Chris Parsons f874e46153 Refactor mixed builds to only take one pass ... This large refactoring has both immense performance implications and improves mixed builds complexity / usability. Summary: 1. Queueing calls to Bazel is done in a new mutator instead of a full soong_build pass. Normal soong_build flow is interrupted (via a functional hook in blueprint) to invoke bazel and parse its response. 2. Implementing mixed build support for additional modules is as simple as implementing MixedBuildsBuildable. In this interface, define the request that must be queued to Bazel, and then subsequently define how to handle the returned bazel cquery metadata. 3. Mixed builds consists of only a single pass. This greatly improves mixed build performance. Result: A 33% runtime improvement on soong analysis phase with mixed builds. Caveats: C++ BazelHandler handling still remains a bit of a mess; I did what I could within this CL's scope, but this may require additional cleanup. Test: Treehugger Test: Verified that aosp_arm ninja file is bit-for-bit identical with or without this change. Change-Id: I412d9c94d429105f4ebfafc84100d546069e6621		2022-05-20 10:04:13 -04:00
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Android.bp	Use interface for $(location) values in genrules	2021-03-25 11:06:45 -07:00
genrule.go	Refactor mixed builds to only take one pass	2022-05-20 10:04:13 -04:00
genrule_test.go	Clarify genrule error message	2022-02-23 14:24:45 +00:00
locations.go	Use interface for $(location) values in genrules	2021-03-25 11:06:45 -07:00