| 1 | .\" Copyright (c) 1990, 1991 The Regents of the University of California.
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| 2 | .\" All rights reserved.
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| 3 | .\"
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| 4 | .\" Redistribution and use in source and binary forms, with or without
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| 5 | .\" modification, are permitted provided that the following conditions
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| 6 | .\" are met:
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| 7 | .\" 1. Redistributions of source code must retain the above copyright
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| 8 | .\" notice, this list of conditions and the following disclaimer.
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| 9 | .\" 2. Redistributions in binary form must reproduce the above copyright
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| 10 | .\" notice, this list of conditions and the following disclaimer in the
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| 11 | .\" documentation and/or other materials provided with the distribution.
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| 12 | .\" 3. All advertising materials mentioning features or use of this software
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| 13 | .\" must display the following acknowledgement:
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| 14 | .\" This product includes software developed by the University of
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| 15 | .\" California, Berkeley and its contributors.
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| 16 | .\" 4. Neither the name of the University nor the names of its contributors
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| 17 | .\" may be used to endorse or promote products derived from this software
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| 18 | .\" without specific prior written permission.
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| 19 | .\"
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| 20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 30 | .\" SUCH DAMAGE.
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| 31 | .\"
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| 32 | .\" @(#)yyfix.1 5.4 (Berkeley) 3/23/93
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| 33 | .\" $FreeBSD: src/usr.bin/yacc/yyfix.1,v 1.7 2002/11/26 15:34:18 ru Exp $
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| 34 | .\"
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| 35 | .Dd March 23, 1993
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| 36 | .Dt YYFIX 1
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| 37 | .Os
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| 38 | .Sh NAME
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| 39 | .Nm yyfix
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| 40 | .Nd extract tables from y.tab.c
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| 41 | .Sh SYNOPSIS
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| 42 | .Nm
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| 43 | .Ar file
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| 44 | .Op Ar tables
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| 45 | .Sh DESCRIPTION
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| 46 | Programs have historically used a script (often named
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| 47 | .Dq :yyfix )
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| 48 | to extract tables from the
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| 49 | .Xr yacc 1
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| 50 | generated file
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| 51 | .Pa y.tab.c .
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| 52 | As the names of the tables generated by the current version of
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| 53 | .Xr yacc 1
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| 54 | are different from those of historical versions of
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| 55 | .Xr yacc 1 ,
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| 56 | the shell script
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| 57 | .Nm
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| 58 | is provided to simplify the transition.
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| 59 | .Pp
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| 60 | The first (and required) argument to
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| 61 | .Nm
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| 62 | is the name of the file where the extracted tables should be stored.
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| 63 | .Pp
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| 64 | If further command line arguments are specified, they are taken as
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| 65 | the list of tables to be extracted.
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| 66 | Otherwise,
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| 67 | .Nm
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| 68 | attempts to determine if the
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| 69 | .Pa y.tab.c
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| 70 | file is from an old or new
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| 71 | .Xr yacc 1 ,
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| 72 | and extracts the appropriate tables.
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| 73 | .Pp
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| 74 | The tables
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| 75 | .Dq yyexca ,
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| 76 | .Dq yyact ,
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| 77 | .Dq yypact ,
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| 78 | .Dq yypgo ,
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| 79 | .Dq yyr1 ,
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| 80 | .Dq yyr2 ,
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| 81 | .Dq yychk ,
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| 82 | and
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| 83 | .Dq yydef
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| 84 | are extracted
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| 85 | from historical versions of
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| 86 | .Xr yacc 1 .
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| 87 | .Pp
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| 88 | The tables
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| 89 | .Dq yylhs ,
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| 90 | .Dq yylen ,
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| 91 | .Dq yydefred ,
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| 92 | .Dq yydgoto ,
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| 93 | .Dq yysindex ,
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| 94 | .Dq yyrindex ,
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| 95 | .Dq yygindex ,
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| 96 | .Dq yytable ,
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| 97 | .Dq yyname ,
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| 98 | .Dq yyrule ,
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| 99 | and
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| 100 | .Dq yycheck ,
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| 101 | are extracted from the current version of
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| 102 | .Xr yacc 1 .
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| 103 | .Sh FILES
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| 104 | .Bl -tag -width y.tab.c
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| 105 | .It Pa y.tab.c
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| 106 | File from which tables are extracted.
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| 107 | .El
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| 108 | .Sh SEE ALSO
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| 109 | .Xr yacc 1
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| 110 | .Sh HISTORY
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| 111 | The
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| 112 | .Nm
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| 113 | command first appeared in
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| 114 | .Bx 4.4 .
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