tree bcfa49e473ae498ebc593760d1d7960b06a00015
parent fbc6f869e86e9dd20e4daf9a7d5b83c85e5db3a6
author Marcel van Lohuizen <mpvl@golang.org> 1595447103 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1595685714 +0000

internal/core/eval: add more positions for closedness errors

- Keep track of position stack in context.
- Copy the positions on first use.

Change-Id: Ibaab87557353484d62277cd08f7f2f7fc619f9c9
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/6682
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>