private static BoundExpression GetSpeculativelyBoundExpressionHelper(Binder binder, ExpressionSyntax expression, SpeculativeBindingOption bindingOption, DiagnosticBag diagnostics)
{
Debug.Assert(binder != null);
Debug.Assert(binder.IsSemanticModelBinder);
Debug.Assert(expression != null);
Debug.Assert(bindingOption != SpeculativeBindingOption.BindAsTypeOrNamespace || expression is TypeSyntax);
BoundExpression boundNode;
if (bindingOption == SpeculativeBindingOption.BindAsTypeOrNamespace || binder.Flags.Includes(BinderFlags.CrefParameterOrReturnType))
{
boundNode = binder.BindNamespaceOrType(expression, diagnostics);
}
else
{
Debug.Assert(bindingOption == SpeculativeBindingOption.BindAsExpression);
boundNode = binder.BindExpression(expression, diagnostics);
}
return boundNode;
}