public WhereContext where () {
WhereContext _localctx = new WhereContext(Context, State);
EnterRule(_localctx, 2, RULE_where);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
UseFullText(true);
State = 43;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 2, Context);
while (_alt != 1 && _alt != global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER)
{
if (_alt == 1 + 1)
{
{
{
State = 40; any();
}
}
}
State = 45;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 2, Context);
}
UseFullText(false);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
ExitRule();
}
return(_localctx);
}
private static async Task _enumerate(AsyncEnumerator <TSource> .Yield yield, WhereContext <TSource> context)
{
using (var enumerator = await context.Source.GetAsyncEnumeratorAsync(yield.CancellationToken).ConfigureAwait(false))
{
while (await enumerator.MoveNextAsync(yield.CancellationToken).ConfigureAwait(false))
{
if (context.Predicate(enumerator.Current))
{
await yield.ReturnAsync(enumerator.Current).ConfigureAwait(false);
}
}
}
}
private static async Task _enumerate(AsyncEnumerator <TSource> .Yield yield, WhereContext <TSource> context)
{
try
{
while (await context.Source.MoveNextAsync(yield.CancellationToken).ConfigureAwait(false))
{
if (context.Predicate(context.Source.Current))
{
await yield.ReturnAsync(context.Source.Current).ConfigureAwait(false);
}
}
}
finally
{
if (context.DisposeSource)
{
context.Source.Dispose();
}
}
}