Ensure that only the tokens needed are fetched

[TristonianJones]

Update the Go and Java runtimes to match the C++ runtime for syncing to only the tokens needed
to read the text from the supplied interval.

The fill() methods search for EOF as a signal to conclude the token syncing; however, when there
is an errant input, EOF may be missing and this can result in fill() re-reading the entire token stream
for each error encountered in the input. As such fill() has been replaced with sync() calls which
provide equivalent functionality.

Signed-off-by: Tristan Swadell tswadell@google.com

[parrt]

Seems harmless enough and if it's mimicking C++ seems OK. Is the continuous integration system down @ericvergnaud ?

[KvanTTT]

There are some problems with self-hosted CI again on not Windows platforms.

[parrt]

@ericvergnaud can you kick the CI? Seems like github actions, at least self hosted, are unreliable. I guess that means that if we bought some fancy server in the cloud it we have the same problem right?

[KvanTTT]

They are already fine at least here: #3725. Is it possible just to restart the build?

[KvanTTT]

I guess that means that if we bought some fancy server in the cloud it we have the same problem right?

Yes, I guess it's more reliable and preferable option.

[parrt]

I restarted failed jobs.

[parrt]

oh and now it says all fine. that was fast. maybe too fast. haha