1BISON(1)                         User Commands                        BISON(1)
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NAME

6       bison - GNU Project parser generator (yacc replacement)
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SYNOPSIS

9       bison [OPTION]... FILE
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DESCRIPTION

12       Bison  is  a  parser  generator  in the style of yacc(1).  It should be
13       upwardly compatible with input files designed for yacc.
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15       Input files should follow the yacc convention of ending in .y.   Unlike
16       yacc,  the generated files do not have fixed names, but instead use the
17       prefix of the input file.  Moreover, if you need to put C++ code in the
18       input  file,  you  can  end  his  name by a C++-like extension (.ypp or
19       .y++), then bison will follow your extension to name  the  output  file
20       (.cpp  or  .c++).   For  instance,  a  grammar  description  file named
21       parse.yxx  would  produce  the  generated  parser  in  a   file   named
22       parse.tab.cxx,  instead  of  yacc's  y.tab.c  or  old  Bison  version's
23       parse.tab.c.
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25       This description of the options that can be given to bison  is  adapted
26       from  the  node Invocation in the bison.texinfo manual, which should be
27       taken as authoritative.
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29       Bison supports both traditional single-letter options and mnemonic long
30       option  names.   Long  option names are indicated with -- instead of -.
31       Abbreviations for option names are allowed as long as they are  unique.
32       When  a  long option takes an argument, like --file-prefix, connect the
33       option name and the argument with =.
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35       Generate LALR(1) and GLR parsers.
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37       Mandatory arguments to long options are  mandatory  for  short  options
38       too.  The same is true for optional arguments.
39
40   Operation modes:
41       -h, --help
42              display this help and exit
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44       -V, --version
45              output version information and exit
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47       --print-localedir
48              output directory containing locale-dependent data
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50       --print-datadir
51              output directory containing skeletons and XSLT
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53       -y, --yacc
54              emulate POSIX Yacc
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56       -W, --warnings[=CATEGORY]
57              report the warnings falling in CATEGORY
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59   Parser:
60       -L, --language=LANGUAGE
61              specify the output programming language (this is an experimental
62              feature)
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64       -S, --skeleton=FILE
65              specify the skeleton to use
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67       -t, --debug
68              instrument the parser for debugging
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70       --locations
71              enable locations computation
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73       -p, --name-prefix=PREFIX
74              prepend PREFIX to the external symbols
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76       -l, --no-lines
77              don't generate `#line' directives
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79       -k, --token-table
80              include a table of token names
81
82   Output:
83       --defines[=FILE]
84              also produce a header file
85
86       -d     likewise but cannot specify FILE (for POSIX Yacc)
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88       -r, --report=THINGS
89              also produce details on the automaton
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91       --report-file=FILE
92              write report to FILE
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94       -v, --verbose
95              same as `--report=state'
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97       -b, --file-prefix=PREFIX
98              specify a PREFIX for output files
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100       -o, --output=FILE
101              leave output to FILE
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103       -g, --graph[=FILE]
104              also output a graph of the automaton
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106       -x, --xml[=FILE]
107              also output an XML report of the automaton (the  XML  schema  is
108              experimental)
109
110   Warning categories include:
111       `midrule-values'
112              unset or unused midrule values
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114       `yacc' incompatibilities with POSIX YACC
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116       `all'  all the warnings
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118       `no-CATEGORY'
119              turn off warnings in CATEGORY
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121       `none' turn off all the warnings
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123       `error'
124              treat warnings as errors
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126   THINGS is a list of comma separated words that can include:
127       `state'
128              describe the states
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130       `itemset'
131              complete the core item sets with their closure
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133       `lookahead'
134              explicitly associate lookahead tokens to items
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136       `solved'
137              describe shift/reduce conflicts solving
138
139       `all'  include all the above information
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141       `none' disable the report
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AUTHOR

144       Written by Robert Corbett and Richard Stallman.
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REPORTING BUGS

147       Report bugs to <bug-bison@gnu.org>.
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COPYRIGHT

150       Copyright © 2010 Free Software Foundation, Inc.
151       This is free software; see the source for copying conditions.  There is
152       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR
153       PURPOSE.
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SEE ALSO

156       lex(1), flex(1), yacc(1).
157
158       The full documentation for bison is maintained as a Texinfo manual.  If
159       the info and bison programs are properly installed at  your  site,  the
160       command
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162              info bison
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164       should give you access to the complete manual.
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168bison 2.4.3                       August 2010                         BISON(1)