Aliasing in Object-Oriented Programming: Types, Analysis, by Dave Clarke, James Noble, Tobias Wrigstad PDF

By Dave Clarke, James Noble, Tobias Wrigstad

ISBN-10: 3642369456

ISBN-13: 9783642369452

This publication provides a survey of the state of the art on innovations for facing aliasing in object-oriented programming. It marks the twentieth anniversary of the paper The Geneva conference at the therapy of item Aliasing through John Hogg, Doug Lea, Alan Wills, Dennis de Champeaux and Richard Holt. The 22 revised papers have been rigorously reviewed to make sure the top quality.The contributions are prepared in topical sections at the Geneva conference, possession, concurrency, alias research, controlling results, verification, programming languages, and visions.

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Additional resources for Aliasing in Object-Oriented Programming: Types, Analysis, and Verification

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Heap memory is garbage collected. Scoped memories are allocated and deallocated in a stack-like fashion based on the order in which threads ‘enter them’ to allocate objects within them. Without going into too much detail, objects in one scoped memory can refer to objects in another, if the lifetime of the former exceeds that of the latter, to avoid memory leaks. RTSJ checks dynamically that the scoped memories are used correctly. 44 D. Clarke et al. Boyapati et al. [25] were first to explore the application of Ownership Types to memory management in any detail.

2. Generational Ownership. References can refer to earlier generations, but not newer ones. existing object, including their receiver. The underlying principle is that aliasing is unrestricted, but modifications of an object can only be initiated by its owner. Although the owners-as-modifiers discipline was originally inspired by Flexible Alias Protection, the main driving force behind the design of Universes has been requirements coming from the verification of object-oriented programs. Indeed, Universes have been used extensively to support the verification of objectoriented programs [107,106], and they have been integrated into JML, the Java Modelling Language [56].

Invariants may, for example, be temporarily broken during ownership transfer, as this is not an atomic operation, and involves passing the reference and changing the owner field of the moved object. 4 35 Ownership Transfer One restriction common to early ownership systems is that the owner of an object must be set upon creation and then fixed for the lifetime of the object. Several attempts at removing this restriction have been presented over the years, thereby allowing the transfer of ownership.

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Aliasing in Object-Oriented Programming: Types, Analysis, and Verification by Dave Clarke, James Noble, Tobias Wrigstad

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