bison


SYNOPSIS
       bison [OPTION]... FILE

DESCRIPTION
       Bison  is  a  parser  generator  in the style of yacc(1).  It should be
       upwardly compatible with input files designed for yacc.

       Input files should follow the yacc convention of ending in .y.   Unlike
       yacc,  the generated files do not have fixed names, but instead use the
       prefix of the input file.  Moreover, if you need to put C++ code in the
       input  file,  you  can  end  his  name by a C++-like extension (.ypp or
       .y++), then bison will follow your extension to name  the  output  file
       (.cpp  or  .c++).   For  instance,  a  grammar  description  file named
       parse.yxx  would  produce  the  generated  parser  in  a   file   named
       parse.tab.cxx,  instead  of  yacc's  y.tab.c  or  old  Bison  version's
       parse.tab.c.

       This description of the options that can be given to bison  is  adapted
       from  the  node Invocation in the bison.texinfo manual, which should be
       taken as authoritative.

       Bison supports both traditional single-letter options and mnemonic long
       option  names.   Long  option names are indicated with -- instead of -.
       Abbreviations for option names are allowed as long as they are  unique.
       When  a  long option takes an argument, like --file-prefix, connect the
       option name and the argument with =.

       Generate a deterministic LR or generalized LR  (GLR)  parser  employing
       LALR(1), IELR(1), or canonical LR(1) parser tables.  IELR(1) and canon-
       ical LR(1) support is experimental.

       Mandatory arguments to long options are  mandatory  for  short  options
       too.  The same is true for optional arguments.

   Operation modes:
       -h, --help
              display this help and exit

       -V, --version
              output version information and exit

       --print-localedir
              output directory containing locale-dependent data

       --print-datadir
              output directory containing skeletons and XSLT

       -y, --yacc
              emulate POSIX Yacc

       -W, --warnings[=CATEGORY]
              report the warnings falling in CATEGORY

              enable location support

       -D, --define=NAME[=VALUE]
              similar to `%define NAME "VALUE"'

       -F, --force-define=NAME[=VALUE]
              override `%define NAME "VALUE"'

       -p, --name-prefix=PREFIX
              prepend PREFIX to the external symbols

       -l, --no-lines
              don't generate `#line' directives

       -k, --token-table
              include a table of token names

   Output:
       --defines[=FILE]
              also produce a header file

       -d     likewise but cannot specify FILE (for POSIX Yacc)

       -r, --report=THINGS
              also produce details on the automaton

       --report-file=FILE
              write report to FILE

       -v, --verbose
              same as `--report=state'

       -b, --file-prefix=PREFIX
              specify a PREFIX for output files

       -o, --output=FILE
              leave output to FILE

       -g, --graph[=FILE]
              also output a graph of the automaton

       -x, --xml[=FILE]
              also output an XML report of the automaton (the  XML  schema  is
              experimental)

   Warning categories include:
       `midrule-values'
              unset or unused midrule values

       `yacc' incompatibilities with POSIX Yacc

       `conflicts-sr'
              S/R conflicts (enabled by default)


       `error'
              treat warnings as errors

   THINGS is a list of comma separated words that can include:
       `state'
              describe the states

       `itemset'
              complete the core item sets with their closure

       `lookahead'
              explicitly associate lookahead tokens to items

       `solved'
              describe shift/reduce conflicts solving

       `all'  include all the above information

       `none' disable the report

AUTHOR
       Written by Robert Corbett and Richard Stallman.

REPORTING BUGS
       Report bugs to <bug-bison@gnu.org>.

COPYRIGHT
       Copyright (C) 2011 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR
       PURPOSE.

SEE ALSO
       lex(1), flex(1), yacc(1).

       The full documentation for bison is maintained as a Texinfo manual.  If
       the info and bison programs are properly installed at  your  site,  the
       command

              info bison

       should give you access to the complete manual.



bison 2.5                          May 2011                           BISON(1)
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