public override MurMurVariable VisitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context) { string text = context.GetText(); if (float.TryParse(text, out float value)) { return(new MurMurVariable(value)); } else { throw new MurMurException("Cannot parse " + text + " into a float", context.start.Line); } }
/// <summary> /// Visit a parse tree produced by the <c>numberExpression</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 VisitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by the <c>numberExpression</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 ExitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context) { }