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NAME    [Toc]    [Back]

     yyfix -- extract tables from y.tab.c

SYNOPSIS    [Toc]    [Back]

     yyfix file [tables]

DESCRIPTION    [Toc]    [Back]

     Programs have historically used a script (often named ``:yyfix'') to
     extract tables from the yacc(1) generated file y.tab.c.  As the names of
     the tables generated by the current version of yacc(1) are different from
     those of historical versions of yacc(1), the shell script yyfix is provided
 to simplify the transition.

     The first (and required) argument to yyfix is the name of the file where
     the extracted tables should be stored.

     If further command line arguments are specified, they are taken as the
     list of tables to be extracted.  Otherwise, yyfix attempts to determine
     if the y.tab.c file is from an old or new yacc(1), and extracts the
     appropriate tables.

     The tables ``yyexca'', ``yyact'', ``yypact'', ``yypgo'', ``yyr1'',
     ``yyr2'', ``yychk'', and ``yydef'' are extracted from historical versions
     of yacc(1).

     The tables ``yylhs'', ``yylen'', ``yydefred'', ``yydgoto'', ``yysindex'',
     ``yyrindex'', ``yygindex'', ``yytable'', ``yyname'', ``yyrule'', and
     ``yycheck'', are extracted from the current version of yacc(1).

FILES    [Toc]    [Back]

     y.tab.c  File from which tables are extracted.

SEE ALSO    [Toc]    [Back]


HISTORY    [Toc]    [Back]

     The yyfix command first appeared in 4.4BSD.

FreeBSD 5.2.1			March 23, 1993			 FreeBSD 5.2.1
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