{-# OPTIONS -cpp #-}
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Compiler
-- Copyright : Isaac Jones 2003-2004
--
-- Maintainer : Isaac Jones <[email protected]>
-- Stability : alpha
-- Portability : portable
--
-- Haskell implementations.
{- All rights reserved.
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modification, are permitted provided that the following conditions are
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* Redistributions of source code must retain the above copyright
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* Redistributions in binary form must reproduce the above
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with the distribution.
* Neither the name of Isaac Jones nor the names of other
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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module Distribution.Compiler (
-- * Haskell implementations
CompilerFlavor(..), Compiler(..), showCompilerId,
compilerBinaryName,
-- * Support for language extensions
Opt,
extensionsToFlags,
extensionsToGHCFlag, extensionsToHugsFlag,
extensionsToNHCFlag, extensionsToJHCFlag,
#ifdef DEBUG
hunitTests
#endif
) where
import Distribution.Version (Version(..), showVersion)
import Language.Haskell.Extension (Extension(..))
import Data.List (nub)
#ifdef DEBUG
import HUnit (Test)
#endif
-- ------------------------------------------------------------
-- * Command Line Types and Exports
-- ------------------------------------------------------------
data CompilerFlavor
= GHC | NHC | Hugs | HBC | Helium | JHC | OtherCompiler String
deriving (Show, Read, Eq, Ord)
data Compiler = Compiler {compilerFlavor:: CompilerFlavor,
compilerVersion :: Version,
compilerPath :: FilePath,
compilerPkgTool :: FilePath}
deriving (Show, Read, Eq)
showCompilerId :: Compiler -> String
showCompilerId (Compiler f (Version [] _) _ _) = compilerBinaryName f
showCompilerId (Compiler f v _ _) = compilerBinaryName f ++ '-': showVersion v
compilerBinaryName :: CompilerFlavor -> String
compilerBinaryName GHC = "ghc"
compilerBinaryName NHC = "hmake" -- FIX: uses hmake for now
compilerBinaryName Hugs = "ffihugs"
compilerBinaryName JHC = "jhc"
compilerBinaryName cmp = error $ "Unsupported compiler: " ++ (show cmp)
-- ------------------------------------------------------------
-- * Extensions
-- ------------------------------------------------------------
-- |For the given compiler, return the unsupported extensions, and the
-- flags for the supported extensions.
extensionsToFlags :: CompilerFlavor -> [ Extension ] -> ([Extension], [Opt])
extensionsToFlags GHC exts = extensionsToGHCFlag exts
extensionsToFlags Hugs exts = extensionsToHugsFlag exts
extensionsToFlags NHC exts = extensionsToNHCFlag exts
extensionsToFlags JHC exts = extensionsToJHCFlag exts
extensionsToFlags _ exts = (exts, [])
-- |GHC: Return the unsupported extensions, and the flags for the supported extensions
extensionsToGHCFlag :: [ Extension ] -> ([Extension], [Opt])
extensionsToGHCFlag l
= splitEither $ nub $ map extensionToGHCFlag l
where
extensionToGHCFlag :: Extension -> Either Extension String
extensionToGHCFlag OverlappingInstances = Right "-fallow-overlapping-instances"
extensionToGHCFlag TypeSynonymInstances = Right "-fglasgow-exts"
extensionToGHCFlag TemplateHaskell = Right "-fth"
extensionToGHCFlag ForeignFunctionInterface = Right "-fffi"
extensionToGHCFlag NoMonomorphismRestriction = Right "-fno-monomorphism-restriction"
extensionToGHCFlag UndecidableInstances = Right "-fallow-undecidable-instances"
extensionToGHCFlag IncoherentInstances = Right "-fallow-incoherent-instances"
extensionToGHCFlag Arrows = Right "-farrows"
extensionToGHCFlag Generics = Right "-fgenerics"
extensionToGHCFlag NoImplicitPrelude = Right "-fno-implicit-prelude"
extensionToGHCFlag ImplicitParams = Right "-fimplicit-params"
extensionToGHCFlag CPP = Right "-cpp"
extensionToGHCFlag BangPatterns = Right "-fbang-patterns"
extensionToGHCFlag KindSignatures = Right "-fglasgow-exts"
extensionToGHCFlag RecursiveDo = Right "-fglasgow-exts"
extensionToGHCFlag ParallelListComp = Right "-fglasgow-exts"
extensionToGHCFlag MultiParamTypeClasses = Right "-fglasgow-exts"
extensionToGHCFlag FunctionalDependencies = Right "-fglasgow-exts"
extensionToGHCFlag Rank2Types = Right "-fglasgow-exts"
extensionToGHCFlag RankNTypes = Right "-fglasgow-exts"
extensionToGHCFlag PolymorphicComponents = Right "-fglasgow-exts"
extensionToGHCFlag ExistentialQuantification = Right "-fglasgow-exts"
extensionToGHCFlag ScopedTypeVariables = Right "-fglasgow-exts"
extensionToGHCFlag FlexibleContexts = Right "-fglasgow-exts"
extensionToGHCFlag FlexibleInstances = Right "-fglasgow-exts"
extensionToGHCFlag EmptyDataDecls = Right "-fglasgow-exts"
extensionToGHCFlag PatternGuards = Right "-fglasgow-exts"
extensionToGHCFlag GeneralizedNewtypeDeriving = Right "-fglasgow-exts"
extensionToGHCFlag MagicHash = Right "-fglasgow-exts"
extensionToGHCFlag e@ExtensibleRecords = Left e
extensionToGHCFlag e@RestrictedTypeSynonyms = Left e
extensionToGHCFlag e@HereDocuments = Left e
extensionToGHCFlag e@NamedFieldPuns = Left e
-- |NHC: Return the unsupported extensions, and the flags for the supported extensions
extensionsToNHCFlag :: [ Extension ] -> ([Extension], [Opt])
extensionsToNHCFlag l
= splitEither $ nub $ map extensionToNHCFlag l
where
-- NHC doesn't enforce the monomorphism restriction at all.
extensionToNHCFlag NoMonomorphismRestriction = Right ""
extensionToNHCFlag ForeignFunctionInterface = Right ""
extensionToNHCFlag ExistentialQuantification = Right ""
extensionToNHCFlag EmptyDataDecls = Right ""
extensionToNHCFlag NamedFieldPuns = Right "-puns"
extensionToNHCFlag CPP = Right "-cpp"
extensionToNHCFlag e = Left e
-- |JHC: Return the unsupported extensions, and the flags for the supported extensions
extensionsToJHCFlag :: [ Extension ] -> ([Extension], [Opt])
extensionsToJHCFlag l = (es, filter (not . null) rs)
where
(es,rs) = splitEither $ nub $ map extensionToJHCFlag l
extensionToJHCFlag TypeSynonymInstances = Right ""
extensionToJHCFlag ForeignFunctionInterface = Right ""
extensionToJHCFlag NoImplicitPrelude = Right "--noprelude"
extensionToJHCFlag CPP = Right "-fcpp"
extensionToJHCFlag e = Left e
-- |Hugs: Return the unsupported extensions, and the flags for the supported extensions
extensionsToHugsFlag :: [ Extension ] -> ([Extension], [Opt])
extensionsToHugsFlag l
= splitEither $ nub $ map extensionToHugsFlag l
where
extensionToHugsFlag OverlappingInstances = Right "+o"
extensionToHugsFlag IncoherentInstances = Right "+oO"
extensionToHugsFlag HereDocuments = Right "+H"
extensionToHugsFlag TypeSynonymInstances = Right "-98"
extensionToHugsFlag RecursiveDo = Right "-98"
extensionToHugsFlag ParallelListComp = Right "-98"
extensionToHugsFlag MultiParamTypeClasses = Right "-98"
extensionToHugsFlag FunctionalDependencies = Right "-98"
extensionToHugsFlag Rank2Types = Right "-98"
extensionToHugsFlag PolymorphicComponents = Right "-98"
extensionToHugsFlag ExistentialQuantification = Right "-98"
extensionToHugsFlag ScopedTypeVariables = Right "-98"
extensionToHugsFlag ImplicitParams = Right "-98"
extensionToHugsFlag ExtensibleRecords = Right "-98"
extensionToHugsFlag RestrictedTypeSynonyms = Right "-98"
extensionToHugsFlag FlexibleContexts = Right "-98"
extensionToHugsFlag FlexibleInstances = Right "-98"
extensionToHugsFlag ForeignFunctionInterface = Right ""
extensionToHugsFlag EmptyDataDecls = Right ""
extensionToHugsFlag CPP = Right ""
extensionToHugsFlag e = Left e
splitEither :: [Either a b] -> ([a], [b])
splitEither l = ([a | Left a <- l], [b | Right b <- l])
type Opt = String
-- ------------------------------------------------------------
-- * Testing
-- ------------------------------------------------------------
#ifdef DEBUG
hunitTests :: [Test]
hunitTests = []
#endif
|
