[georgehm]

What about skyframe? http://bazel.io/docs/skyframe.html looks like an overview without any examples. Couldn't find any references to it in the bazel code at github too.

[nharmata-google]

https://github.com/google/bazel/tree/master/src/main/java/co... is the implementation of the skyframe engine (the general-purpose memoizing, incremental, functional evaluation framework) and https://github.com/google/bazel/tree/master/src/main/java/co... contains the implementation of bazel-on-top-of-skyframe.