public Expression GetResolvedAdaptedSelector(ClauseGenerationContext clauseGenerationContext)
{
if (!IsLetNode)
{
throw new InvalidOperationException("This node is not a 'let' node.");
}
// Adapt the selector so that it contains a reference to the associated LetClause, i.e., instead of "x => new { x = x, y = expr }",
// make it "x => new { x = x, y = [letClause] }"
return(_resolvedAdaptedSelector.GetOrCreate(
r =>
{
var letClause = QuerySourceExpressionNodeUtility.GetQuerySourceForNode(this, clauseGenerationContext);
var adaptedSelectorBody = Expression.New(
_letConstruction.Constructor,
new[] { _letConstruction.Arguments[0], new QuerySourceReferenceExpression(letClause) },
_letConstruction.Members);
return r.GetResolvedExpression(adaptedSelectorBody, Selector.Parameters[0], clauseGenerationContext);
}));
}
public void GetQuerySourceForNode_NoClauseRegistered()
{
QuerySourceExpressionNodeUtility.GetQuerySourceForNode(_node, _context);
}
public void GetQuerySourceForNode()
{
_context.AddContextInfo(_node, _querySource);
Assert.That(QuerySourceExpressionNodeUtility.GetQuerySourceForNode(_node, _context), Is.SameAs(_querySource));
}
