public static ICollection <Expression> Analyze(Expression expressionTree)
{
var visitor = new FindEvaluatableExpressionVisitor();
visitor.Visit(expressionTree);
return(visitor._evaluatableExpressions);
}
/// <summary>
/// Takes an expression tree and finds and evaluates all its evaluatable subtrees.
/// </summary>
public static Expression Evaluate(Expression expressionTree)
{
var evaluatableExpressions = FindEvaluatableExpressionVisitor.Analyze(expressionTree);
var visitor = new EvaluatingExpressionVisitor(expressionTree, evaluatableExpressions);
return(visitor.Visit(expressionTree));
}
