More JDWP functionality: breakpoints, single-stepping.

By-line still needs to be implemented. I've also implemented
VirtualMachine.Dispose so that it disconnects from the caller, as it's
supposed to. This was the cause of a lot of test hangs in otherwise
successful tests.

I've implemented ClassLoaderReference.VisibleClasses, though we don't have
enough information to only return the classes for which the given ClassLoader
was an initiating class loader. We pass the tests with this, but mainly because
the tests aren't very thorough. Sadly, VirtualMachine.CapabilitiesNew doesn't
let us say we don't support this. (Though we could still just return

Change-Id: I8d02c2b568a77a4c1725bc737a8ee844f4591e81
5 files changed
tree: 13ef61a98160430efae310c2e0fb322b1489ce68
  1. .gitignore
  3. build/
  4. jdwpspy/
  5. src/
  6. test/
  7. tools/