/// <summary>
/// Enumerates all elements in the item, and optionally applies the visitor function
/// </summary>
/// <param name="self">The item to traverse.</param>
/// <param name="visitor">The visitor method. Return <c>false</c> to prevent entering this node.</param>
public static IEnumerable <ASTItem> All(this ASTItem self, Func <ASTItem, VisitorState, bool> visitor = null)
{
if (self is Network)
{
return(All((Network)self, visitor));
}
if (self is Process)
{
return(All((Process)self, visitor));
}
if (self is Bus)
{
return(All((Bus)self, visitor));
}
if (self is Method)
{
return(All((Method)self, visitor));
}
if (self is Statement)
{
return(All((Statement)self, visitor));
}
if (self is Expression)
{
return(All((Expression)self, visitor));
}
throw new Exception($"Unable to visit expression of type {self.GetType().FullName}");
}
/// <summary>
/// Sets the target value
/// </summary>
/// <returns>The target variable or signal.</returns>
/// <param name="self">The item to set the element on.</param>
/// <param name="target">The value to set</param>
public static void SetTarget(this ASTItem self, DataElement target)
{
if (self is IdentifierExpression)
{
((IdentifierExpression)self).Target = target;
}
else if (self is MemberReferenceExpression)
{
((MemberReferenceExpression)self).Target = target;
}
else if (self is WrappingExpression)
{
SetTarget(((WrappingExpression)self).Expression, target);
}
else if (self is Expression && self != ((Expression)self).GetUnwrapped())
{
SetTarget(((Expression)self).GetUnwrapped(), target);
}
else
{
throw new Exception($"Unable to set target on item of type {self.GetType().FullName}");
}
}