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| Content Provider | ACM Digital Library |
|---|---|
| Author | Biboudis, Aggelos Gerakios, Prodromos Smaragdakis, Yannis |
| Abstract | We propose DelphJ: a Java-based OO language that eschews inheritance completely, in favor of a combination of class morphing and (deep) delegation. Compared to past delegation approaches, the novel aspect of our design is the ability to emulate the best aspects of inheritance while retaining maximum flexibility: using morphing, a class can select any of the methods of its delegatee and export them (if desired) or transform them (e.g., to add extra arguments or modify type signatures), yet without needing to name these methods explicitly and handle them one-by-one. Compared to past work on morphing, our approach adopts and adapts advanced delegation mechanisms, in order to add late binding capabilities and, thus, provide a full substitute of inheritance. Additionally, we explore complex semantic issues in the interaction of delegation with late binding. We present our language design both informally, with numerous examples, and formally in a core calculus. |
| Starting Page | 233 |
| Ending Page | 252 |
| Page Count | 20 |
| File Format | |
| ISBN | 9781450323741 |
| DOI | 10.1145/2509136.2509535 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2013-10-29 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Object composition Meta-programming Language extensions Static reflection Morphing Delegation |
| Content Type | Text |
| Resource Type | Article |
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