8cdc0e6474
This CL add the 'macros' experiment and adds support for the `macro` modifier on class declarations. This is part of the prototyping of the static meta-programming feature. Change-Id: Ie4b8c5443fda3813307ea076c315baad6a90c3e9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/224205 Reviewed-by: Chloe Stefantsova <cstefantsova@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>