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Receiving fatal flex scanner error



Hi All,

 

I have been using flex (2.5.4-version) for lexical analysis of some files.

 

For a set of file I am getting following error:

 

“fatal flex scanner internal error--end of buffer missed”

 

I have also check the same with 2.5.35 version. It also flags same error.

 

Is anyone aware of such bug being fixed in any patch.

 

 

I have also attached the small lex file and fileset causing the problem.

 

flex app.l

g++ lex.yy.c

./a.out file1 file2

 

Intent of Lex file:

It is a simple lex file having simple patterns. There is just a special handling for single line c-style comments “//”. Upon matching “//” I am eating up all characters till newline or file change using yyinput.

 

Input file set:

File1: last line contains a comment not containing “\n” character.

File2: Has very big comment

 

Thanks & Regards,

Harpreet Singh

 

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Attachment: file2
Description: file2

Attachment: app.l
Description: app.l

Attachment: file1
Description: file1


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