public static Expression Replace(InvocationExpression invocation)
{
LambdaExpression lambda = (LambdaExpression)invocation.Expression;
var replacer = new ExpressionReplacer(0.To(lambda.Parameters.Count).ToDictionaryEx(i => lambda.Parameters[i], i => invocation.Arguments[i]));
return(replacer.Visit(lambda.Body));
}
public static Expression Replace(Expression expression, Dictionary <ParameterExpression, Expression> replacements)
{
var replacer = new ExpressionReplacer()
{
replacements = replacements
};
return(replacer.Visit(expression));
}
public static Expression Replace(Expression expression, Dictionary<ParameterExpression, Expression> replacements)
{
var replacer = new ExpressionReplacer()
{
replacements = replacements
};
return replacer.Visit(expression);
}
public static Expression Replace(InvocationExpression invocation)
{
LambdaExpression lambda = invocation.Expression as LambdaExpression;
var replacer = new ExpressionReplacer()
{
replacements = 0.To(lambda.Parameters.Count).ToDictionaryEx(i => lambda.Parameters[i], i => invocation.Arguments[i])
};
return replacer.Visit(lambda.Body);
}
protected override Expression VisitInvocation(InvocationExpression iv)
{
if (iv.Expression is LambdaExpression)
{
return(Visit(ExpressionReplacer.Replace(iv)));
}
else
{
return(base.VisitInvocation(iv)); //Just calling a delegate in the projector
}
}