internal override bool match(ATerm pattern, ArrayList list)
{
if (pattern.getType() == ATermType.LIST)
{
ATermList l = (ATermList)pattern;
if (l.isEmpty())
{
return(this.isEmpty());
}
if (l.getFirst().getType() == ATermType.PLACEHOLDER)
{
ATerm ph_type = ((ATermPlaceholder)l.getFirst()).getPlaceholder();
if (ph_type.getType() == ATermType.APPL)
{
ATermAppl appl = (ATermAppl)ph_type;
if (appl.getName().Equals("list") && appl.getArguments().isEmpty())
{
list.Add(this);
return(true);
}
}
}
if (!isEmpty())
{
ArrayList submatches = first.match(l.getFirst());
if (submatches == null)
{
return(false);
}
list.AddRange(submatches);
submatches = next.match(l.getNext());
if (submatches == null)
{
return(false);
}
list.AddRange(submatches);
return(true);
}
else
{
return(l.isEmpty());
}
}
return(base.match(pattern, list));
}