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.

y.code.c

y.tab.c

y.tab.h

y.output

/tmp/yacc.aXXXXXXXXXX

/tmp/yacc.tXXXXXXXXXX

/tmp/yacc.uXXXXXXXXXX