Pex - Automated Whitebox Testing for .NET : Microsoft.ExtendedReflection

Microsoft.ExtendedReflection


Extended Reflection (ER) is a library that offers functionality that greatly extends the standard reflection library, and also lifts the unmanaged CLR profiling API into the managed world.

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Our Presentations and Screencasts contain an overview of how the managed profiling API works and how you can use it.

Extended Reflection consists of two assemblies:

  • The managed assembly has the following namespaces:
    • Metadata -- metadata model that can faithfully represent all entities that exist at runtime
    • DataAccess -- fast and type-safe accessors to "live" program data
    • Interpretation -- interpreter of all MSIL instructions, and symbolic representation of runtime values and entire states by terms
    • Reasoning -- interface for symbolic reasoning over MSIL instructions
    • Monitoring -- the managed counterpart of the ClrMonitor that receives callbacks from the instrumented code
    • Utilities -- a set of general utility classes (collections, for debugging, logging, etc)
  • The unmanaged CLR profiler called "ClrMonitor"; it instruments MSIL instructions, i.e. redirecting calls and inserting callbacks

Extended Reflection comes with a set of Code Substitutions to better handle calls to native code.
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