tree ca7518ec4cca7a2346eda548c8b43fdff1b8deb8
parent 708264289d884e840d9047ae687426bd9741da63
author Brian Wilkerson <brianwilkerson@google.com> 1662584862 +0000
committer Commit Bot <commit-bot@chromium.org> 1662584862 +0000

Add interfaces for the AST nodes to support patterns

Implementation classes will follow after the interfaces have been
finalized, with visitor support following that.

Change-Id: I27e9c12bf299677faa743097869319dc568ad48a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/257922
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Paul Berry <paulberry@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>