tailscale/cmd/cloner
Nick Khyl 03acab2639 cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types
We have several checked type assertions to *types.Named in both cmd/cloner and cmd/viewer.
As Go 1.23 updates the go/types package to produce Alias type nodes for type aliases,
these type assertions no longer work as expected unless the new behavior is disabled
with gotypesalias=0.

In this PR, we add codegen.NamedTypeOf(t types.Type), which functions like t.(*types.Named)
but also unrolls type aliases. We then use it in place of type assertions in the cmd/cloner and
cmd/viewer packages where appropriate.

We also update type switches to include *types.Alias alongside *types.Named in relevant cases,
remove *types.Struct cases when switching on types.Type.Underlying and update the tests
with more cases where type aliases can be used.

Updates #13224
Updates #12912

Signed-off-by: Nick Khyl <nickk@tailscale.com>
2024-08-23 15:43:40 -05:00
..
clonerex all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
cloner.go cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types 2024-08-23 15:43:40 -05:00
cloner_test.go cmd/cloner: fix typo in test type's name 2023-09-30 10:18:18 -07:00