[ragel-users] Breaking out of a scanner

[Adrian Thurston]

Matthieu Tourne wrote:
> But I run into other problems, for example if a tag is split across two 
> different buffers, it won't be correctly identified.
> For instance if </body> is across two buffers, it'll go into tag_start 
> on the '<', but when the next buffer comes in it will try to match 'dy>' 
> as an email.

Sorry for the delay!

So this is something that you have to sort out yourself in Ragel. The 
reasoning is that there are many different ways to deal with tokens when 
they can cross buffer boundaries and rather than commit to a particular 
one, ragel lets you choose. This approach lets Ragel be useful in a 
restricted environments. Please see section 6.3 in the manual for more 
info on the problem.

Adrian

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