bug in scan-skel.l

[martin nylin]

Hi

I am testing bison 2.0 on cygwin and has found a bug in scan-skel.l. This bug 
causes 122 test cases to fail with the error message:

fatal error: invalid token in skeleton: @output @output_parser_name@

The mistake is in line 50 of scan-skel.l:

yytext[yyleng - 1] = '\0';

Where the programmer did not consider the fact that windoze uses two characters 
to represent end of line. I have no patch ready, but I assume the nicest 
solution would be to add something like this to system.h:

#ifdef _WIN32
   #define NUMBER_OF_EOL_CHARACTERS 2
#else
   #define NUMBER_OF_EOL_CHARACTERS 1
#endif

and then modify line 50 in scan-skel.l to:

yytext[yyleng - NUMBER_OF_EOL_CHARACTERS] = '\0';

What to do think? At least it resolves my problem.

Regards
Martin

http://www.nosoftwarepatents.com/

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