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[Bug] Cannot use lookahead with ignorecase [sf#66] #68

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lsf37 opened this Issue Feb 15, 2015 · 5 comments

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lsf37 commented Feb 15, 2015

Reported by tomokiyo on 2004-08-04 20:54 UTC
If I specify a lookahead regex when %ignorecase is
specified, I got the following error (from attached
jflex source):

Reading "Foo.flex"
Exception in thread "main" java.lang.Error: Unkown
expression type 45 in type = 45
content :
foo
at JFlex.SemCheck.length(SemCheck.java:136)
at JFlex.SemCheck.checkLookAhead(SemCheck.java:84)
at JFlex.SemCheck.check(SemCheck.java:61)
at
JFlex.CUP$LexParse$actions.CUP$LexParse$do_action(LexParse.java:1653)
at JFlex.LexParse.do_action(LexParse.java:389)
at
java_cup.runtime.lr_parser.parse(lr_parser.java:569)
at JFlex.Main.generate(Main.java:73)
at JFlex.Main.generate(Main.java:303)
at JFlex.Main.main(Main.java:320)

I'm using JFlex 1.4.

@lsf37 lsf37 changed the title from Cannot use lookahead with ignorecase to [Bug] Cannot use lookahead with ignorecase [sf#66] Feb 15, 2015

@lsf37 lsf37 added this to the jflex bug milestone Feb 15, 2015

@lsf37 lsf37 closed this Feb 15, 2015

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Commented by tomokiyo on 2004-08-04 20:54 UTC
Foo.flex

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lsf37 commented Feb 15, 2015

Commented by tomokiyo on 2004-08-04 20:54 UTC
Foo.flex

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Commented by lsf37 on 2004-10-24 08:55 UTC
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user_id=93534

Thanks for the report.

I've committed a fix for this to the repository. It will be released with the
next version of JFlex.

Gerwin

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lsf37 commented Feb 15, 2015

Commented by lsf37 on 2004-10-24 08:55 UTC
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Thanks for the report.

I've committed a fix for this to the repository. It will be released with the
next version of JFlex.

Gerwin

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Updated by lsf37 on 2004-10-24 08:55 UTC

  • priority: 5 --> 7
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lsf37 commented Feb 15, 2015

Updated by lsf37 on 2004-10-24 08:55 UTC

  • priority: 5 --> 7
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Updated by lsf37 on 2004-10-24 10:22 UTC

  • status: open --> open-fixed
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lsf37 commented Feb 15, 2015

Updated by lsf37 on 2004-10-24 10:22 UTC

  • status: open --> open-fixed
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Updated by lsf37 on 2004-11-07 06:04 UTC

  • status: open-fixed --> closed
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lsf37 commented Feb 15, 2015

Updated by lsf37 on 2004-11-07 06:04 UTC

  • status: open-fixed --> closed

@lsf37 lsf37 added the bug label Feb 17, 2015

@lsf37 lsf37 modified the milestone: jflex bug Feb 17, 2015

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