internal Expression[] VisitArguments(IArgumentProvider nodes)
{
Expression[] newNodes = null;
for (int i = 0, n = nodes.ArgumentCount; i < n; i++)
{
Expression curNode = nodes.GetArgument(i);
Expression node = curNode.Accept(this);
if (newNodes != null)
{
newNodes[i] = node;
}
else if (!object.ReferenceEquals(node, curNode))
{
newNodes = new Expression[n];
for (int j = 0; j < i; j++)
{
newNodes[j] = nodes.GetArgument(j);
}
newNodes[i] = node;
}
}
return(newNodes);
}
public virtual Expression?Visit(Expression?node) => node?.Accept(this);
public virtual Expression?Visit(Expression?node)
{
return(node?.Accept(this));
}
public Expression Visit(Expression node)
{
return((node == null) ? null : node.Accept(this));
}