public override Double VisitSetVariable(CalculatorParser.SetVariableContext ctx)
{
Double value = Visit(ctx.plusOrMinus());
variables.Add(ctx.ID().GetText(), value);
return(value);
}
/// <summary>
/// Visita el nodo correspondiente a la asignación de variables
/// </summary>
/// <param name="context">Variable de contexto</param>
/// <returns>Devuelve el valor de la variable tras ser asignada</returns>
public override double VisitSetVariable(CalculatorParser.SetVariableContext context)
{
string id = context.ID().GetText();
double val = Visit(context.setVar());
if (memory.FirstOrDefault(m => m.Key == id).Key == null)
{
memory.Add(id, val);
}
else
{
memory[id] = val;
}
return(val);
}
/// <summary>
/// Visit a parse tree produced by the <c>SetVariable</c>
/// labeled alternative in <see cref="CalculatorParser.setVar"/>.
/// <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 VisitSetVariable([NotNull] CalculatorParser.SetVariableContext context)
{
return(VisitChildren(context));
}
