public static ExpressionSyntax GetLeftSideOfDot(this SimpleNameSyntax name)
{
Debug.Assert(
name.IsSimpleMemberAccessExpressionName() ||
name.IsMemberBindingExpressionName() ||
name.IsRightSideOfQualifiedName() ||
name.IsParentKind(SyntaxKind.NameMemberCref)
);
if (name.IsSimpleMemberAccessExpressionName())
{
return(((MemberAccessExpressionSyntax)name.Parent).Expression);
}
else if (name.IsMemberBindingExpressionName())
{
return(name.GetParentConditionalAccessExpression().Expression);
}
else if (name.IsRightSideOfQualifiedName())
{
return(((QualifiedNameSyntax)name.Parent).Left);
}
else
{
return(((QualifiedCrefSyntax)name.Parent.Parent).Container);
}
}