------------------------------------------------------------------------
--- $Id: Main.hs,v 1.26 2001/03/16 09:07:41 qrczak Exp $
+-- $Id: Main.hs,v 1.35 2002/01/17 08:37:57 sof Exp $
--
-- Program for converting .hsc files to .hs files, by converting the
-- file into a C program which is run to generate the Haskell source.
-- See the documentation in the Users' Guide for more details.
import GetOpt
-import System (getProgName, getArgs, ExitCode(..), exitWith, exitFailure)
-import KludgedSystem (system, defaultCompiler)
+import Config
+import System (getProgName, getArgs, ExitCode(..), exitWith, exitFailure, system)
import Directory (removeFile)
import Monad (MonadPlus(..), liftM, liftM2, when, unless)
import Char (isAlpha, isAlphaNum, isSpace, isDigit, toUpper, intToDigit, ord)
import List (intersperse)
+#include "../../includes/config.h"
+
+#ifdef mingw32_TARGET_OS
+import Win32DLL
+#endif
+
version :: String
version = "hsc2hs-0.65"
| LinkFlag String
| NoCompile
| Include String
+ | Define String (Maybe String)
+ | Output String
include :: String -> Flag
include s@('\"':_) = Include s
include s@('<' :_) = Include s
include s = Include ("\""++s++"\"")
+define :: String -> Flag
+define s = case break (== '=') s of
+ (name, []) -> Define name Nothing
+ (name, _:value) -> Define name (Just value)
+
options :: [OptDescr Flag]
options = [
Option "t" ["template"] (ReqArg Template "FILE") "template file",
Option "I" [] (ReqArg (CompFlag . ("-I"++))
"DIR") "passed to the C compiler",
Option "L" ["lflag"] (ReqArg LinkFlag "FLAG") "flag to pass to the linker",
- Option "" ["no-compile"] (NoArg NoCompile) "stop after writing *.hs_make.c",
Option "i" ["include"] (ReqArg include "FILE") "as if placed in the source",
+ Option "D" ["define"] (ReqArg define "NAME[=VALUE]") "as if placed in the source",
+ Option "o" ["output"] (ReqArg Output "FILE") "name of main output file",
Option "" ["help"] (NoArg Help) "display this help and exit",
- Option "" ["version"] (NoArg Version) "output version information and exit"]
+ Option "" ["version"] (NoArg Version) "output version information and exit",
+ Option "" ["no-compile"] (NoArg NoCompile) "stop after writing *_hsc_make.c"]
main :: IO ()
main = do
prog <- getProgName
let header = "Usage: "++prog++" [OPTIONS] INPUT.hsc [...]"
args <- getArgs
- case getOpt Permute options args of
+ let opts@(flags, files, errs) = getOpt Permute options args
+#ifdef mingw32_TARGET_OS
+ h <- getModuleHandle Nothing
+ n <- getModuleFileName h
+ let tempName = reverse (drop (length "\\bin\\hsc2hs.exe") (reverse n)) ++ "\\template-hsc.h"
+ let fflags = if [t | Template t <- flags] /= [] then flags else (Template tempName) : flags
+ let opts = (fflags, files, errs)
+#endif
+ case opts of
(flags, _, _)
| any isHelp flags -> putStrLn (usageInfo header options)
| any isVersion flags -> putStrLn version
_:_ -> do anyCharC_; cString quote
------------------------------------------------------------------------
--- Output the output files.
+-- Write the output files.
+
+splitName :: String -> (String, String)
+splitName name =
+ case break (== '/') name of
+ (file, []) -> ([], file)
+ (dir, sep:rest) -> (dir++sep:restDir, restFile)
+ where
+ (restDir, restFile) = splitName rest
+
+splitExt :: String -> (String, String)
+splitExt name =
+ case break (== '.') name of
+ (base, []) -> (base, [])
+ (base, sepRest@(sep:rest))
+ | null restExt -> (base, sepRest)
+ | otherwise -> (base++sep:restBase, restExt)
+ where
+ (restBase, restExt) = splitExt rest
output :: [Flag] -> String -> [Token] -> IO ()
-output flags name toks = let
- baseName = case reverse name of
- 'c':base -> reverse base
- _ -> name++".hs"
- cProgName = baseName++"_make.c"
- oProgName = baseName++"_make.o"
- progName = baseName++"_make"
- outHsName = baseName
- outHName = baseName++".h"
- outCName = baseName++".c"
+output flags name toks = do
- execProgName = case progName of
- '/':_ -> progName
- _ -> "./"++progName
+ (outName, outDir, outBase) <- case [f | Output f <- flags] of
+ []
+ | not (null ext) &&
+ last ext == 'c' -> return (dir++base++init ext, dir, base)
+ | ext == ".hs" -> return (dir++base++"_out.hs", dir, base)
+ | otherwise -> return (dir++base++".hs", dir, base)
+ where
+ (dir, file) = splitName name
+ (base, ext) = splitExt file
+ [f] -> let
+ (dir, file) = splitName f
+ (base, _) = splitExt file
+ in return (f, dir, base)
+ _ -> onlyOne "output file"
- specials = [(pos, key, arg) | Special pos key arg <- toks]
+ let cProgName = outDir++outBase++"_hsc_make.c"
+ oProgName = outDir++outBase++"_hsc_make.o"
+ progName = outDir++outBase++"_hsc_make" ++ progNameSuffix
+ outHName = outDir++outBase++"_hsc.h"
+ outCName = outDir++outBase++"_hsc.c"
+
+ let execProgName
+ | null outDir = '.':pathSep:progName
+ | otherwise = progName
- needsC = any (\(_, key, _) -> key == "def") specials
- needsH = needsC
+ let specials = [(pos, key, arg) | Special pos key arg <- toks]
- includeGuard = map fixChar outHName
- where
- fixChar c | isAlphaNum c = toUpper c
- | otherwise = '_'
+ let needsC = any (\(_, key, _) -> key == "def") specials
+ needsH = needsC
- in do
+ let includeGuard = map fixChar outHName
+ where
+ fixChar c | isAlphaNum c = toUpper c
+ | otherwise = '_'
compiler <- case [c | Compiler c <- flags] of
[] -> return "ghc"
[c] -> return c
_ -> onlyOne "compiler"
+
linker <- case [l | Linker l <- flags] of
- [] -> return defaultCompiler
+ [] -> return cGCC
[l] -> return l
_ -> onlyOne "linker"
writeFile cProgName $
- concat ["#include \""++t++"\"\n" | Template t <- flags]++
- concat ["#include "++f++"\n" | Include f <- flags]++
- outHeaderCProg specials++
+ concatMap outFlagHeaderCProg flags++
+ concatMap outHeaderCProg specials++
"\nint main (void)\n{\n"++
outHeaderHs flags (if needsH then Just outHName else Nothing) specials++
outHsLine (SourcePos name 0)++
_ -> return ()
removeFile oProgName
- system (execProgName++" >"++outHsName)
+ system (execProgName++" >"++outName)
removeFile progName
when needsH $ writeFile outHName $
- "#ifndef "++includeGuard++"\n\
- \#define "++includeGuard++"\n\
- \#if __GLASGOW_HASKELL__ && __GLASGOW_HASKELL__ < 409\n\
- \#include <Rts.h>\n\
- \#endif\n\
- \#include <HsFFI.h>\n\
- \#if __NHC__\n\
- \#undef HsChar\n\
- \#define HsChar int\n\
+ "#ifndef "++includeGuard++"\n\
+ \#define "++includeGuard++"\n\
+ \#if " ++
+ "__GLASGOW_HASKELL__ && __GLASGOW_HASKELL__ < 409\n\
+ \#include <Rts.h>\n\
+ \#endif\n\
+ \#include <HsFFI.h>\n\
+ \#if __NHC__\n\
+ \#undef HsChar\n\
+ \#define HsChar int\n\
\#endif\n"++
- concat ["#include "++n++"\n" | Include n <- flags]++
+ concatMap outFlagH flags++
concatMap outTokenH specials++
"#endif\n"
putStrLn ("Only one "++what++" may be specified")
exitFailure
-outHeaderCProg :: [(SourcePos, String, String)] -> String
-outHeaderCProg =
- concatMap $ \(pos, key, arg) -> case key of
- "include" -> outCLine pos++"#include "++arg++"\n"
- "define" -> outCLine pos++"#define "++arg++"\n"
- "undef" -> outCLine pos++"#undef "++arg++"\n"
- "def" -> case arg of
- 's':'t':'r':'u':'c':'t':' ':_ -> outCLine pos++arg++"\n"
- 't':'y':'p':'e':'d':'e':'f':' ':_ -> outCLine pos++arg++"\n"
- _ -> ""
- _ | conditional key -> outCLine pos++"#"++key++" "++arg++"\n"
- "let" -> case break (== '=') arg of
- (_, "") -> ""
- (header, _:body) -> case break isSpace header of
- (name, args) ->
- outCLine pos++
- "#define hsc_"++name++"("++dropWhile isSpace args++") \
- \printf ("++joinLines body++");\n"
+outFlagHeaderCProg :: Flag -> String
+outFlagHeaderCProg (Template t) = "#include \""++t++"\"\n"
+outFlagHeaderCProg (Include f) = "#include "++f++"\n"
+outFlagHeaderCProg (Define n Nothing) = "#define "++n++"\n"
+outFlagHeaderCProg (Define n (Just v)) = "#define "++n++" "++v++"\n"
+outFlagHeaderCProg _ = ""
+
+outHeaderCProg :: (SourcePos, String, String) -> String
+outHeaderCProg (pos, key, arg) = case key of
+ "include" -> outCLine pos++"#include "++arg++"\n"
+ "define" -> outCLine pos++"#define "++arg++"\n"
+ "undef" -> outCLine pos++"#undef "++arg++"\n"
+ "def" -> case arg of
+ 's':'t':'r':'u':'c':'t':' ':_ -> outCLine pos++arg++"\n"
+ 't':'y':'p':'e':'d':'e':'f':' ':_ -> outCLine pos++arg++"\n"
_ -> ""
+ _ | conditional key -> outCLine pos++"#"++key++" "++arg++"\n"
+ "let" -> case break (== '=') arg of
+ (_, "") -> ""
+ (header, _:body) -> case break isSpace header of
+ (name, args) ->
+ outCLine pos++
+ "#define hsc_"++name++"("++dropWhile isSpace args++") \
+ \printf ("++joinLines body++");\n"
+ _ -> ""
where
joinLines = concat . intersperse " \\\n" . lines
outHeaderHs :: [Flag] -> Maybe String -> [(SourcePos, String, String)] -> String
outHeaderHs flags inH toks =
- "#if __GLASGOW_HASKELL__ && __GLASGOW_HASKELL__ < 409\n\
- \ printf (\"{-# OPTIONS -optc-D__GLASGOW_HASKELL__=%d #-}\\n\", \
- \__GLASGOW_HASKELL__);\n\
+ "#if " ++
+ "__GLASGOW_HASKELL__ && __GLASGOW_HASKELL__ < 409\n\
+ \ printf (\"{-# OPTIONS -optc-D" ++
+ "__GLASGOW_HASKELL__=%d #-}\\n\", \
+ \__GLASGOW_HASKELL__);\n\
\#endif\n"++
- includeH++
- concatMap outSpecial toks
+ case inH of
+ Nothing -> concatMap outFlag flags++concatMap outSpecial toks
+ Just f -> outOption ("-#include \""++f++"\"")
where
+ outFlag (Include f) = outOption ("-#include "++f)
+ outFlag (Define n Nothing) = outOption ("-optc-D"++n)
+ outFlag (Define n (Just v)) = outOption ("-optc-D"++n++"="++v)
+ outFlag _ = ""
outSpecial (pos, key, arg) = case key of
- "include" -> case inH of
- Nothing -> outOption ("-#include "++arg)
- Just _ -> ""
- "define" -> case inH of
- Nothing | goodForOptD arg -> outOption ("-optc-D"++toOptD arg)
- _ -> ""
- _ | conditional key -> outCLine pos++"#"++key++" "++arg++"\n"
- _ -> ""
+ "include" -> outOption ("-#include "++arg)
+ "define" | goodForOptD arg -> outOption ("-optc-D"++toOptD arg)
+ | otherwise -> ""
+ _ | conditional key -> outCLine pos++"#"++key++" "++arg++"\n"
+ _ -> ""
goodForOptD arg = case arg of
"" -> True
c:_ | isSpace c -> True
toOptD arg = case break isSpace arg of
(name, "") -> name
(name, _:value) -> name++'=':dropWhile isSpace value
- includeH = concat [
- outOption ("-#include "++name++"")
- | name <- case inH of
- Nothing -> [name | Include name <- flags]
- Just name -> ["\""++name++"\""]]
outOption s = " printf (\"{-# OPTIONS %s #-}\\n\", \""++
showCString s++"\");\n"
(enum, rest) -> let
this = case break (== '=') $ dropWhile isSpace enum of
(name, []) ->
- " hsc_enum ("++t++", "++f++", \
+ " hsc_enum ("++t++", "++f++", \
\hsc_haskellize (\""++name++"\"), "++
name++");\n"
(hsName, _:cName) ->
- " hsc_enum ("++t++", "++f++", \
+ " hsc_enum ("++t++", "++f++", \
\printf (\"%s\", \""++hsName++"\"), "++
cName++");\n"
in this++enums rest
in enums afterF
+outFlagH :: Flag -> String
+outFlagH (Include f) = "#include "++f++"\n"
+outFlagH (Define n Nothing) = "#define "++n++"\n"
+outFlagH (Define n (Just v)) = "#define "++n++" "++v++"\n"
+outFlagH _ = ""
+
outTokenH :: (SourcePos, String, String) -> String
outTokenH (pos, key, arg) =
case key of
's':'t':'r':'u':'c':'t':' ':_ -> arg++"\n"
't':'y':'p':'e':'d':'e':'f':' ':_ -> arg++"\n"
'i':'n':'l':'i':'n':'e':' ':_ ->
- "#ifdef __GNUC__\n\
- \extern\n\
+ "#ifdef __GNUC__\n\
+ \extern\n\
\#endif\n"++
arg++"\n"
_ -> "extern "++header++";\n"
"def" -> case arg of
's':'t':'r':'u':'c':'t':' ':_ -> ""
't':'y':'p':'e':'d':'e':'f':' ':_ -> ""
- 'i':'n':'l':'i':'n':'e':' ':_ ->
- outCLine pos++
- "#ifndef __GNUC__\n\
- \extern\n\
- \#endif\n"++
- header++
- "\n#ifndef __GNUC__\n\
- \;\n\
- \#else\n"++
- body++
- "\n#endif\n"
+ 'i':'n':'l':'i':'n':'e':' ':arg' ->
+ case span (\c -> c /= '{' && c /= '=') arg' of
+ (header, body) ->
+ outCLine pos++
+ "#ifndef __GNUC__\n\
+ \extern inline\n\
+ \#endif\n"++
+ header++
+ "\n#ifndef __GNUC__\n\
+ \;\n\
+ \#else\n"++
+ body++
+ "\n#endif\n"
_ -> outCLine pos++arg++"\n"
- where (header, body) = span (\c -> c /= '{' && c /= '=') arg
_ | conditional key -> outCLine pos++"#"++key++" "++arg++"\n"
_ -> ""
outCLine :: SourcePos -> String
outCLine (SourcePos name line) =
- "# "++show line++" \""++showCString (basename name)++"\"\n"
+ "# "++show line++" \""++showCString (snd (splitName name))++"\"\n"
outHsLine :: SourcePos -> String
outHsLine (SourcePos name line) =
" hsc_line ("++show (line + 1)++", \""++
- showCString (basename name)++"\");\n"
-
-basename :: String -> String
-basename s = case break (== '/') s of
- (name, []) -> name
- (_, _:rest) -> basename rest
+ showCString (snd (splitName name))++"\");\n"
showCString :: String -> String
showCString = concatMap showCChar
projects / ghc-hetmet.git / blobdiff