internal override bool MatchPattern(Node pattern, Dictionary <int, Node> matchings)
{
if (pattern is PatternNode)
{
PatternNode patternNode = pattern as PatternNode;
if (patternNode.Type == PatternType.Any || patternNode.Type == PatternType.Constant)
{
if (!matchings.ContainsKey(patternNode.Key))
{
matchings[patternNode.Key] = this;
return(true);
}
else
{
return(matchings[patternNode.Key].Equals(this));
}
}
else if (patternNode.Type == PatternType.Position)
{
matchings[patternNode.Key] = this;
return(true);
}
return(false);
}
else if (pattern is NumberNode)
{
return(pattern.Equals(this));
}
else if (pattern is UniaryOperatorNode)
{
UniaryOperatorNode uniOp = pattern as UniaryOperatorNode;
return(new UniaryOperatorNode(UniaryOperator.Negate, -Value).MatchPattern(pattern, matchings));
}
return(false);
}
public override bool Equals(object obj)
{
if (obj is UniaryOperatorNode)
{
UniaryOperatorNode uniaryOperatorNode = (UniaryOperatorNode)obj;
if (uniaryOperatorNode.Operator != Operator)
{
return(false);
}
if (!uniaryOperatorNode.Left.Equals(Left))
{
return(false);
}
}
return(false);
}
