public static IList <Chainable> GetChainables(
EsperEPL2GrammarParser.ChainableElementsContext ctx,
IDictionary <ITree, ExprNode> astExprNodeMap)
{
IList <Chainable> chain = new List <Chainable>();
AddChainablesInternal(ctx, astExprNodeMap, chain);
return(chain);
}
public static void AddChainablesInternal(
EsperEPL2GrammarParser.ChainableElementsContext ctx,
IDictionary <ITree, ExprNode> astExprNodeMap,
IList <Chainable> chain)
{
foreach (var context in ctx.chainableAtomicWithOpt())
{
var optionalChainable = context.q != null;
var atomic = context.chainableAtomic();
Chainable chainable;
if (atomic.chainableArray() != null)
{
var @params = ASTExprHelper.ExprCollectSubNodes(atomic.chainableArray(), 0, astExprNodeMap);
chainable = new ChainableArray(false, optionalChainable, @params);
}
else
{
chainable = GetChainable(context.chainableAtomic().chainableWithArgs(), optionalChainable, astExprNodeMap);
}
chain.Add(chainable);
}
}
public static bool HasChain(EsperEPL2GrammarParser.ChainableElementsContext ctx)
{
return(ctx != null && !ctx.chainableAtomicWithOpt().IsEmpty());
}
