private ExpressionInfo Expr_BinaryOp_NonSpecial_AlwaysSafe(XmlNode node)
{
XmlNode leftExpr = node.GetSubNode(AstConstants.Subnode + ":" + AstConstants.Subnodes.Left);
Analyze(leftExpr);
XmlNode rightExpr = node.GetSubNode(AstConstants.Subnode + ":" + AstConstants.Subnodes.Right);
Analyze(rightExpr);
return new ExpressionInfo();
}