/// <summary>
/// Visita el nodo correspondiente a una variable
/// </summary>
/// <param name="context">Variable de contexto</param>
/// <returns>Se devuelve el valor de la variable</returns>
public override double VisitVariable(CalculatorParser.VariableContext context)
{
string id = context.ID().GetText();
double val = 0;
if (memory.FirstOrDefault(m => m.Key == id).Key == null)
{
memory.Add(id, val);
}
else
{
val = memory[id];
}
return(val);
}
public override Double VisitVariable(CalculatorParser.VariableContext ctx)
{
//return variablesctx.ID().GetText());
return(variables[ctx.ID().GetText()]);
}
/// <summary>
/// Visit a parse tree produced by <see cref="CalculatorParser.variable"/>.
/// <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 VisitVariable([NotNull] CalculatorParser.VariableContext context)
{
return(VisitChildren(context));
}
