BNFC-2.4.1.2: Main.hs
{-
BNF Converter: Main file
Copyright (C) 2002-2010 Authors:
Björn Bringert, Johan Broberg, Markus Forberg, Peter Gammie,
Patrik Jansson, Antti-Juhani Kaijanaho, Ulf Norell,
Michael Pellauer, Aarne Ranta
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
module Main where
-- import Utils
-- import CF
import HaskellTop
import HaskellTopGADT
import ProfileTop
import JavaTop
import JavaTop15
import CPPTop
import CSharpTop
import STLTop
import CTop
import OCamlTop
import FSharpTop
import CFtoXML
import Utils
import MultiView (preprocessMCF, mkTestMulti, mkMakefileMulti)
import System
import Char
import Data.List (elemIndex)
title = unlines [
"The BNF Converter, 2.4.1.2",
"(c) Krasimir Angelov, Bjorn Bringert, Johan Broberg, Paul Callaghan, ",
" Markus Forsberg, Ola Frid, Peter Gammie, Patrik Jansson, ",
" Kristofer Johannisson, Antti-Juhani Kaijanaho, Ulf Norell, ",
" Michael Pellauer and Aarne Ranta 2002 - 2010.",
"Free software under GNU General Public License (GPL).",
"Bug reports to {markus,aarne}@cs.chalmers.se."
]
main :: IO ()
main = do
xx <- getArgs
case xx of
[] -> printUsage
_ | elem "-multi" xx -> do
putStrLn "preprocessing multilingual BNF"
let file = last xx
(files,entryp) <- preprocessMCF file
mapM_ mkOne [init xx ++ [f] | f <- files]
mkTestMulti entryp xx file files
mkMakefileMulti xx file files
_ -> mkOne xx
mkOne :: [String] -> IO ()
mkOne xx = do
let args = (map (filter (not . isSpace)) xx)
let file = last args
let name = takeWhile (/= '.') $ basename file
let make = elem "-m" args
let multi = elem "-multi" args
let c = elem "-c" args
let cpp = elem "-cpp" args
let cpp_stl = elem "-cpp_stl" args
let csharp = elem "-csharp" args
let java = elem "-java" args
let java15 = elem "-java1.5" args
let ocaml = elem "-ocaml" args
let fsharp = elem "-fsharp" args
let haskell = elem "-haskell" args
let haskellGADT = elem "-gadt" args
let profile = elem "-prof" args
let alex1 = "-alex1" `elem` args
alex2 = "-alex2" `elem` args
alex1or2 = alex1
alex2StringSharing = elem "-sharestrings" args
alex2ByteString = elem "-bytestrings" args
glr = "-glr" `elem` args
let xml = if elem "-xml" args then 1 else
if elem "-xmlt" args then 2 else 0
let inDir = elem "-d" args
let vsfiles = elem "-vs" args
let wcfSupport = elem "-wcf" args
let linenumbers = elem "-l" args -- for C++ STL target
inPackage <- case elemIndex "-p" args of
Nothing -> return Nothing
Just i | i < length args - 1 -> return (Just (args!!(i+1)))
_ -> do
putStrLn "-p option requires an argument"
printUsage
if checkUsage False [c, cpp, cpp_stl, csharp, java, haskell, profile] then
do
if (isCF (reverse file)) then
do
putStrLn title
case () of
_ | c -> makeC make name file
_ | cpp -> makeCPP make name file
_ | cpp_stl-> makeSTL make linenumbers inPackage name file
_ | csharp -> makeCSharp make vsfiles wcfSupport inPackage file
_ | java -> makeJava make name file
_ | java15 -> makeJava15 make inPackage name file
_ | ocaml -> makeOCaml make alex1or2 inDir alex2StringSharing glr xml inPackage name file
_ | fsharp -> makeFSharp make alex1or2 inDir alex2StringSharing glr xml inPackage name file
_ | profile-> makeAllProfile make alex1or2 False xml name file
_ | haskellGADT -> makeAllGADT make alex1or2 inDir alex2StringSharing alex2ByteString glr xml inPackage name file
_ -> makeAll make alex1or2 inDir alex2StringSharing alex2ByteString glr xml inPackage name multi file
if (make && multi)
then (system ("cp Makefile Makefile_" ++ name)) >> return ()
else return ()
else endFileErr
else endLanguageErr
where isCF ('f':'c':'.':_) = True
isCF _ = False
endFileErr = do
putStr title
putStrLn "Error: the input file must end with .cf"
exitFailure
endLanguageErr = do
putStr title
putStrLn "Error: only one language mode may be chosen"
exitFailure
printUsage = do
putStrLn title
putStrLn "Usage: bnfc <makeoption>* <language>? <special>* file.cf"
putStrLn ""
putStrLn "Make option:"
putStrLn " -m generate Makefile"
putStrLn ""
putStrLn "Languages (Only one language mode may be selected.)"
putStrLn " -java Output Java code for use with JLex and CUP"
putStrLn " -java1.5 Output Java 1.5 code for use with JLex and CUP"
putStrLn " -c Output C code for use with FLex and Bison"
putStrLn " -cpp Output C++ code for use with FLex and Bison"
putStrLn " -cpp_stl Output C++ code for use with FLex and Bison"
putStrLn " and the Standard Template Library"
putStrLn " -csharp Output C# code for use with GPLEX and GPPG"
putStrLn " -ocaml Output OCaml code for use with ocamllex and ocamlyacc"
putStrLn " -fsharp Output F# code for use with fslex and fsyacc"
putStrLn " -haskell Output Haskell code for use with Alex and Happy (default)"
putStrLn " -prof Output Haskell code for rules with permutation profiles"
putStrLn " -gadt Output Haskell code which uses GADTs"
putStrLn ""
putStrLn "Special options for the Haskell back-end:"
putStrLn " -d Put Haskell code in modules Lang.* instead of Lang*"
putStrLn " -p <name> Prepend <name> to the Haskell module names."
putStrLn " Dots in the module name create hierarchical modules."
putStrLn " -alex1 Use Alex 1.1 as Haskell lexer tool"
putStrLn " -alex2 Use Alex 2 as Haskell lexer tool (default)"
putStrLn " -sharestrings Use string sharing in Alex 2 lexer"
putStrLn " -bytestrings Use byte string in Alex 2 lexer"
putStrLn " -glr Output Happy GLR parser"
putStrLn " -xml Also generate a DTD and an XML printer"
putStrLn " -xmlt DTD and an XML printer, another encoding"
putStrLn ""
putStrLn "Special options for the C++ STL back-end:"
putStrLn " -l Add and set line_number field for all syntax classes"
putStrLn " -p <namespace> Use <namespace> as the C++ namespace"
putStrLn ""
putStrLn "Special options for the Java 1.5 back-end:"
putStrLn " -p <package> Prepend <package> to the Java package name"
putStrLn ""
putStrLn "Special options for the C# backend:"
putStrLn " -p <namespace> Use <namespace> as the C# namespace"
putStrLn " -vs Generate Visual Studio solution/project files"
putStrLn " -wcf Add support for Windows Communication Foundation, by"
putStrLn " marking abstract syntax classes as DataContracts"
exitFailure
-- putStrLn " : -gf write GF files"
checkUsage _ [] = True
checkUsage True (True:xs) = False
checkUsage False (True:xs) = checkUsage True xs
checkUsage old (x:xs) = checkUsage old xs