override public bool Replace(Node existing, Node newNode)
{
if (base.Replace(existing, newNode))
{
return(true);
}
if (_modifier == existing)
{
this.Modifier = (StatementModifier)newNode;
return(true);
}
if (_arguments != null)
{
Expression item = existing as Expression;
if (null != item)
{
Expression newItem = (Expression)newNode;
if (_arguments.Replace(item, newItem))
{
return(true);
}
}
}
if (_body == existing)
{
this.Body = (Block)newNode;
return(true);
}
return(false);
}
override public bool Replace(Node existing, Node newNode)
{
if (base.Replace(existing, newNode))
{
return(true);
}
if (_arguments != null)
{
Expression item = existing as Expression;
if (null != item)
{
Expression newItem = (Expression)newNode;
if (_arguments.Replace(item, newItem))
{
return(true);
}
}
}
if (_namedArguments != null)
{
ExpressionPair item = existing as ExpressionPair;
if (null != item)
{
ExpressionPair newItem = (ExpressionPair)newNode;
if (_namedArguments.Replace(item, newItem))
{
return(true);
}
}
}
return(false);
}
override public bool Replace(Node existing, Node newNode)
{
if (base.Replace(existing, newNode))
{
return(true);
}
if (_clauses != null)
{
Expression item = existing as Expression;
if (null != item)
{
Expression newItem = (Expression)newNode;
if (_clauses.Replace(item, newItem))
{
return(true);
}
}
}
if (_ending == existing)
{
this.Ending = (QueryEndingExpression)newNode;
return(true);
}
if (_cont == existing)
{
this.Cont = (QueryContinuationExpression)newNode;
return(true);
}
return(false);
}
override public bool Replace(Node existing, Node newNode)
{
if (base.Replace(existing, newNode))
{
return(true);
}
if (_items != null)
{
Expression item = existing as Expression;
if (null != item)
{
Expression newItem = (Expression)newNode;
if (_items.Replace(item, newItem))
{
return(true);
}
}
}
return(false);
}
void BindNullableParameters(ExpressionCollection args, ICallableType target)
{
if (null == target)
return;
IParameter[] parameters = target.GetSignature().Parameters;
for (int i = 0; i < parameters.Length; ++i) {
if (!TypeSystemServices.IsNullable(parameters[i].Type))
continue;
if (TypeSystemServices.IsNullable(GetExpressionType(args[i])))
continue; //already nullable
args.Replace(args[i], CreateNullableInstantiation(args[i], parameters[i].Type));
Visit(args[i]);
}
}