1.\" $OpenBSD: yyfix.1,v 1.6 2014/11/15 14:41:02 bentley Exp $ 2.\" Copyright (c) 1990, 1991 The Regents of the University of California. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. Neither the name of the University nor the names of its contributors 14.\" may be used to endorse or promote products derived from this software 15.\" without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.\" from: @(#)yyfix.1 5.4 (Berkeley) 3/23/93 30.\" 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 42Programs have historically used a script (often named 43.Pa :yyfix ) 44to extract tables from the 45.Xr yacc 1 46generated file 47.Pa y.tab.c . 48As the names of the tables generated by the current version of yacc 49are different from those of historical versions of yacc, 50the shell script 51.Nm yyfix 52is provided to simplify the transition. 53.Pp 54The first (and required) argument to 55.Nm yyfix 56is the name of the file where the extracted tables should be stored. 57.Pp 58If further command line arguments are specified, they are taken as 59the list of tables to be extracted. 60Otherwise, 61.Nm yyfix 62attempts to determine if the 63.Pa y.tab.c 64file is from an old or new 65.Xr yacc 1 , 66and extracts the appropriate tables. 67.Pp 68The tables 69.Dq yyexca , 70.Dq yyact , 71.Dq yypact , 72.Dq yypgo , 73.Dq yyr1 , 74.Dq yyr2 , 75.Dq yychk , 76and 77.Dq yydef 78are extracted 79from historical versions of 80.Xr yacc 1 . 81.Pp 82The 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 , 93and 94.Dq yycheck , 95are 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 100File from which tables are extracted. 101.El 102.Sh SEE ALSO 103.Xr yacc 1 104.Sh HISTORY 105The 106.Nm 107command first appeared in 108.Bx 4.4 . 109