%
+% (c) The University of Glasgow 2006
% (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
%
This module converts Template Haskell syntax into HsSyn
-
\begin{code}
-module Convert( convertToHsExpr, convertToHsDecls, convertToHsType, thRdrName ) where
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
-#include "HsVersions.h"
+module Convert( convertToHsExpr, convertToHsDecls,
+ convertToHsType, thRdrName ) where
-import Language.Haskell.TH as TH hiding (sigP)
-import Language.Haskell.TH.Syntax as TH
+#include "HsVersions.h"
import HsSyn as Hs
-import qualified Class (FunDep)
-import RdrName ( RdrName, mkRdrUnqual, mkRdrQual, mkOrig, getRdrName, nameRdrName )
-import qualified Name ( Name, mkInternalName, getName )
-import Module ( ModuleName, mkModuleName, mkModule )
-import RdrHsSyn ( mkClassDecl, mkTyData )
+import qualified Class
+import RdrName
+import qualified Name
+import Module
+import RdrHsSyn
import qualified OccName
-import PackageConfig ( PackageId, stringToPackageId )
-import OccName ( startsVarId, startsVarSym, startsConId, startsConSym,
- pprNameSpace )
-import SrcLoc ( Located(..), SrcSpan )
-import Type ( Type )
-import TysWiredIn ( unitTyCon, tupleTyCon, tupleCon, trueDataCon, nilDataCon, consDataCon )
-import BasicTypes( Boxity(..) )
-import ForeignCall ( Safety(..), CCallConv(..), CCallTarget(..),
- CExportSpec(..))
-import Char ( isAscii, isAlphaNum, isAlpha )
-import List ( partition )
-import Unique ( Unique, mkUniqueGrimily )
-import ErrUtils ( Message )
-import GLAEXTS ( Int(..), Int# )
-import SrcLoc ( noSrcLoc )
-import Bag ( listToBag )
+import PackageConfig
+import OccName
+import SrcLoc
+import Type
+import TysWiredIn
+import BasicTypes
+import ForeignCall
+import Char
+import List
+import Unique
+import ErrUtils
+import Bag
import FastString
import Outputable
+import Language.Haskell.TH as TH hiding (sigP)
+import Language.Haskell.TH.Syntax as TH
+import GHC.Exts
-------------------------------------------------------------------
-- The external interface
= do { tc' <- tconNameL tc
; tvs' <- cvtTvs tvs
; rhs' <- cvtType rhs
- ; returnL $ TyClD (TySynonym tc' tvs' rhs') }
+ ; returnL $ TyClD (TySynonym tc' tvs' Nothing rhs') }
cvtTop (DataD ctxt tc tvs constrs derivs)
= do { stuff <- cvt_tycl_hdr ctxt tc tvs
; returnL $ TyClD (mkTyData NewType stuff Nothing [con'] derivs') }
cvtTop (ClassD ctxt cl tvs fds decs)
- = do { stuff <- cvt_tycl_hdr ctxt cl tvs
+ = do { (cxt', tc', tvs', _) <- cvt_tycl_hdr ctxt cl tvs
; fds' <- mapM cvt_fundep fds
; (binds', sigs') <- cvtBindsAndSigs decs
- ; returnL $ TyClD $ mkClassDecl stuff fds' sigs' binds' }
+ ; returnL $ TyClD $ mkClassDecl (cxt', tc', tvs') fds' sigs' binds' [] []
+ -- no ATs or docs in TH ^^ ^^
+ }
cvtTop (InstanceD tys ty decs)
= do { (binds', sigs') <- cvtBindsAndSigs decs
; ctxt' <- cvtContext tys
; L loc pred' <- cvtPred ty
; inst_ty' <- returnL $ mkImplicitHsForAllTy ctxt' (L loc (HsPredTy pred'))
- ; returnL $ InstD (InstDecl inst_ty' binds' sigs') }
+ ; returnL $ InstD (InstDecl inst_ty' binds' sigs' [])
+ -- ^^no ATs in TH
+ }
cvtTop (ForeignD ford) = do { ford' <- cvtForD ford; returnL $ ForD ford' }
= do { cxt' <- cvtContext cxt
; tc' <- tconNameL tc
; tvs' <- cvtTvs tvs
- ; return (cxt', tc', tvs') }
+ ; return (cxt', tc', tvs', Nothing) }
---------------------------------------------------
-- Data types
= do { c' <- cNameL c
; cxt' <- returnL []
; tys' <- mapM cvt_arg strtys
- ; returnL $ ConDecl c' Explicit noExistentials cxt' (PrefixCon tys') ResTyH98 }
+ ; returnL $ ConDecl c' Explicit noExistentials cxt' (PrefixCon tys') ResTyH98 Nothing }
cvtConstr (RecC c varstrtys)
= do { c' <- cNameL c
; cxt' <- returnL []
; args' <- mapM cvt_id_arg varstrtys
- ; returnL $ ConDecl c' Explicit noExistentials cxt' (RecCon args') ResTyH98 }
+ ; returnL $ ConDecl c' Explicit noExistentials cxt' (RecCon args') ResTyH98 Nothing }
cvtConstr (InfixC st1 c st2)
= do { c' <- cNameL c
; cxt' <- returnL []
; st1' <- cvt_arg st1
; st2' <- cvt_arg st2
- ; returnL $ ConDecl c' Explicit noExistentials cxt' (InfixCon st1' st2') ResTyH98 }
+ ; returnL $ ConDecl c' Explicit noExistentials cxt' (InfixCon st1' st2') ResTyH98 Nothing }
cvtConstr (ForallC tvs ctxt (ForallC tvs' ctxt' con'))
= cvtConstr (ForallC (tvs ++ tvs') (ctxt ++ ctxt') con')
; tvs' <- cvtTvs tvs
; ctxt' <- cvtContext ctxt
; case con' of
- ConDecl l _ [] (L _ []) x ResTyH98
- -> returnL $ ConDecl l Explicit tvs' ctxt' x ResTyH98
+ ConDecl l _ [] (L _ []) x ResTyH98 _
+ -> returnL $ ConDecl l Explicit tvs' ctxt' x ResTyH98 Nothing
c -> panic "ForallC: Can't happen" }
cvt_arg (IsStrict, ty) = do { ty' <- cvtType ty; returnL $ HsBangTy HsStrict ty' }
cvt_arg (NotStrict, ty) = cvtType ty
-cvt_id_arg (i, str, ty) = do { i' <- vNameL i
- ; ty' <- cvt_arg (str,ty)
- ; return (i', ty') }
+cvt_id_arg (i, str, ty)
+ = do { i' <- vNameL i
+ ; ty' <- cvt_arg (str,ty)
+ ; return (ConDeclField { cd_fld_name = i', cd_fld_type = ty', cd_fld_doc = Nothing}) }
cvtDerivs [] = return Nothing
cvtDerivs cs = do { cs' <- mapM cvt_one cs
= do { nm' <- vNameL nm
; ty' <- cvtType ty
; let i = CImport (cvt_conv callconv) safety' c_header nilFS cis
- ; return $ ForeignImport nm' ty' i False }
+ ; return $ ForeignImport nm' ty' i }
| otherwise
= failWith $ text (show from)<+> ptext SLIT("is not a valid ccall impent")
= do { nm' <- vNameL nm
; ty' <- cvtType ty
; let e = CExport (CExportStatic (mkFastString as) (cvt_conv callconv))
- ; return $ ForeignExport nm' ty' e False }
+ ; return $ ForeignExport nm' ty' e }
-cvt_conv CCall = CCallConv
-cvt_conv StdCall = StdCallConv
+cvt_conv TH.CCall = CCallConv
+cvt_conv TH.StdCall = StdCallConv
parse_ccall_impent :: String -> String -> Maybe (FastString, CImportSpec)
parse_ccall_impent nm s
; return $ ExprWithTySig e' t' }
cvt (RecConE c flds) = do { c' <- cNameL c
; flds' <- mapM cvtFld flds
- ; return $ RecordCon c' noPostTcExpr flds' }
+ ; return $ RecordCon c' noPostTcExpr (HsRecFields flds' Nothing)}
cvt (RecUpdE e flds) = do { e' <- cvtl e
; flds' <- mapM cvtFld flds
- ; return $ RecordUpd e' flds' placeHolderType placeHolderType }
+ ; return $ RecordUpd e' (HsRecFields flds' Nothing) [] [] [] }
-cvtFld (v,e) = do { v' <- vNameL v; e' <- cvtl e; return (v',e') }
+cvtFld (v,e)
+ = do { v' <- vNameL v; e' <- cvtl e
+ ; return (HsRecField { hsRecFieldId = v', hsRecFieldArg = e', hsRecPun = False}) }
cvtDD :: Range -> CvtM (ArithSeqInfo RdrName)
cvtDD (FromR x) = do { x' <- cvtl x; return $ From x' }
; returnL $ GRHS gs' rhs' }
cvtOverLit :: Lit -> CvtM (HsOverLit RdrName)
-cvtOverLit (IntegerL i) = do { force i; return $ mkHsIntegral i }
-cvtOverLit (RationalL r) = do { force r; return $ mkHsFractional r }
+cvtOverLit (IntegerL i) = do { force i; return $ mkHsIntegral i placeHolderType}
+cvtOverLit (RationalL r) = do { force r; return $ mkHsFractional r placeHolderType}
+cvtOverLit (StringL s) = do { let { s' = mkFastString s }; force s'; return $ mkHsIsString s' placeHolderType }
-- An Integer is like an an (overloaded) '3' in a Haskell source program
-- Similarly 3.5 for fractionals
cvtp (TH.AsP s p) = do { s' <- vNameL s; p' <- cvtPat p; return $ AsPat s' p' }
cvtp TH.WildP = return $ WildPat void
cvtp (RecP c fs) = do { c' <- cNameL c; fs' <- mapM cvtPatFld fs
- ; return $ ConPatIn c' $ Hs.RecCon fs' }
+ ; return $ ConPatIn c' $ Hs.RecCon (HsRecFields fs' Nothing) }
cvtp (ListP ps) = do { ps' <- cvtPats ps; return $ ListPat ps' void }
cvtp (SigP p t) = do { p' <- cvtPat p; t' <- cvtType t; return $ SigPatIn p' t' }
-cvtPatFld (s,p) = do { s' <- vNameL s; p' <- cvtPat p; return (s',p') }
+cvtPatFld (s,p)
+ = do { s' <- vNameL s; p' <- cvtPat p
+ ; return (HsRecField { hsRecFieldId = s', hsRecFieldArg = p', hsRecPun = False}) }
-----------------------------------------------------------
-- Types and type variables
--
-- The strict applications ensure that any buried exceptions get forced
thRdrName ctxt_ns occ (TH.NameG th_ns pkg mod) = (mkOrig $! (mkModule (mk_pkg pkg) (mk_mod mod))) $! (mk_occ (mk_ghc_ns th_ns) occ)
-thRdrName ctxt_ns occ (TH.NameL uniq) = nameRdrName $! (((Name.mkInternalName $! (mk_uniq uniq)) $! (mk_occ ctxt_ns occ)) noSrcLoc)
+thRdrName ctxt_ns occ (TH.NameL uniq) = nameRdrName $! (((Name.mkInternalName $! (mk_uniq uniq)) $! (mk_occ ctxt_ns occ)) noSrcSpan)
thRdrName ctxt_ns occ (TH.NameQ mod) = (mkRdrQual $! (mk_mod mod)) $! (mk_occ ctxt_ns occ)
thRdrName ctxt_ns occ (TH.NameU uniq) = mkRdrUnqual $! (mk_uniq_occ ctxt_ns occ uniq)
thRdrName ctxt_ns occ TH.NameS
projects / ghc-hetmet.git / blobdiff