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| Related articles |
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| Pondering the future of lexical analysis clint@0lsen.net (Clint Olsen) (2002-10-18) |
| Re: Pondering the future of lexical analysis jmcenerney@austin.rr.com (John McEnerney) (2002-10-20) |
| Re: Pondering the future of lexical analysis snicol@apk.net (Scott Nicol) (2002-10-20) |
| Re: Pondering the future of lexical analysis whopkins@alpha2.csd.uwm.edu (Mark) (2002-10-20) |
| Re: Pondering the future of lexical analysis arnold@skeeve.com (Aharon Robbins) (2002-10-20) |
| From: | "Aharon Robbins" <arnold@skeeve.com> |
| Newsgroups: | comp.compilers |
| Date: | 20 Oct 2002 22:54:16 -0400 |
| Organization: | Pioneer Consulting, Ltd. |
| References: | 02-10-068 |
| Keywords: | lex |
| Posted-Date: | 20 Oct 2002 22:54:16 EDT |
The moderator nattered:
>[I know there are Unicode versions of lex, such as the one from plan
>9. And yes, you only need to store valid transitions. One technique
>is to store the highest and lowest valid tokens in each state and a
>vector of transitions [lowest,highest]. -John]
I seem to recall from the 9fans list (comp.os.plan9) that the Plan 9
lex actually doesn't do Unicode; noone at Bell Labs bothered to update it.
They seem to prefer hand-written scanners.
I expect a google search could clarify the matter.
Arnold
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Aharon (Arnold) Robbins --- Pioneer Consulting Ltd. arnold@skeeve.com
P.O. Box 354 Home Phone: +972 8 979-0381 Fax: +1 928 569 9018
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D.N. Shimshon 99785 ISRAEL
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