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115 lines
3.2 KiB
Groff
115 lines
3.2 KiB
Groff
.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)yyfix.1 5.4 (Berkeley) 3/23/93
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.\" $Id$
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.\"
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.Dd March 23, 1993
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.Dt YYFIX 1
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.Os BSD 4.4
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.Sh NAME
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.Nm yyfix
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.Nd extract tables from y.tab.c
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.Sh SYNOPSIS
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.Nm
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.Ar file
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.Op Ar tables
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.Sh DESCRIPTION
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Programs have historically used a script (often named
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.Dq :yyfix )
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to extract tables from the
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.Xr yacc 1
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generated file
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.Pa y.tab.c .
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As the names of the tables generated by the current version of
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.Xr yacc
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are different from those of historical versions of
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.Xr yacc ,
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the shell script
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.Nm
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is provided to simplify the transition.
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.Pp
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The first (and required) argument to
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.Nm
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is the name of the file where the extracted tables should be stored.
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.Pp
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If further command line arguments are specified, they are taken as
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the list of tables to be extracted.
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Otherwise,
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.Nm
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attempts to determine if the
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.Pa y.tab.c
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file is from an old or new
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.Xr yacc ,
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and extracts the appropriate tables.
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.Pp
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The tables
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.Dq yyexca ,
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.Dq yyact ,
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.Dq yypact ,
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.Dq yypgo ,
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.Dq yyr1 ,
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.Dq yyr2 ,
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.Dq yychk ,
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and
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.Dq yydef
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are extracted
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from historical versions of
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.Xr yacc .
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.Pp
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The tables
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.Dq yylhs ,
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.Dq yylen ,
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.Dq yydefred ,
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.Dq yydgoto ,
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.Dq yysindex ,
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.Dq yyrindex ,
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.Dq yygindex ,
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.Dq yytable ,
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.Dq yyname ,
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.Dq yyrule ,
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and
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.Dq yycheck ,
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are extracted from the current version of
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.Xr yacc .
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.Sh FILES
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.Bl -tag -width y.tab.c
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.It Pa y.tab.c
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File from which tables are extracted.
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.El
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.Sh SEE ALSO
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.Xr yacc 1
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.4 .
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