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RedHat 9 (Linux i386) - man page for bison (redhat section 1)

BISON(1)			     General Commands Manual				 BISON(1)

       bison - GNU Project parser generator (yacc replacement)

       bison [ -b file-prefix ] [ --file-prefix=file-prefix ] [ -d ] [ --defines=defines-file ] [
       -g ] [ --graph=graph-file ] [ -k ] [ --token-table ] [ -l ] [ --no-lines ] [ -n ] [  --no-
       parser ] [ -o outfile ] [ --output-file=outfile ] [ -p prefix ] [ --name-prefix=prefix ] [
       -t ] [ --debug ] [ -v ] [ --verbose ] [ -V ] [ --version ] [ -y ] [ --yacc  ]  [  -h  ]	[
       --help ] [ --fixed-output-files ] file

       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  gener-
       ated parser in a file named parse.tab.cxx, instead of yacc's y.tab.c or old Bison versions

       This description of the options that can be given to bison is adapted from the node  Invo-
       cation 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 =.

       -b file-prefix
	      Specify a prefix to use for all bison output file names.	The names are  chosen  as
	      if the input file were named file-prefix.c.

	      Write  an  extra	output file containing macro definitions for the token type names
	      defined in the grammar and the semantic value type YYSTYPE, as well as a few extern
	      variable declarations.

	      If the parser output file is named name.c then this file is named name.h.

	      This output file is essential if you wish to put the definition of yylex in a sepa-
	      rate source file, because yylex needs to be able to refer to token type  codes  and
	      the variable yylval.

	      The behaviour of --defines is the same than -d option.  The only difference is that
	      it has an optionnal argument which is the name of the output filename.

	      Output a VCG definition of the LALR(1) grammar automaton computed by Bison. If  the
	      grammar file is foo.y , the VCG output file will be foo.vcg.

	      The behaviour of --graph is the same than -g option. The only difference is that it
	      has an optionnal argument which is the name of the output graph filename.

	      This switch causes the name.tab.c output to include a list of token names in  order
	      by  their token numbers;	this is defined in the array yytname.  Also generated are

	      Don't put any #line preprocessor commands in the	parser	file.	Ordinarily  bison
	      puts  them  in  the parser file so that the C compiler and debuggers will associate
	      errors with your source file, the grammar file.  This option causes them	to  asso-
	      ciate  errors  with  the parser file, treating it an independent source file in its
	      own right.

	      Do not generate the parser code into the output;	generate only declarations.   The
	      generated  name.tab.c  file  will  have only constant declarations.  In addition, a
	      name.act file is generated containing a switch statement body  containing  all  the
	      translated actions.

       -o outfile
	      Specify the name outfile for the parser file.

	      The  other  output files' names are constructed from outfile as described under the
	      -v and -d switches.

       -p prefix
	      Rename the external symbols used in the parser  so  that	they  start  with  prefix
	      instead  of  yy.	 The  precise list of symbols renamed is yyparse, yylex, yyerror,
	      yylval, yychar, and yydebug.

	      For example, if you use -p c, the names become cparse, clex, and so on.

	      In the parser file, define the macro YYDEBUG to 1 if it is not already defined,  so
	      that the debugging facilities are compiled.

	      Write an extra output file containing verbose descriptions of the parser states and
	      what is done for each type of look-ahead token in that state.

	      This file also describes all the conflicts, both those resolved by operator  prece-
	      dence and the unresolved ones.

	      The  file's name is made by removing .tab.c or .c from the parser output file name,
	      and adding .output instead.

	      Therefore, if the input file is foo.y, then the parser file is called foo.tab.c  by
	      default.	As a consequence, the verbose output file is called foo.output.

	      Print the version number of bison and exit.

       --help Print a summary of the options to bison and exit.

	      Equivalent  to  -o y.tab.c; the parser output file is called y.tab.c, and the other
	      outputs are called y.output and y.tab.h.	The purpose of this switch is to  imitate
	      yacc's  output file name conventions.  Thus, the following shell script can substi-
	      tute for yacc:

	      bison -y $*

       /usr/share/bison/bison.simple simple parser
       /usr/share/bison/bison.hairy  complicated parser

	      If this is set, it specifies the location in which the bison.simple parser  can  be

	      If  this	is  set, it specifies the location in which the bison.hairy parser can be

       The Bison Reference Manual, included as the file bison.texinfo in the bison source distri-

       Self explanatory.

					      local					 BISON(1)

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