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| author | Robert Griesemer <gri@golang.org> | 2021-04-13 17:48:45 -0700 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2021-04-14 19:35:43 +0000 |
| commit | 892cad7a9b6632533f87bf89d98c43f21c749a80 (patch) | |
| tree | 31ac7fb609fc7bab64b5c53edfac7dd6578970b9 /src/cmd/compile/internal/types2/subst.go | |
| parent | 283f9fdbd340a5f3c1b27fd10730986b35e57c89 (diff) | |
| download | go-892cad7a9b6632533f87bf89d98c43f21c749a80.tar.gz go-892cad7a9b6632533f87bf89d98c43f21c749a80.zip | |
cmd/compile/internal/types2: add Named.SetTParams and Named.Orig methods
Named.SetTParams sets the type parameters for a named type.
Named.Orig returns the original generic type an instantiated
type is derived from. Added a new field orig for that purpose
and renamed the already existing orig field to fromRHS.
Finally, updated various comments.
Change-Id: Ic9d173e42740422d195713d8bdc62a54dc8c5f54
Reviewed-on: https://go-review.googlesource.com/c/go/+/309832
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
Diffstat (limited to 'src/cmd/compile/internal/types2/subst.go')
| -rw-r--r-- | src/cmd/compile/internal/types2/subst.go | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/types2/subst.go b/src/cmd/compile/internal/types2/subst.go index d730642831..d089317f7d 100644 --- a/src/cmd/compile/internal/types2/subst.go +++ b/src/cmd/compile/internal/types2/subst.go @@ -385,8 +385,7 @@ func (subst *subster) typ(typ Type) Type { // create a new named type and populate caches to avoid endless recursion tname := NewTypeName(subst.pos, t.obj.pkg, t.obj.name, nil) - named := subst.check.NewNamed(tname, t.underlying, t.methods) // method signatures are updated lazily - named.tparams = t.tparams // new type is still parameterized + named := subst.check.newNamed(tname, t, t.underlying, t.tparams, t.methods) // method signatures are updated lazily named.targs = new_targs subst.check.typMap[h] = named subst.cache[t] = named @@ -394,7 +393,7 @@ func (subst *subster) typ(typ Type) Type { // do the substitution dump(">>> subst %s with %s (new: %s)", t.underlying, subst.smap, new_targs) named.underlying = subst.typOrNil(t.underlying) - named.orig = named.underlying // for cycle detection (Checker.validType) + named.fromRHS = named.underlying // for cycle detection (Checker.validType) return named |