tree dc06c85ae70086af7eabc92fd75c80a597a892ec
parent f2a4a42b05462e10a9f5465ea964bd9588f88528
author Marcel van Lohuizen <mpvl@golang.org> 1602417433 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1603095304 +0000

interanal/core/runtime: move building logic from cue package

- Simplify logic
- Lazy load packages
- Cleanup interim types used for cue package transition

The lazy loading of builtin packages allows:
- adding builtin packages to a used Runtime
- isolate performance measurements and metrics for
  CUE code that doesn't use imports.

Change-Id: Idd4578100047f83397be7c1d69f66b083974e6c0
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/7421
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>