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yyfix.1 (3151B)


      1 .\"	$OpenBSD: yyfix.1,v 1.6 2014/11/15 14:41:02 bentley Exp $
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     29 .\"     from: @(#)yyfix.1	5.4 (Berkeley) 3/23/93
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     31 .Dd $Mdocdate: November 15 2014 $
     32 .Dt YYFIX 1
     33 .Os
     34 .Sh NAME
     35 .Nm yyfix
     36 .Nd extract tables from y.tab.c
     37 .Sh SYNOPSIS
     38 .Nm yyfix
     39 .Ar file
     40 .Op Ar tables
     41 .Sh DESCRIPTION
     42 Programs have historically used a script (often named
     43 .Pa :yyfix )
     44 to extract tables from the
     45 .Xr yacc 1
     46 generated file
     47 .Pa y.tab.c .
     48 As the names of the tables generated by the current version of yacc
     49 are different from those of historical versions of yacc,
     50 the shell script
     51 .Nm yyfix
     52 is provided to simplify the transition.
     53 .Pp
     54 The first (and required) argument to
     55 .Nm yyfix
     56 is the name of the file where the extracted tables should be stored.
     57 .Pp
     58 If further command line arguments are specified, they are taken as
     59 the list of tables to be extracted.
     60 Otherwise,
     61 .Nm yyfix
     62 attempts to determine if the
     63 .Pa y.tab.c
     64 file is from an old or new
     65 .Xr yacc 1 ,
     66 and extracts the appropriate tables.
     67 .Pp
     68 The tables
     69 .Dq yyexca ,
     70 .Dq yyact ,
     71 .Dq yypact ,
     72 .Dq yypgo ,
     73 .Dq yyr1 ,
     74 .Dq yyr2 ,
     75 .Dq yychk ,
     76 and
     77 .Dq yydef
     78 are extracted
     79 from historical versions of
     80 .Xr yacc 1 .
     81 .Pp
     82 The tables
     83 .Dq yylhs ,
     84 .Dq yylen ,
     85 .Dq yydefred ,
     86 .Dq yydgoto ,
     87 .Dq yysindex ,
     88 .Dq yyrindex ,
     89 .Dq yygindex ,
     90 .Dq yytable ,
     91 .Dq yyname ,
     92 .Dq yyrule ,
     93 and
     94 .Dq yycheck ,
     95 are extracted from the current version of
     96 .Xr yacc 1 .
     97 .Sh FILES
     98 .Bl -tag -width y.tab.c
     99 .It Pa y.tab.c
    100 File from which tables are extracted.
    101 .El
    102 .Sh SEE ALSO
    103 .Xr yacc 1
    104 .Sh HISTORY
    105 The
    106 .Nm
    107 command first appeared in
    108 .Bx 4.4 .