public override object VisitAtom([NotNull] MiniSQLParser.AtomContext context)
{
Expression obj = new Expression();
// TODO: review
if (context.scientific() != null)
{
AtomValue atomValue = (AtomValue)Visit(context.scientific());
obj.Operator = Operator.AtomConcreteValue;
obj.ConcreteValue = atomValue;
}
else if (context.variable() != null)
{
string variableName = context.variable().GetText();
obj.Operator = Operator.AtomVariable;
obj.AttributeName = variableName;
}
else
{
throw new System.NotImplementedException();
}
return(obj);
}
/// <summary>
/// Enter a parse tree produced by <see cref="MiniSQLParser.atom"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void EnterAtom([NotNull] MiniSQLParser.AtomContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="MiniSQLParser.atom"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitAtom([NotNull] MiniSQLParser.AtomContext context)
{
return(VisitChildren(context));
}
