public static Expression EvaluatePartially(Expression expression)
{
var nominator = new Nominator();
nominator.Visit(expression);
var candidates = nominator.Candidates;
var evaluator = new SubtreeEvaluator(candidates);
return(evaluator.Visit(expression));
}
internal static Expression Eval(HashSet <Expression> candidates, Expression expression, ref int placeholderCount)
{
if (candidates.Count == 0)
{
return(expression);
}
var evaluator = new SubtreeEvaluator(candidates, placeholderCount);
var retval = evaluator.Visit(expression);
placeholderCount = evaluator.index;
return(retval);
}
internal static Expression Eval(HashSet <Expression> candidates, Expression expression, ref int placeholderCount)
{
if (candidates.Count == 0)
{
return(expression);
}
var i = placeholderCount >= 0 ? placeholderCount : SqlConstantPlaceholderMaxIndexFinder.Find(expression) + 1;
var evaluator = new SubtreeEvaluator(candidates)
{
index = i
};
return(evaluator.Visit(expression));
}
internal static Expression Eval(HashSet<Expression> candidates, Expression expression, ref int placeholderCount)
{
if (candidates.Count == 0)
{
return expression;
}
var i = placeholderCount >= 0 ? placeholderCount : SqlConstantPlaceholderMaxIndexFinder.Find(expression) + 1;
var evaluator = new SubtreeEvaluator(candidates) { index = i };
return evaluator.Visit(expression);
}
internal static Expression Eval(HashSet<Expression> candidates, Expression expression)
{
var evalutator = new SubtreeEvaluator(candidates);
return evalutator.Visit(expression);
}
static internal Expression Eval(HashSet <Expression> candidates, Expression expression)
{
var evalutator = new SubtreeEvaluator(candidates);
return(evalutator.Visit(expression));
}