Practical pluggable types for Java
Name
355433044-MIT.pdf
Description
Full printable version
Size
678.57 KB
Format
Adobe PDF
Checksum (MD5)
6a56219dd7b71749e844b12283e6e9ba
Author(s)
Papi, Matthew M
Advisor(s)
Michael D. Ernst.
Date Issued
2008
Publisher
Massachusetts Institute of Technology
Abstract
This paper introduces the Checker Framework, which supports adding pluggable type systems to the Java language in a backward-compatible way. A type system designer defines type qualifiers and their semantics, and a compiler plug-in enforces the semantics. Programmers can write the type qualifiers in their programs and use the plug-in to detect or prevent errors. The Checker Framework is useful both to programmers who wish to write error-free code, and to type system designers who wish to evaluate and deploy their type systems. The Checker Framework includes new Java syntax for expressing type qualifiers; declarative and procedural mechanisms for writing type-checking rules; and support for flow-sensitive local type qualifier inference and for polymorphism over types and qualifiers. The Checker Framework is well-integrated with the Java language and toolset. We have evaluated the Checker Framework by writing five checkers and running them on over 600K lines of existing code. The checkers found real errors, then confirmed the absence of further errors in the fixed code. The case studies also shed light on the type systems themselves.
Description
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 109-115).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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