//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) { }