// adjustedMemberSignature returns the member signature found on the given node, adjusted for
// the parent type's generics, as specified in this type reference. Will panic if the type reference
// does not refer to the node's parent type.
func (tr TypeReference) adjustedMemberSignature(node compilergraph.GraphNode) string {
compilerutil.DCHECK(func() bool {
return node.StartQuery().In(NodePredicateMember).GetNode() == tr.referredTypeNode()
}, "Type reference must be parent of member node")
// Retrieve the generics of the parent type.
parentNode := tr.referredTypeNode()
pgit := parentNode.StartQuery().Out(NodePredicateTypeGeneric).BuildNodeIterator()
// Parse the member signature.
esig := &proto.MemberSig{}
memberSig := node.GetTagged(NodePredicateMemberSignature, esig).(*proto.MemberSig)
// Replace the generics of the parent type in the signature with those of the type reference.
generics := tr.Generics()
var index = 0
var memberType = tr.Build(memberSig.GetMemberType()).(TypeReference)
for pgit.Next() {
genericNode := pgit.Node()
genericRef := generics[index]
genericType := TGTypeDecl{genericNode, tr.tdg}
// Replace the generic in the member type.
memberType = memberType.ReplaceType(genericType, genericRef)
// Replace the generic in any generic constraints.
for cindex, constraint := range memberSig.GetGenericConstraints() {
memberSig.GenericConstraints[cindex] = tr.Build(constraint).(TypeReference).
ReplaceType(genericType, genericRef).
Value()
}
index = index + 1
}
adjustedType := memberType.Value()
memberSig.MemberType = &adjustedType
return memberSig.Value()
}