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frown(1) User Commands frown(1)


frown - an LALR(k) parser generator for Haskell 98


frown [ options ... ] file.[i]g ...


-b, --backtrack
generate a backtracking parser
-c[compact|gvstack|stackless|standard], --code[=compact|gvstack|stackless|standard]
select output format
display details of copying
-d, --debug
emit debugging information
-e, --expected
pass a list of expected terminals to ‘frown’
-g, --ghc
use GHC extensions
-h, -?, --help
print this information
-i, --info
put additional information into generated file
-kn, --lookahead=n
use n tokens of lookahead
-l, --lexer
use a monadic lexer (‘get :: M Terminal’)
-n, --noinline
generate NOINLINE pragmas
-O, --optimize
optimize parser
-pn, --pagewidth=n
use the specified pagewidth n for pretty printing
use the given string as prefix for frown generated variables
-s[mono|poly], --signature[=mono|poly]
add type signatures
use the given string as suffix for frown generated variables
-t, --trace
insert calls to tracing routines (‘shift’, ‘reduce’ and ‘accept’)
-v, --verbose
be verbose
print version information
display details of warranty


© 2002 – 2005 Ralf Hinze

This package is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation.

This package is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this package; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA


This manual page was written by Arjan Oosting <> for the Debian system (but may be used by others).
November 2005 Frown :-( version 0.6