X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fprelude%2FTysWiredIn.lhs;h=b2f5b3f7c1833764190008a46b98ff45d70383f1;hp=ccdfbe2b84affe7893970c754cde95d081f1236b;hb=66579ff945831c5fc9a17c58c722ff01f2268d76;hpb=6821c8a47c0fc61a2d989d368f926cc0ded776e9 diff --git a/compiler/prelude/TysWiredIn.lhs b/compiler/prelude/TysWiredIn.lhs index ccdfbe2..b2f5b3f 100644 --- a/compiler/prelude/TysWiredIn.lhs +++ b/compiler/prelude/TysWiredIn.lhs @@ -3,54 +3,61 @@ % \section[TysWiredIn]{Wired-in knowledge about {\em non-primitive} types} -This module is about types that can be defined in Haskell, but which -must be wired into the compiler nonetheless. - This module tracks the ``state interface'' document, ``GHC prelude: types and operations.'' \begin{code} +-- | This module is about types that can be defined in Haskell, but which +-- must be wired into the compiler nonetheless. module TysWiredIn ( + -- * All wired in things wiredInTyCons, + -- * Bool boolTy, boolTyCon, boolTyCon_RDR, boolTyConName, trueDataCon, trueDataConId, true_RDR, falseDataCon, falseDataConId, false_RDR, + -- * Char charTyCon, charDataCon, charTyCon_RDR, charTy, stringTy, charTyConName, - + -- * Double doubleTyCon, doubleDataCon, doubleTy, doubleTyConName, + -- * Float floatTyCon, floatDataCon, floatTy, floatTyConName, + -- * Int intTyCon, intDataCon, intTyCon_RDR, intDataCon_RDR, intTyConName, intTy, + -- * Word wordTyCon, wordDataCon, wordTyConName, wordTy, + -- * List listTyCon, nilDataCon, consDataCon, listTyCon_RDR, consDataCon_RDR, listTyConName, mkListTy, - -- tuples + -- * Tuples mkTupleTy, tupleTyCon, tupleCon, unitTyCon, unitDataCon, unitDataConId, pairTyCon, unboxedSingletonTyCon, unboxedSingletonDataCon, unboxedPairTyCon, unboxedPairDataCon, - - boxedTupleArr, unboxedTupleArr, + -- * Unit unitTy, - -- parallel arrays + -- * Parallel arrays mkPArrTy, parrTyCon, parrFakeCon, isPArrTyCon, isPArrFakeCon, parrTyCon_RDR, parrTyConName ) where +#include "HsVersions.h" + import {-# SOURCE #-} MkId( mkDataConIds ) -- friends: @@ -61,10 +68,9 @@ import TysPrim import Constants ( mAX_TUPLE_SIZE ) import Module ( Module ) import RdrName -import Name ( Name, BuiltInSyntax(..), nameUnique, nameOccName, - nameModule, mkWiredInName ) -import OccName ( mkOccNameFS, tcName, dataName, mkTupleOcc, - mkDataConWorkerOcc ) +import Name +import OccName ( mkTcOccFS, mkDataOccFS, mkTupleOcc, mkDataConWorkerOcc, + tcName, dataName ) import DataCon ( DataCon, mkDataCon, dataConWorkId, dataConSourceArity ) import Var import TyCon ( TyCon, AlgTyConRhs(DataTyCon), tyConDataCons, @@ -136,21 +142,21 @@ wiredInTyCons = [ unitTyCon -- Not treated like other tuples, because \begin{code} mkWiredInTyConName :: BuiltInSyntax -> Module -> FastString -> Unique -> TyCon -> Name mkWiredInTyConName built_in modu fs unique tycon - = mkWiredInName modu (mkOccNameFS tcName fs) unique + = mkWiredInName modu (mkTcOccFS fs) unique (ATyCon tycon) -- Relevant TyCon built_in mkWiredInDataConName :: BuiltInSyntax -> Module -> FastString -> Unique -> DataCon -> Name mkWiredInDataConName built_in modu fs unique datacon - = mkWiredInName modu (mkOccNameFS dataName fs) unique + = mkWiredInName modu (mkDataOccFS fs) unique (ADataCon datacon) -- Relevant DataCon built_in charTyConName, charDataConName, intTyConName, intDataConName :: Name -charTyConName = mkWiredInTyConName UserSyntax gHC_BASE (fsLit "Char") charTyConKey charTyCon -charDataConName = mkWiredInDataConName UserSyntax gHC_BASE (fsLit "C#") charDataConKey charDataCon -intTyConName = mkWiredInTyConName UserSyntax gHC_BASE (fsLit "Int") intTyConKey intTyCon -intDataConName = mkWiredInDataConName UserSyntax gHC_BASE (fsLit "I#") intDataConKey intDataCon +charTyConName = mkWiredInTyConName UserSyntax gHC_TYPES (fsLit "Char") charTyConKey charTyCon +charDataConName = mkWiredInDataConName UserSyntax gHC_TYPES (fsLit "C#") charDataConKey charDataCon +intTyConName = mkWiredInTyConName UserSyntax gHC_TYPES (fsLit "Int") intTyConKey intTyCon +intDataConName = mkWiredInDataConName UserSyntax gHC_TYPES (fsLit "I#") intDataConKey intDataCon boolTyConName, falseDataConName, trueDataConName :: Name boolTyConName = mkWiredInTyConName UserSyntax gHC_BOOL (fsLit "Bool") boolTyConKey boolTyCon @@ -158,15 +164,15 @@ falseDataConName = mkWiredInDataConName UserSyntax gHC_BOOL (fsLit "False") fal trueDataConName = mkWiredInDataConName UserSyntax gHC_BOOL (fsLit "True") trueDataConKey trueDataCon listTyConName, nilDataConName, consDataConName :: Name -listTyConName = mkWiredInTyConName BuiltInSyntax gHC_BASE (fsLit "[]") listTyConKey listTyCon -nilDataConName = mkWiredInDataConName BuiltInSyntax gHC_BASE (fsLit "[]") nilDataConKey nilDataCon -consDataConName = mkWiredInDataConName BuiltInSyntax gHC_BASE (fsLit ":") consDataConKey consDataCon +listTyConName = mkWiredInTyConName BuiltInSyntax gHC_TYPES (fsLit "[]") listTyConKey listTyCon +nilDataConName = mkWiredInDataConName BuiltInSyntax gHC_TYPES (fsLit "[]") nilDataConKey nilDataCon +consDataConName = mkWiredInDataConName BuiltInSyntax gHC_TYPES (fsLit ":") consDataConKey consDataCon floatTyConName, floatDataConName, doubleTyConName, doubleDataConName :: Name -floatTyConName = mkWiredInTyConName UserSyntax gHC_FLOAT (fsLit "Float") floatTyConKey floatTyCon -floatDataConName = mkWiredInDataConName UserSyntax gHC_FLOAT (fsLit "F#") floatDataConKey floatDataCon -doubleTyConName = mkWiredInTyConName UserSyntax gHC_FLOAT (fsLit "Double") doubleTyConKey doubleTyCon -doubleDataConName = mkWiredInDataConName UserSyntax gHC_FLOAT (fsLit "D#") doubleDataConKey doubleDataCon +floatTyConName = mkWiredInTyConName UserSyntax gHC_TYPES (fsLit "Float") floatTyConKey floatTyCon +floatDataConName = mkWiredInDataConName UserSyntax gHC_TYPES (fsLit "F#") floatDataConKey floatDataCon +doubleTyConName = mkWiredInTyConName UserSyntax gHC_TYPES (fsLit "Double") doubleTyConKey doubleTyCon +doubleDataConName = mkWiredInDataConName UserSyntax gHC_TYPES (fsLit "D#") doubleDataConKey doubleDataCon parrTyConName, parrDataConName :: Name parrTyConName = mkWiredInTyConName BuiltInSyntax gHC_PARR (fsLit "[::]") parrTyConKey parrTyCon @@ -249,7 +255,8 @@ pcDataConWithFixity declared_infix dc_name tyvars arg_tys tycon (mkDataConIds bogus_wrap_name wrk_name data_con) - modu = nameModule dc_name + modu = ASSERT( isExternalName dc_name ) + nameModule dc_name wrk_occ = mkDataConWorkerOcc (nameOccName dc_name) wrk_key = incrUnique (nameUnique dc_name) wrk_name = mkWiredInName modu wrk_occ wrk_key @@ -474,6 +481,7 @@ listTyCon = pcRecDataTyCon listTyConName alpha_tyvar [nilDataCon, consDataCon] nilDataCon :: DataCon nilDataCon = pcDataCon nilDataConName alpha_tyvar [] listTyCon + consDataCon :: DataCon consDataCon = pcDataConWithFixity True {- Declared infix -} consDataConName @@ -546,19 +554,17 @@ unitTy = mkTupleTy Boxed 0 [] Special syntax for parallel arrays needs some wired in definitions. \begin{code} --- construct a type representing the application of the parallel array --- constructor --- +-- | Construct a type representing the application of the parallel array constructor mkPArrTy :: Type -> Type mkPArrTy ty = mkTyConApp parrTyCon [ty] --- represents the type constructor of parallel arrays +-- | Represents the type constructor of parallel arrays -- --- * this must match the definition in `PrelPArr' +-- * This must match the definition in @PrelPArr@ -- -- NB: Although the constructor is given here, it will not be accessible in -- user code as it is not in the environment of any compiled module except --- `PrelPArr'. +-- @PrelPArr@. -- parrTyCon :: TyCon parrTyCon = pcNonRecDataTyCon parrTyConName alpha_tyvar [parrDataCon] @@ -573,14 +579,13 @@ parrDataCon = pcDataCon alpha_ty] parrTyCon --- check whether a type constructor is the constructor for parallel arrays --- +-- | Check whether a type constructor is the constructor for parallel arrays isPArrTyCon :: TyCon -> Bool isPArrTyCon tc = tyConName tc == parrTyConName --- fake array constructors +-- | Fake array constructors -- --- * these constructors are never really used to represent array values; +-- * These constructors are never really used to represent array values; -- however, they are very convenient during desugaring (and, in particular, -- in the pattern matching compiler) to treat array pattern just like -- yet another constructor pattern @@ -604,12 +609,11 @@ mkPArrFakeCon arity = data_con tyvar = head alphaTyVars tyvarTys = replicate arity $ mkTyVarTy tyvar nameStr = mkFastString ("MkPArr" ++ show arity) - name = mkWiredInName gHC_PARR (mkOccNameFS dataName nameStr) unique + name = mkWiredInName gHC_PARR (mkDataOccFS nameStr) unique (ADataCon data_con) UserSyntax unique = mkPArrDataConUnique arity --- checks whether a data constructor is a fake constructor for parallel arrays --- +-- | Checks whether a data constructor is a fake constructor for parallel arrays isPArrFakeCon :: DataCon -> Bool isPArrFakeCon dcon = dcon == parrFakeCon (dataConSourceArity dcon) \end{code}