Kristian Høgsberg <k...@bitplanet.net> writes: > Oh, I should have read the rest of the page - there's %option warn to > go with nodefault: > > warn about certain things. In particular, if the default rule can > be matched but no default rule has been given, the flex will warn > you. We recommend using this option always. > > which looks like flex can detect this condition at compile time and > warn about it.
Thanks, Kristian! That's a very handy feature, and yes, it does work like you hoped. Flex can tell us at compile-time whether the set of rules we have will cover all characters and in all start conditions. I've just sent a little series of 4 patches to add these options to both glcpp and the main glsl compiler. (I would have sent them as replies, but I botched the git-send-email command yet again and they went out already). -Carl -- carl.d.wo...@intel.com
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