public override double VisitVAR([NotNull] CalcParser.VARContext context) { string varName = context.ID().GetText(); Variable[] v = (from variable in this.variables where (variable.Name == varName) select variable).ToArray <Variable>(); if (v.Count <Variable>() != 0) { return(v[0].Value); } else { Console.WriteLine("{0} is not defined.", varName); return(0f); } }
/// <summary> /// Exit a parse tree produced by the <c>VAR</c> /// labeled alternative in <see cref="CalcParser.factor"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitVAR([NotNull] CalcParser.VARContext context) { }
/// <summary> /// Visit a parse tree produced by the <c>VAR</c> /// labeled alternative in <see cref="CalcParser.factor"/>. /// <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 VisitVAR([NotNull] CalcParser.VARContext context) { return(VisitChildren(context)); }