：0
|
作者：
Schmidt, RW [1 ]
机构：
[1] Univ Aarhus, Dept Comp Sci, DK-8000 Aarhus C, Denmark
来源：
TOOLS 23 - TECHNOLOGY OF OBJECT-ORIENTED LANGUAGES AND SYSTEMS, PROCEEDINGS | 1998年
关键词：
D O I：
10.1109/TOOLS.1997.654737
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Object-oriented programming techniques support construction of reusable and extensible code. However, class-based languages have poor support for implementing type-orthogonal behavior and extending non-leaf classes, which results in implementations with poor performance or limited functionality. This paper presents dynamic slots, a mechanism for extending objects at runtime. We show how this mechanism can be used to build efficient implementations of type-orthogonal abstractions. Dynamic slots are statically typed and have been integrated into the BETA programming language. Measurements of a persistent store show that they significantly improve performance.
引用
收藏
页码：294 / 305
页数：12
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