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Turn off re2c:eof = 0 #254

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terpstra opened this issue Aug 5, 2019 · 3 comments

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@terpstra
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commented Aug 5, 2019

I have a .re file with several different lexers in it.

Some of them use the new 're2c:eof = 0' feature. However, some of them use the 'sentinel method' with no need to YYFILL. As far as I can tell, once you turn on 're2c:eof = 0', it stays on for the rest of the file. I worked around this by putting all my 'sentinel method' lexers at the top of the file and then all the 'EOF rule' parsers at the bottom.

If there is already a method 'unset' EOF mode, it should be documented somewhere. If there is not, it should be added.

skvadrik added a commit that referenced this issue Aug 5, 2019

@skvadrik
Allow to reset 're2c:eof' configuration. 
The ability to reset this configuration is necessary in order to be able to
mix re2c blocks that use EOF rule and blocks that don't.

This fixes bug #254: "Turn off re2c:eof".
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2715620
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commented Aug 5, 2019 •
edited

All true, well spotted!

I added the ability to reset re2c:eof by setting it to a negative value -1 (2715620), and updated the manpage and online docs (search for re2c:eof description among other configurations).
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commented Aug 5, 2019

Great!
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commented Aug 11, 2019

Released re2c-1.2.1 with the fix. Closing the bug.

@skvadrik skvadrik closed this Aug 11, 2019

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@terpstra @skvadrik
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