public override PredicateNode VisitBooleanOperator(PredicateParser.BooleanOperatorContext context)
{
var terminal = (ITerminalNode)context.GetChild(0);
var symbolType = terminal.Symbol.Type;
switch (symbolType)
{
case PredicateLexer.And:
return(new PredicateNode(SymbolType.BooleanOperator, BooleanOperator.And));
case PredicateLexer.Or:
return(new PredicateNode(SymbolType.BooleanOperator, BooleanOperator.Or));
}
throw new Exception("Unhandled Boolean Operator");
}
/// <summary>
/// Visit a parse tree produced by <see cref="PredicateParser.booleanOperator"/>.
/// <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 VisitBooleanOperator([NotNull] PredicateParser.BooleanOperatorContext context)
{
return(VisitChildren(context));
}
