[lucy-issues] [jira] [Resolved] (LUCY-327) t/core/035-json.t aborts when compiled with lemon 3.22.0

["Nick Wellnhofer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCY-327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Wellnhofer resolved LUCY-327.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 0.6.2
                   0.7.0

This was a bug in Lucy. Fixed here:

[https://git1-us-west.apache.org/repos/asf?p=lucy.git;a=commitdiff;h=e011b963e34890921f87942d0073b56a81e2c6cf]

And in the 0.6 branch:

[https://git1-us-west.apache.org/repos/asf?p=lucy.git;a=commitdiff;h=3a9128ce1f957140a14ad1aaf0bc7bdcfe41f9b5]

Thanks for the report!

> t/core/035-json.t aborts when compiled with lemon 3.22.0
> --------------------------------------------------------
>
>                 Key: LUCY-327
>                 URL: https://issues.apache.org/jira/browse/LUCY-327
>             Project: Lucy
>          Issue Type: Bug
>          Components: Perl bindings
>    Affects Versions: 0.6.1
>            Reporter: Petr Pisar
>            Priority: Minor
>             Fix For: 0.7.0, 0.6.2
>
>
> When building Lucy-0.6.1 using lemon-3.22.0, t/core/035-json.t aborts:
> {noformat}
> t/core/033-index_file_names.t ......... ok
> perl: cfcore/Lucy/Util/Json/JsonParser.c:681: yy_find_shift_action: Assertion `iLookAhead < YYNTOKEN' failed.
> t/core/035-json.t ..................... 
> Failed 43/135 subtests 
> {noformat}
> This does not happen with lemon-3.20.1.
> The generated yy_find_shift_action() function has changed like this:
> {noformat}
> @@ -617,13 +669,18 @@ static unsigned int yy_find_shift_action
>    int i;
>    int stateno = pParser->yytos->stateno;
>   
> -  if( stateno>=YY_MIN_REDUCE ) return stateno;
> +  if( stateno>YY_MAX_SHIFT ) return stateno;
>    assert( stateno <= YY_SHIFT_COUNT );
> +#if defined(YYCOVERAGE)
> +  yycoverage[stateno][iLookAhead] = 1;
> +#endif
>    do{
>      i = yy_shift_ofst[stateno];
> +    assert( i>=0 && i+YYNTOKEN<=sizeof(yy_lookahead)/sizeof(yy_lookahead[0]) );
>      assert( iLookAhead!=YYNOCODE );
> +    assert( iLookAhead < YYNTOKEN );
>      i += iLookAhead;
> -    if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
> +    if( yy_lookahead[i]!=iLookAhead ){
>  #ifdef YYFALLBACK
>        YYCODETYPE iFallback;            /* Fallback token */
>        if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
> {noformat}
> I don't know if this is a bug in the lemon or Lucy. sqlite-3.22.0 changelog only mentions lemon performance improvements. I believe this is in issue in the lemon, but I think you should know about that.



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