public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
var targetValue = EvaluateAst(indexExpressionAst.Target);
int index = (int)EvaluateAst(indexExpressionAst.Index);
var stringTargetValue = targetValue as string;
if (stringTargetValue != null)
{
var result = stringTargetValue[index];
this._pipelineCommandRuntime.WriteObject(result);
}
else if (targetValue is IList)
{
var result = (targetValue as IList)[index];
this._pipelineCommandRuntime.WriteObject(result);
}
else
{
throw new NotImplementedException(indexExpressionAst.ToString() + " " + targetValue.GetType());
}
return(AstVisitAction.SkipChildren);
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
Console.WriteLine("Visited an IndexExpressionAst.");
Console.WriteLine(" " + indexExpressionAst.ToString().Replace(Environment.NewLine, Environment.NewLine + " "));
return(AstVisitAction.Continue);
}