//When a value is returned from a function.
public override object VisitStat_return([NotNull] algoParser.Stat_returnContext context)
{
//Evaluate the expression to return.
AlgoValue toReturn;
if (context.expr() != null)
{
toReturn = (AlgoValue)VisitExpr(context.expr());
}
else
{
toReturn = new AlgoValue()
{
Type = AlgoValueType.Null,
Value = null
};
}
//Return it.
return(toReturn);
}
/// <summary>
/// Visit a parse tree produced by <see cref="algoParser.stat_return"/>.
/// <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 VisitStat_return([NotNull] algoParser.Stat_returnContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="algoParser.stat_return"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitStat_return([NotNull] algoParser.Stat_returnContext context)
{
}