public override void Transform(AbstractSyntaxTree astNode)
{
switch (astNode.Type)
{
case TokenType.InfixOperator:
case TokenType.PostfixOperator:
case TokenType.PrefixOperator:
astNode.Collapse();
return;
case TokenType.ParenthesesNode:
if (astNode.Children.Count == 1)
{
astNode.Collapse();
}
return;
default:
return;
}
}
public override void Transform(AbstractSyntaxTree astNode)
{
if (astNode.Type == TokenType.PrefixNode)
{
if (astNode.Children.Count == 1)
{
astNode.Collapse();
return;
}
else
{
var source = astNode.Children;
var value = new AbstractSyntaxTree(new Node(TokenType.PrefixNode), source.GetRange(1, source.Count - 1));
var prefix = source.First();
astNode.Children = new List <AbstractSyntaxTree>()
{
value, prefix
};
}
}
}