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Java Bytecode Verification for @NonNull Types

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Male, Chris
Pearce, David J.
Potanin, Alex
Dymnikov, Constantine

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Springer

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Java's annotation mechanism allows us to extend its type system with non-null types. However, checking such types cannot be done using the existing bytecode verification algorithm. We extend this algorithm to verify non-null types using a novel technique that identifies aliasing relationships between local variables and stack locations in the JVM. We formalise this for a subset of Java Bytecode and report on experiences using our implementation.

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Compiler Construction - 17th International Conference, CC 2008 - Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS 2008, Proceedings

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