| YYFIX(1) | General Commands Manual | YYFIX(1) |
yyfix — extract
tables from y.tab.c
yyfix |
file [tables] |
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 are different from those of historical versions of
yacc, 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).
The yyfix command first appeared in
4.4BSD.
| November 15, 2014 | openbsd |