go/gcimporter15: backport interface embedding support

Backports golang.org/cl/38392 from go/internal/gcimporter.

Updates golang/go#16369.

Change-Id: Ic805f96e6565590987a5dae9f0f76c206fceab05
Reviewed-on: https://go-review.googlesource.com/38429
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Matthew Dempsky 2017-03-21 15:15:34 -07:00
parent 23ca8a2633
commit b08393ce6d
2 changed files with 6 additions and 5 deletions

View File

@ -493,12 +493,13 @@ func (p *importer) typ(parent *types.Package) types.Type {
p.record(nil) p.record(nil)
} }
// no embedded interfaces with gc compiler var embeddeds []*types.Named
if p.int() != 0 { for n := p.int(); n > 0; n-- {
errorf("unexpected embedded interface") p.pos()
embeddeds = append(embeddeds, p.typ(parent).(*types.Named))
} }
t := types.NewInterface(p.methodList(parent), nil) t := types.NewInterface(p.methodList(parent), embeddeds)
if p.trackAllTypes { if p.trackAllTypes {
p.typList[n] = t p.typList[n] = t
} }

View File

@ -249,7 +249,7 @@ var importedObjectTests = []struct {
}{ }{
{"math.Pi", "const Pi untyped float"}, {"math.Pi", "const Pi untyped float"},
{"io.Reader", "type Reader interface{Read(p []byte) (n int, err error)}"}, {"io.Reader", "type Reader interface{Read(p []byte) (n int, err error)}"},
{"io.ReadWriter", "type ReadWriter interface{Read(p []byte) (n int, err error); Write(p []byte) (n int, err error)}"}, {"io.ReadWriter", "type ReadWriter interface{Reader; Writer}"},
{"math.Sin", "func Sin(x float64) float64"}, {"math.Sin", "func Sin(x float64) float64"},
// TODO(gri) add more tests // TODO(gri) add more tests
} }