{-# OPTIONS -cpp #-}
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Compiler
-- Copyright : Isaac Jones 2003-2004
--
-- Maintainer : Isaac Jones <ijones@syntaxpolice.org>
-- 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
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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
|
