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having them in this repository because of license issues. Instead, they must be downloaded from http://boogiepartners.codeplex.com/ and then copied into the appropriate directories.
Lots of code changes to compensate for the new frame files.
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* Added modules with imports. These can be used to deal with termination checks without going into method/function implementations. Imports must be acyclic.
* Added a default module. It contains all classes/datatypes defined outside the lexical scope of any other module.
* Added a default class. It contains all class members defined outside the lexical scope of any module and class. This means that one can write small Dafny programs without any mention of a "class"!
* Revised scheme for termination metrics. Inter-module calls are allowed iff they follow the import relation. Intra-module calls where the callee is in another strongly connected component of the call graph are always allowed. Intra-module calls in the same strongly connected component are verified to terminate via decreases clauses.
* Removed previous hack that allowed methods with no decreases clauses not to be subjected to termination checking.
* Removed or simplified decreases clauses in test suite, where possible.
* Fixed error in Test/VSI-Benchmarks/b1.dfy
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* Beginning of module implementation
* Changed "class" modifier (for functions and methods) to "static"
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bodies) match expressions.
Addressed a couple of todos, including checking the well-formedness of quantifiers and if-then-else expressions in function bodies.
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Included VSI-Benchmarks in standard tests.
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mikebarnett