public override double VisitOpExpr([NotNull] CalcParser.OpExprContext context) { double left = Visit(context.left); double right = Visit(context.right); string op = context.op.Text; return(_funcMap[op](left, right)); }
/// <summary> /// Visit a parse tree produced by the <c>opExpr</c> /// labeled alternative in <see cref="CalcParser.expr"/>. /// <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 VisitOpExpr([NotNull] CalcParser.OpExprContext context) { return(VisitChildren(context)); }