public ASTOpNode BuildOperatorNode(Operator op, INode[] arguments)
{
ASTOpNode node = new ASTOpNode(JJTFUNNODE)
{
Op = op
};
this.CopyChildren(node, arguments);
return(node);
}
public virtual object Visit(ASTOpNode node, object data)
{
if (node is IPrintRules)
{
((IPrintRules)node).Append(node, this);
return(null);
}
if (node.GetOperator() == null)
{
throw new JepException("Null operator in Print for " + node);
}
if (this.specialRules.ContainsKey(node.GetOperator()))
{
((IPrintRules)this.specialRules[node.GetOperator()]).Append(node, this);
return(null);
}
if (node.GetOperator().IsUnary())
{
return(this.VisitUnary(node, data));
}
if (node.GetOperator().IsBinary())
{
Operator op = node.GetOperator();
if (node.JjtGetNumChildren() != 2)
{
return(this.VisitNaryBinary(node, op));
}
INode lhs = node.JjtGetChild(0);
INode rhs = node.JjtGetChild(1);
if (this.TestLeft(op, lhs))
{
this.PrintBrackets(lhs);
}
else
{
this.PrintNoBrackets(lhs);
}
this.sb.Append(node.GetOperator().GetSymbol());
if (this.TestRight(op, rhs))
{
this.PrintBrackets(rhs);
}
else
{
this.PrintNoBrackets(rhs);
}
}
return(null);
}
private object VisitUnary(ASTOpNode node, object data)
{
INode node2 = node.JjtGetChild(0);
if (node.GetOperator().IsPrefix())
{
this.sb.Append(node.GetOperator().GetSymbol());
}
if (node2 is ASTOpNode)
{
this.PrintBrackets(node2);
}
else
{
this.PrintNoBrackets(node2);
}
if (node.GetOperator().IsSuffix())
{
this.sb.Append(node.GetOperator().GetSymbol());
}
return(data);
}
public object Visit(ASTOpNode node, object data)
{
this.VisitFun(node);
return(null);
}
