Region inference for an object-oriented language

Wei-Ngan Chin, Florin Craciun, Shengchao Qin, Martin Rinard

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Abstract

Region-based memory management offers several important potential advantages over garbage collection, including real-time performance, better data locality, and more efficient use of limited memory. Researchers have advocated the use of regions for functional, imperative, and object-oriented languages. Lexically scoped regions are now a core feature of the Real-Time Specification for Java (RTSJ)[5]. Recent research in region-based programming for Java has focused on region checking, which requires manual effort to augment the program with region annotations. In this paper, we propose an automatic region inference system for a core subset of Java. To provide an inference method that is both precise and practical, we support classes and methods that are region-polymorphic, with region polymorphic recursion for methods. One challenging aspect is to ensure region safety in the presence of features such as class subtyping, method overriding, and downcast operations. Our region inference rules can handle these object-oriented features safely without creating dangling references.
Original languageEnglish
Title of host publicationProceedings of the 2004 ACM SIGPLAN conference on programming language design and implementation
Place of PublicationNew York
PublisherACM
Pages243-254
Publication statusPublished - 2004
EventACM SIGPLAN Conference on Programming Language Design and Implementation - Washington, United States
Duration: 9 Jun 200411 Jun 2004

Conference

ConferenceACM SIGPLAN Conference on Programming Language Design and Implementation
Abbreviated titlePLD'04
CountryUnited States
CityWashington
Period9/06/0411/06/04

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    Chin, W-N., Craciun, F., Qin, S., & Rinard, M. (2004). Region inference for an object-oriented language. In Proceedings of the 2004 ACM SIGPLAN conference on programming language design and implementation (pp. 243-254). ACM.