예제 #1
0
        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));
        }