import ParserCoreUtils
import LexCore
import Literal
-import BasicTypes
import SrcLoc
import TysPrim( wordPrimTyCon, intPrimTyCon, charPrimTyCon,
floatPrimTyCon, doublePrimTyCon, addrPrimTyCon )
tdef :: { TyClDecl RdrName }
: '%data' q_tc_name tv_bndrs '=' '{' cons1 '}'
- { mkTyData DataType (noLoc [], noLoc (ifaceExtRdrName $2), map toHsTvBndr $3) $6 Nothing }
+ { mkTyData DataType (noLoc (noLoc [], noLoc (ifaceExtRdrName $2), map toHsTvBndr $3)) Nothing $6 Nothing }
| '%newtype' q_tc_name tv_bndrs trep
{ let tc_rdr = ifaceExtRdrName $2 in
- mkTyData NewType (noLoc [], noLoc tc_rdr, map toHsTvBndr $3) ($4 (rdrNameOcc tc_rdr)) Nothing }
+ mkTyData NewType (noLoc (noLoc [], noLoc tc_rdr, map toHsTvBndr $3)) Nothing ($4 (rdrNameOcc tc_rdr)) Nothing }
-- For a newtype we have to invent a fake data constructor name
-- It doesn't matter what it is, because it won't be used
trep :: { OccName -> [LConDecl RdrName] }
: {- empty -} { (\ tc_occ -> []) }
| '=' ty { (\ tc_occ -> let { dc_name = mkRdrUnqual (setOccNameSpace dataName tc_occ) ;
- con_info = PrefixCon [unbangedType (toHsType $2)] }
+ con_info = PrefixCon [toHsType $2] }
in [noLoc $ ConDecl (noLoc dc_name) []
(noLoc []) con_info]) }
con :: { LConDecl RdrName }
: d_pat_occ attv_bndrs hs_atys
- { noLoc $ ConDecl (noLoc (mkRdrUnqual $1)) $2 (noLoc []) (PrefixCon (map unbangedType $3))}
+ { noLoc $ ConDecl (noLoc (mkRdrUnqual $1)) $2 (noLoc []) (PrefixCon $3)}
+ | d_pat_occ '::' ty
+ { noLoc $ GadtDecl (noLoc (mkRdrUnqual $1)) (toHsType $3) }
attv_bndrs :: { [LHsTyVarBndr RdrName] }
: {- empty -} { [] }
: fexp { $1 }
| '\\' bndrs '->' exp { foldr IfaceLam $4 $2 }
| '%let' let_bind '%in' exp { IfaceLet $2 $4 }
- | '%case' aexp '%of' id_bndr
- '{' alts1 '}' { IfaceCase $2 (fst $4) $6 }
+-- gaw 2004
+ | '%case' '(' ty ')' aexp '%of' id_bndr
+ '{' alts1 '}' { IfaceCase $5 (fst $7) $3 $9 }
| '%coerce' aty exp { IfaceNote (IfaceCoerce $2) $3 }
| '%note' STRING exp
{ case $2 of