public override MurMurVariable VisitComparissonExpression([NotNull] MurMurParser.ComparissonExpressionContext context) { var signal = context.COMPARISSON_SIGNAL().GetText(); if (signal == "==") { return(new MurMurVariable(Visit(context.expression()[0]) == Visit(context.expression()[1]))); } else if (signal == "!=") { return(new MurMurVariable(Visit(context.expression()[0]) != Visit(context.expression()[1]))); } else { throw new MurMurException(string.Format("Unknown comparisson signal '{0}'", signal), context.start.Line); } }
/// <summary> /// Visit a parse tree produced by the <c>comparissonExpression</c> /// labeled alternative in <see cref="MurMurParser.expression"/>. /// <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 VisitComparissonExpression([NotNull] MurMurParser.ComparissonExpressionContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by the <c>comparissonExpression</c> /// labeled alternative in <see cref="MurMurParser.expression"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitComparissonExpression([NotNull] MurMurParser.ComparissonExpressionContext context) { }