commit | 69d945fc6e80475c163f96ba86fe716e77bb0104 | [log] [tgz] |
---|---|---|
author | Robert Griesemer <gri@golang.org> | Wed Jul 07 21:38:49 2021 -0700 |
committer | Robert Griesemer <gri@golang.org> | Fri Jul 09 17:36:57 2021 +0000 |
tree | f299a8ca8176a672a539979c846d2951e0c1d1ad | |
parent | 04acb8a7b9fc0212687cc25aa2598d12f6aceb74 [diff] |
[dev.typeparams] cmd/compile/internal/types2: use scope numbers to identify local types Rather than using a local types' position information, use the type name's scope numbers to uniquely identify the type from others with the same name. We use scope numbers rather than indices (with number-1 == index) to preserve the invariant that the zero value for a scope is a ready to use empty scope. Using scope numbers turned out to be fairly simple after all and provides a reasonably stable identification which will make debugging simpler. A scope number series may be a bit longer than a unique ID for each type name but local types should be reasonably rare. Also did a minor cleanup in universe.go to ensure Named.orig is set up correctly (there's still an open TODO but with a work-around). Change-Id: I73935fa9bd960809fd5c95fe8b8a535c313cfc8f Reviewed-on: https://go-review.googlesource.com/c/go/+/333192 Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> TryBot-Result: Go Bot <gobot@golang.org>
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