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Go: Extract type aliases

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This commit is contained in:
Michael B. Gale
2024-08-16 10:51:47 +01:00
parent f4b3dfc408
commit bbe24060f9
1 changed files with 11 additions and 0 deletions
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11
go/extractor/extractor.go
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@@ -1647,6 +1647,9 @@ func extractType(tw *trap.Writer, tp types.Type) trap.Label {
}
extractComponentType(tw, lbl, i, tildeStr, term.Type())
}
case *types.Alias:
kind = dbscheme.TypeAlias.Index()
dbscheme.AliasRhsTable.Emit(tw, lbl, extractType(tw, tp.Rhs()))
default:
log.Fatalf("unexpected type %T", tp)
}
@@ -1790,6 +1793,14 @@ func getTypeLabel(tw *trap.Writer, tp types.Type) (trap.Label, bool) {
fmt.Fprintf(&b, "{%s}", compLbl)
}
lbl = tw.Labeler.GlobalID(fmt.Sprintf("%s;typesetliteraltype", b.String()))
case *types.Alias:
var b strings.Builder
b.WriteString(tp.Obj().Id())
// Ensure that the definition of the alias gets extracted,
// which may be an alias in itself.
extractType(tw, tp.Rhs())
// Construct the label for this type alias.
lbl = tw.Labeler.GlobalID(fmt.Sprintf("%s;typealias", b.String()))
default:
log.Fatalf("(getTypeLabel) unexpected type %T", tp)
}