[antlr-interest] Re: circular token buffer and overriding nextToken()
lgcraymer
lgc at mail1.jpl.nasa.gov
Sun Oct 12 00:08:46 PDT 2003
--- In antlr-interest at yahoogroups.com, "micheal_jor" <open.zone at v...>
wrote:
> The TokenStream interface itself has a single method - nextToken().
It
> is called repeatedly until it returns an EOF token. Simple enough.
The
> implementation of nextToken() in generated lexers is non-virtual for
> C++ & C# (also for Java I think). Which suggests it isn't [really]
No, not for Java. In Java, all methods are "virtual" (see 8.6.4.1 in
the language spec).
> intended/expected to be overridden.
In ANTLR 1, all generated C++ methods were virtual so that they could
be overridden. I think that's more the expectation still.
Ter--maybe you want to comment?
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