public override object VisitLinea(StdAssemblerParser.LineaContext context)
{
StdToken token;
try
{
if (context.exception != null)
{
throw new Exception("Error de sintáxis: Instrucción no válida");
}
if (context.inicio() != null)
{
return(Visit(context.inicio()));
}
else if (context.proposiciones() != null)
{
return(Visit(context.proposiciones()));
}
else if (context.fin() != null)
{
return(Visit(context.fin()));
}
else if (context.NL() != null)
{
token = new StdToken()
{
IsEmpty = true
};
TokenList.Add(token);
return(token);
}
else
{
token = new StdToken()
{
Address = count,
StepOneError = "Error de sintáxis: Instrucción no válida"
};
TokenList.Add(token);
return(token);
}
}
catch (NullReferenceException)
{
token = new StdToken()
{
Address = count,
StepOneError = "Error de sintáxis: Instrucción no válida",
};
TokenList.Add(token);
return(token);
}
catch (Exception ex)
{
token = new StdToken()
{
Address = count,
StepOneError = ex.Message
};
TokenList.Add(token);
return(token);
}
}
/// <summary>
/// Exit a parse tree produced by <see cref="StdAssemblerParser.linea"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitLinea([NotNull] StdAssemblerParser.LineaContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="StdAssemblerParser.linea"/>.
/// <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 VisitLinea([NotNull] StdAssemblerParser.LineaContext context)
{
return(VisitChildren(context));
}
