public Literal(TParser.LiteralContext ctx, IToken parseNode) : base(parseNode.ToPosition()) { var token = ctx.Start; Value = token.Type switch { TParser.StringLiteral => token.Text.Substring(1, token.Text.Length - 2), TParser.BooleanLiteral => token.Text == "verdadero", TParser.DecimalLiteral => double.Parse(token.Text), TParser.NaN => double.NaN, TParser.NullLiteral => null, _ => null }; }
/// <summary> /// Visit a parse tree produced by the <c>Literal</c> /// labeled alternative in <see cref="TParser.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 VisitLiteral([NotNull] TParser.LiteralContext context) { return(VisitChildren(context)); }
public override Node VisitLiteral(TParser.LiteralContext context) { return(new Literal(context, context.Start)); }
/// <summary> /// Exit a parse tree produced by the <c>Literal</c> /// labeled alternative in <see cref="TParser.expression"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitLiteral([NotNull] TParser.LiteralContext context) { }