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byacc (1)
  • byacc (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • >> byacc (1) ( Linux man: Команды и прикладные программы пользовательского уровня )

  • BSD mandoc
     

    NAME

    
    
    yacc
    
     - an LALR(1) parser generator
    
     
    

    SYNOPSIS

    [-dlrtv ] [-b file_prefix ] [-o output_filename ] [-p symbol_prefix ] filename  

    DESCRIPTION

    Yacc reads the grammar specification in the file filename and generates an LR(1) parser for it. The parsers consist of a set of LALR(1) parsing tables and a driver routine written in the C programming language. Yacc normally writes the parse tables and the driver routine to the file y.tab.c

    The following options are available:

    -b file_prefix
    Change the prefix prepended to the output file names to the string denoted by file_prefix The default prefix is the character y
    -d
    Cause the header file y.tab.h to be written.
    -l
    If the -l option is not specified, will insert #line directives in the generated code. The #line directives let the C compiler relate errors in the generated code to the user's original code. If the -l option is specified, will not insert the #line directives. Any #line directives specified by the user will be retained.
    -o output_filename
    Cause to write the generated code to output_filename instead of the default file, y.tab.c
    -p symbol_prefix
    Change the prefix prepended to yacc-generated symbols to the string denoted by symbol_prefix The default prefix is the string yy
    -r
    Cause to produce separate files for code and tables. The code file is named y.code.c and the tables file is named y.tab.c
    -t
    Change the preprocessor directives generated by so that debugging statements will be incorporated in the compiled code.
    -v
    Cause a human-readable description of the generated parser to be written to the file y.output

    If the environment variable TMPDIR is set, the string denoted by TMPDIR will be used as the name of the directory where the temporary files are created.  

    FILES

    y.code.c
    y.tab.c
    y.tab.h
    y.output
    /tmp/yacc.aXXXXXXXXXX
    /tmp/yacc.tXXXXXXXXXX
    /tmp/yacc.uXXXXXXXXXX

     

    DIAGNOSTICS

    If there are rules that are never reduced, the number of such rules is reported on standard error. If there are any LALR(1) conflicts, the number of conflicts is reported on standard error.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    FILES
    DIAGNOSTICS


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