X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Frename%2FParseIface.y;h=5107c5bc0faf811b7ec63ade1ae1385e87bc9280;hb=1fb1ab5d53a09607e7f6d2450806760688396387;hp=bc4137d4093268cf203e492f18830d666139bbe2;hpb=ae45ff0e9831a0dc862a5d68d03e355d7e323c62;p=ghc-hetmet.git diff --git a/ghc/compiler/rename/ParseIface.y b/ghc/compiler/rename/ParseIface.y index bc4137d..5107c5b 100644 --- a/ghc/compiler/rename/ParseIface.y +++ b/ghc/compiler/rename/ParseIface.y @@ -1,29 +1,39 @@ { #include "HsVersions.h" - module ParseIface ( parseIface ) where IMP_Ubiq(){-uitous-} -import ParseUtils +import CmdLineOpts ( opt_IgnoreIfacePragmas ) import HsSyn -- quite a bit of stuff import RdrHsSyn -- oodles of synonyms -import HsPragmas ( noGenPragmas ) +import HsDecls ( HsIdInfo(..) ) +import HsTypes ( mkHsForAllTy ) +import HsCore +import Literal +import HsPragmas ( noGenPragmas, noDataPragmas, noClassPragmas, noClassOpPragmas, noInstancePragmas ) +import IdInfo ( exactArity, mkStrictnessInfo, mkBottomStrictnessInfo, + ArgUsageInfo, FBTypeInfo + ) +import Kind ( Kind, mkArrowKind, mkTypeKind ) +import Lex +import RnMonad ( SYN_IE(ImportVersion), SYN_IE(LocalVersion), ParsedIface(..), + SYN_IE(RdrNamePragma), SYN_IE(ExportItem) + ) import Bag ( emptyBag, unitBag, snocBag ) -import FiniteMap ( emptyFM, unitFM, addToFM, plusFM, bagToFM ) -import Name ( ExportFlag(..), mkTupNameStr, preludeQual, - RdrName(..){-instance Outputable:ToDo:rm-} - ) -import Outputable -- ToDo:rm -import PprStyle ( PprStyle(..) ) -- ToDo: rm debugging +import FiniteMap ( emptyFM, unitFM, addToFM, plusFM, bagToFM, FiniteMap ) +import Name ( OccName(..), isTCOcc, Provenance ) import SrcLoc ( mkIfaceSrcLoc ) -import Util ( panic, pprPanic{-ToDo:rm-} ) +import Util ( panic{-, pprPanic ToDo:rm-} ) +import ParseType ( parseType ) +import ParseUnfolding ( parseUnfolding ) +import Maybes ----------------------------------------------------------------- -parseIface = parseIToks . lexIface +parseIface ls = parseIToks (lexIface ls) ----------------------------------------------------------------- } @@ -42,33 +52,33 @@ parseIface = parseIToks . lexIface FIXITIES_PART { ITfixities } DECLARATIONS_PART { ITdeclarations } PRAGMAS_PART { ITpragmas } - BANG { ITbang } - CBRACK { ITcbrack } - CCURLY { ITccurly } - DCCURLY { ITdccurly } + DATA { ITdata } + TYPE { ITtype } + NEWTYPE { ITnewtype } + DERIVING { ITderiving } CLASS { ITclass } + WHERE { ITwhere } + INSTANCE { ITinstance } + INFIXL { ITinfixl } + INFIXR { ITinfixr } + INFIX { ITinfix } + FORALL { ITforall } + BANG { ITbang } + VBAR { ITvbar } + DCOLON { ITdcolon } COMMA { ITcomma } - CPAREN { ITcparen } DARROW { ITdarrow } - DATA { ITdata } - DCOLON { ITdcolon } DOTDOT { ITdotdot } EQUAL { ITequal } - INFIX { ITinfix } - INFIXL { ITinfixl } - INFIXR { ITinfixr } - INSTANCE { ITinstance } - NEWTYPE { ITnewtype } - OBRACK { ITobrack } OCURLY { ITocurly } - DOCURLY { ITdocurly } + OBRACK { ITobrack } OPAREN { IToparen } RARROW { ITrarrow } + CCURLY { ITccurly } + CBRACK { ITcbrack } + CPAREN { ITcparen } SEMI { ITsemi } - TYPE { ITtype } - VBAR { ITvbar } - WHERE { ITwhere } - INTEGER { ITinteger $$ } + VARID { ITvarid $$ } CONID { ITconid $$ } VARSYM { ITvarsym $$ } @@ -77,317 +87,368 @@ parseIface = parseIToks . lexIface QCONID { ITqconid $$ } QVARSYM { ITqvarsym $$ } QCONSYM { ITqconsym $$ } + + IDINFO_PART { ITidinfo $$ } + TYPE_PART { ITtysig $$ } + ARITY_PART { ITarity } + STRICT_PART { ITstrict } + UNFOLD_PART { ITunfold } + DEMAND { ITdemand $$ } + BOTTOM { ITbottom } + LAM { ITlam } + BIGLAM { ITbiglam } + CASE { ITcase } + PRIM_CASE { ITprim_case } + LET { ITlet } + LETREC { ITletrec } + IN { ITin } + OF { ITof } + COERCE_IN { ITcoerce_in } + COERCE_OUT { ITcoerce_out } + ATSIGN { ITatsign } + CCALL { ITccall $$ } + SCC { ITscc $$ } + + CHAR { ITchar $$ } + STRING { ITstring $$ } + INTEGER { ITinteger $$ } + DOUBLE { ITdouble $$ } + + INTEGER_LIT { ITinteger_lit } + FLOAT_LIT { ITfloat_lit } + RATIONAL_LIT { ITrational_lit } + ADDR_LIT { ITaddr_lit } + LIT_LIT { ITlit_lit } + STRING_LIT { ITstring_lit } + + UNKNOWN { ITunknown $$ } %% iface :: { ParsedIface } iface : INTERFACE CONID INTEGER - usages_part versions_part - exports_part inst_modules_part - fixities_part decls_part instances_part pragmas_part - { case $9 of { (tm, vm) -> - ParsedIface $2 (panic "merge modules") (fromInteger $3) Nothing{-src version-} - $4 -- usages - $5 -- local versions - $6 -- exports map - $7 -- instance modules - $8 -- fixities map - tm -- decls maps - vm - $10 -- local instances - $11 -- pragmas map + inst_modules_part + usages_part + exports_part fixities_part + instances_part + decls_part + { ParsedIface + $2 -- Module name + (fromInteger $3) -- Module version + $5 -- Usages + $6 -- Exports + $4 -- Instance modules + $7 -- Fixities + $9 -- Decls + $8 -- Local instances } + + +usages_part :: { [ImportVersion OccName] } +usages_part : USAGES_PART module_stuff_pairs { $2 } + | { [] } + +module_stuff_pairs :: { [ImportVersion OccName] } +module_stuff_pairs : { [] } + | module_stuff_pair module_stuff_pairs { $1 : $2 } + +module_stuff_pair :: { ImportVersion OccName } +module_stuff_pair : mod_name INTEGER DCOLON name_version_pairs SEMI + { ($1, fromInteger $2, $4) } + +versions_part :: { [LocalVersion OccName] } +versions_part : VERSIONS_PART name_version_pairs { $2 } + | { [] } + +name_version_pairs :: { [LocalVersion OccName] } +name_version_pairs : { [] } + | name_version_pair name_version_pairs { $1 : $2 } + +name_version_pair :: { LocalVersion OccName } +name_version_pair : entity_occ INTEGER { ($1, fromInteger $2) -------------------------------------------------------------------------- - } - -usages_part :: { UsagesMap } -usages_part : USAGES_PART module_stuff_pairs { bagToFM $2 } - | { emptyFM } - -versions_part :: { VersionsMap } -versions_part : VERSIONS_PART name_version_pairs { bagToFM $2 } - | { emptyFM } - -module_stuff_pairs :: { Bag (Module, (Version, FiniteMap FAST_STRING Version)) } -module_stuff_pairs : module_stuff_pair - { unitBag $1 } - | module_stuff_pairs module_stuff_pair - { $1 `snocBag` $2 } - -module_stuff_pair :: { (Module, (Version, FiniteMap FAST_STRING Version)) } -module_stuff_pair : CONID INTEGER DCOLON name_version_pairs SEMI - { ($1, (fromInteger $2, bagToFM $4)) } - -name_version_pairs :: { Bag (FAST_STRING, Int) } -name_version_pairs : name_version_pair - { unitBag $1 } - | name_version_pairs name_version_pair - { $1 `snocBag` $2 } - -name_version_pair :: { (FAST_STRING, Int) } -name_version_pair : name INTEGER - { ($1, fromInteger $2) --------------------------------------------------------------------------- - } + } + +exports_part :: { [ExportItem] } +exports_part : EXPORTS_PART export_items { $2 } + | { [] } -exports_part :: { ExportsMap } -exports_part : EXPORTS_PART export_items { bagToFM $2 } - | { emptyFM } +export_items :: { [ExportItem] } +export_items : { [] } + | mod_name entities SEMI export_items { ($1,$2) : $4 } -export_items :: { Bag (FAST_STRING, (OrigName, ExportFlag)) } -export_items : export_item { unitBag $1 } - | export_items export_item { $1 `snocBag` $2 } +entities :: { [(OccName, [OccName])] } +entities : { [] } + | entity entities { $1 : $2 } -export_item :: { (FAST_STRING, (OrigName, ExportFlag)) } -export_item : CONID name maybe_dotdot { ($2, (OrigName $1 $2, $3)) } +entity :: { (OccName, [OccName]) } +entity : entity_occ { ($1, if isTCOcc $1 + then [$1] {- AvailTC -} + else []) {- Avail -} } + | entity_occ stuff_inside { ($1, ($1 : $2)) {- TyCls exported too -} } + | entity_occ BANG stuff_inside { ($1, $3) {- TyCls not exported -} } -maybe_dotdot :: { ExportFlag } -maybe_dotdot : DOTDOT { ExportAll } - | { ExportAbs +stuff_inside :: { [OccName] } +stuff_inside : OPAREN val_occs1 CPAREN { $2 -------------------------------------------------------------------------- - } + } -inst_modules_part :: { Bag Module } -inst_modules_part : INSTANCE_MODULES_PART mod_list { $2 } - | { emptyBag } +inst_modules_part :: { [Module] } +inst_modules_part : { [] } + | INSTANCE_MODULES_PART mod_list { $2 } -mod_list :: { Bag Module } -mod_list : CONID { unitBag $1 } - | mod_list CONID { $1 `snocBag` $2 +mod_list :: { [Module] } +mod_list : { [] } + | mod_name mod_list { $1 : $2 -------------------------------------------------------------------------- - } + } -fixities_part :: { FixitiesMap } -fixities_part : FIXITIES_PART fixes { $2 } - | { emptyFM } +fixities_part :: { [(OccName,Fixity)] } +fixities_part : { [] } + | FIXITIES_PART fixes { $2 } -fixes :: { FixitiesMap } -fixes : fix { case $1 of (k,v) -> unitFM k v } - | fixes fix { case $2 of (k,v) -> addToFM $1 k v } +fixes :: { [(OccName,Fixity)] } +fixes : { [] } + | fix fixes { $1 : $2 } -fix :: { (FAST_STRING, RdrNameFixityDecl) } -fix : INFIXL INTEGER qname SEMI { (de_qual $3, InfixL $3 (fromInteger $2)) } - | INFIXR INTEGER qname SEMI { (de_qual $3, InfixR $3 (fromInteger $2)) } - | INFIX INTEGER qname SEMI { (de_qual $3, InfixN $3 (fromInteger $2)) +fix :: { (OccName, Fixity) } +fix : INFIXL INTEGER val_occ SEMI { ($3, Fixity (fromInteger $2) InfixL) } + | INFIXR INTEGER val_occ SEMI { ($3, Fixity (fromInteger $2) InfixR) } + | INFIX INTEGER val_occ SEMI { ($3, Fixity (fromInteger $2) InfixN) -------------------------------------------------------------------------- - } - -decls_part :: { (LocalTyDefsMap, LocalValDefsMap) } -decls_part : DECLARATIONS_PART topdecls { $2 } - | { (emptyFM, emptyFM) } - -topdecls :: { (LocalTyDefsMap, LocalValDefsMap) } -topdecls : topdecl { $1 } - | topdecls topdecl { case $1 of { (ts1, vs1) -> - case $2 of { (ts2, vs2) -> - (plusFM ts1 ts2, plusFM vs1 vs2)}} - } - -topdecl :: { (LocalTyDefsMap, LocalValDefsMap) } -topdecl : typed SEMI { ($1, emptyFM) } - | datad SEMI { $1 } - | newtd SEMI { $1 } - | classd SEMI { $1 } - | decl { case $1 of { (n, Sig qn ty _ loc) -> - (emptyFM, unitFM n (ValSig qn loc ty)) } - } - -typed :: { LocalTyDefsMap } -typed : TYPE simple EQUAL type { mk_type $2 $4 } - -datad :: { (LocalTyDefsMap, LocalValDefsMap) } -datad : DATA simple EQUAL constrs { mk_data [] $2 $4 } - | DATA context DARROW simple EQUAL constrs { mk_data $2 $4 $6 } - -newtd :: { (LocalTyDefsMap, LocalValDefsMap) } -newtd : NEWTYPE simple EQUAL constr1 { mk_new [] $2 $4 } - | NEWTYPE context DARROW simple EQUAL constr1 { mk_new $2 $4 $6 } - -classd :: { (LocalTyDefsMap, LocalValDefsMap) } -classd : CLASS class cbody { mk_class [] $2 $3 } - | CLASS context DARROW class cbody { mk_class $2 $4 $5 } - -cbody :: { [(FAST_STRING, RdrNameSig)] } -cbody : WHERE OCURLY decls CCURLY { $3 } - | { [] } - -decls :: { [(FAST_STRING, RdrNameSig)] } -decls : decl { [$1] } - | decls decl { $1 ++ [$2] } - -decl :: { (FAST_STRING, RdrNameSig) } -decl : var DCOLON ctype SEMI { (de_qual $1, Sig $1 $3 noGenPragmas mkIfaceSrcLoc) } + } + +decls_part :: { [(Version, RdrNameHsDecl)] } +decls_part : { [] } + | DECLARATIONS_PART topdecls { $2 } + +topdecls :: { [(Version, RdrNameHsDecl)] } +topdecls : { [] } + | version topdecl topdecls { ($1,$2) : $3 } + +version :: { Version } +version : INTEGER { fromInteger $1 } + +topdecl :: { RdrNameHsDecl } +topdecl : TYPE tc_name tv_bndrs EQUAL type SEMI + { TyD (TySynonym $2 $3 $5 mkIfaceSrcLoc) } + | DATA decl_context tc_name tv_bndrs constrs deriving SEMI + { TyD (TyData $2 $3 $4 $5 $6 noDataPragmas mkIfaceSrcLoc) } + | NEWTYPE decl_context tc_name tv_bndrs EQUAL constr1 deriving SEMI + { TyD (TyNew $2 $3 $4 $6 $7 noDataPragmas mkIfaceSrcLoc) } + | CLASS decl_context tc_name tv_bndr csigs SEMI + { ClD (ClassDecl $2 $3 $4 $5 EmptyMonoBinds noClassPragmas mkIfaceSrcLoc) } + | var_name TYPE_PART id_info + { + let + (Succeeded tp) = parseType $2 + in + SigD (IfaceSig $1 tp $3 mkIfaceSrcLoc) } + +id_info :: { [HsIdInfo RdrName] } +id_info : { [] } + | IDINFO_PART { let { (Succeeded id_info) = parseUnfolding $1 } in id_info} + +decl_context :: { RdrNameContext } +decl_context : { [] } + | OCURLY context_list1 CCURLY DARROW { $2 } + + +csigs :: { [RdrNameSig] } +csigs : { [] } + | WHERE OCURLY csigs1 CCURLY { $3 } + +csigs1 :: { [RdrNameSig] } +csigs1 : csig { [$1] } + | csig SEMI csigs1 { $1 : $3 } + +csig :: { RdrNameSig } +csig : var_name DCOLON type { ClassOpSig $1 $1 $3 mkIfaceSrcLoc +---------------------------------------------------------------- + } + +constrs :: { [RdrNameConDecl] } + : { [] } + | EQUAL constrs1 { $2 } + +constrs1 :: { [RdrNameConDecl] } +constrs1 : constr { [$1] } + | constr VBAR constrs1 { $1 : $3 } + +constr :: { RdrNameConDecl } +constr : data_name batypes { ConDecl $1 $2 mkIfaceSrcLoc } + | data_name OCURLY fields1 CCURLY { RecConDecl $1 $3 mkIfaceSrcLoc } + +constr1 :: { RdrNameConDecl {- For a newtype -} } +constr1 : data_name atype { NewConDecl $1 $2 mkIfaceSrcLoc } + +deriving :: { Maybe [RdrName] } + : { Nothing } + | DERIVING OPAREN qtc_names1 CPAREN { Just $3 } + +batypes :: { [RdrNameBangType] } +batypes : { [] } + | batype batypes { $1 : $2 } + +batype :: { RdrNameBangType } +batype : atype { Unbanged $1 } + | BANG atype { Banged $2 } + +fields1 :: { [([RdrName], RdrNameBangType)] } +fields1 : field { [$1] } + | field COMMA fields1 { $1 : $3 } + +field :: { ([RdrName], RdrNameBangType) } +field : var_names1 DCOLON type { ($1, Unbanged $3) } + | var_names1 DCOLON BANG type { ($1, Banged $4) +-------------------------------------------------------------------------- + } + +forall :: { [HsTyVar RdrName] } +forall : OBRACK tv_bndrs CBRACK { $2 } context :: { RdrNameContext } -context : DOCURLY context_list DCCURLY { reverse $2 } - -context_list :: { RdrNameContext{-reversed-} } -context_list : class { [$1] } - | context_list COMMA class { $3 : $1 } - -class :: { (RdrName, RdrName) } -class : gtycon VARID { ($1, Unqual $2) } - -ctype :: { RdrNamePolyType } -ctype : context DARROW type { HsPreForAllTy $1 $3 } - | type { HsPreForAllTy [] $1 } - -type :: { RdrNameMonoType } -type : btype { $1 } - | btype RARROW type { MonoFunTy $1 $3 } - -types :: { [RdrNameMonoType] } -types : type { [$1] } - | types COMMA type { $1 ++ [$3] } - -btype :: { RdrNameMonoType } -btype : gtyconapp { case $1 of (tc, tys) -> MonoTyApp tc tys } - | ntyconapp { case $1 of { (ty1, tys) -> - if null tys - then ty1 - else - case ty1 of { - MonoTyVar tv -> MonoTyApp tv tys; - MonoTyApp tc ts -> MonoTyApp tc (ts++tys); - MonoFunTy t1 t2 -> MonoTyApp (preludeQual SLIT("->")) (t1:t2:tys); - MonoListTy ty -> MonoTyApp (preludeQual SLIT("[]")) (ty:tys); - MonoTupleTy ts -> MonoTyApp (preludeQual (mkTupNameStr (length ts))) - (ts++tys); - _ -> pprPanic "test:" (ppr PprDebug $1) - }} - } +context : { [] } + | OCURLY context_list1 CCURLY { $2 } -ntyconapp :: { (RdrNameMonoType, [RdrNameMonoType]) } -ntyconapp : ntycon { ($1, []) } - | ntyconapp atype { case $1 of (t1,tys) -> (t1, tys ++ [$2]) } - -gtyconapp :: { (RdrName, [RdrNameMonoType]) } -gtyconapp : gtycon { ($1, []) } - | gtyconapp atype { case $1 of (tc,tys) -> (tc, tys ++ [$2]) } - -atype :: { RdrNameMonoType } -atype : gtycon { MonoTyApp $1 [] } - | ntycon { $1 } - -atypes :: { [RdrNameMonoType] } -atypes : atype { [$1] } - | atypes atype { $1 ++ [$2] } - -ntycon :: { RdrNameMonoType } -ntycon : VARID { MonoTyVar (Unqual $1) } - | OPAREN type COMMA types CPAREN { MonoTupleTy ($2 : $4) } - | OBRACK type CBRACK { MonoListTy $2 } - | OPAREN type CPAREN { $2 } - -gtycon :: { RdrName } -gtycon : QCONID { $1 } - | OPAREN RARROW CPAREN { preludeQual SLIT("->") } - | OBRACK CBRACK { preludeQual SLIT("[]") } - | OPAREN CPAREN { preludeQual SLIT("()") } - | OPAREN commas CPAREN { preludeQual (mkTupNameStr $2) } - -commas :: { Int } -commas : COMMA { 2{-1 comma => arity 2-} } - | commas COMMA { $1 + 1 } - -simple :: { (RdrName, [FAST_STRING]) } -simple : gtycon { ($1, []) } - | gtyconvars { case $1 of (tc,tvs) -> (tc, reverse tvs) } - -gtyconvars :: { (RdrName, [FAST_STRING] {-reversed-}) } -gtyconvars : gtycon VARID { ($1, [$2]) } - | gtyconvars VARID { case $1 of (tc,tvs) -> (tc, $2 : tvs) } - -constrs :: { [(RdrName, RdrNameConDecl)] } -constrs : constr { [$1] } - | constrs VBAR constr { $1 ++ [$3] } - -constr :: { (RdrName, RdrNameConDecl) } -constr : btyconapp - { case $1 of (con, tys) -> (con, ConDecl con tys mkIfaceSrcLoc) } - | QCONSYM { ($1, ConDecl $1 [] mkIfaceSrcLoc) } - | QCONSYM batypes { ($1, ConDecl $1 $2 mkIfaceSrcLoc) } - | gtycon OCURLY fields CCURLY - { ($1, RecConDecl $1 $3 mkIfaceSrcLoc) } - -btyconapp :: { (RdrName, [RdrNameBangType]) } -btyconapp : gtycon { ($1, []) } - | btyconapp batype { case $1 of (tc,tys) -> (tc, tys ++ [$2]) } - -bbtype :: { RdrNameBangType } -bbtype : btype { Unbanged (HsPreForAllTy [] $1) } - | BANG atype { Banged (HsPreForAllTy [] $2) } +context_list1 :: { RdrNameContext } +context_list1 : class { [$1] } + | class COMMA context_list1 { $1 : $3 } -batype :: { RdrNameBangType } -batype : atype { Unbanged (HsPreForAllTy [] $1) } - | BANG atype { Banged (HsPreForAllTy [] $2) } +class :: { (RdrName, RdrNameHsType) } +class : qtc_name atype { ($1, $2) } -batypes :: { [RdrNameBangType] } -batypes : batype { [$1] } - | batypes batype { $1 ++ [$2] } +type :: { RdrNameHsType } +type : FORALL forall context DARROW type { mkHsForAllTy $2 $3 $5 } + | tautype { $1 } -fields :: { [([RdrName], RdrNameBangType)] } -fields : field { [$1] } - | fields COMMA field { $1 ++ [$3] } +tautype :: { RdrNameHsType } +tautype : btype { $1 } + | btype RARROW tautype { MonoFunTy $1 $3 } -field :: { ([RdrName], RdrNameBangType) } -field : var DCOLON type { ([$1], Unbanged (HsPreForAllTy [] $3)) } - | var DCOLON BANG atype { ([$1], Banged (HsPreForAllTy [] $4)) } - -constr1 :: { (RdrName, RdrNameMonoType) } -constr1 : gtycon atype { ($1, $2) } - -var :: { RdrName } -var : QVARID { $1 } - | QVARSYM { $1 } - -qname :: { RdrName } -qname : QVARID { $1 } - | QCONID { $1 } - | QVARSYM { $1 } - | QCONSYM { $1 } - -name :: { FAST_STRING } -name : VARID { $1 } - | CONID { $1 } - | VARSYM { $1 } - | BANG { SLIT("!"){-sigh, double-sigh-} } - | CONSYM { $1 } - -instances_part :: { Bag RdrIfaceInst } -instances_part : INSTANCES_PART instdecls { $2 } - | { emptyBag } - -instdecls :: { Bag RdrIfaceInst } -instdecls : instd { unitBag $1 } - | instdecls instd { $1 `snocBag` $2 } - -instd :: { RdrIfaceInst } -instd : INSTANCE context DARROW gtycon restrict_inst SEMI { mk_inst $2 $4 $5 } - | INSTANCE gtycon general_inst SEMI { mk_inst [] $2 $3 } - -restrict_inst :: { RdrNameMonoType } -restrict_inst : gtycon { MonoTyApp $1 [] } - | OPAREN gtyconvars CPAREN { case $2 of (tc,tvs) -> MonoTyApp tc (map en_mono tvs) } - | OPAREN VARID COMMA tyvar_list CPAREN { MonoTupleTy (map en_mono ($2:$4)) } - | OBRACK VARID CBRACK { MonoListTy (en_mono $2) } - | OPAREN VARID RARROW VARID CPAREN { MonoFunTy (en_mono $2) (en_mono $4) } - -general_inst :: { RdrNameMonoType } -general_inst : gtycon { MonoTyApp $1 [] } - | OPAREN gtyconapp CPAREN { case $2 of (tc,tys) -> MonoTyApp tc tys } - | OPAREN type COMMA types CPAREN { MonoTupleTy ($2:$4) } - | OBRACK type CBRACK { MonoListTy $2 } - | OPAREN btype RARROW type CPAREN { MonoFunTy $2 $4 } - -tyvar_list :: { [FAST_STRING] } -tyvar_list : VARID { [$1] } - | tyvar_list COMMA VARID { $1 ++ [$3] +types2 :: { [RdrNameHsType] {- Two or more -} } +types2 : type COMMA type { [$1,$3] } + | type COMMA types2 { $1 : $3 } + +btype :: { RdrNameHsType } +btype : atype { $1 } + | btype atype { MonoTyApp $1 $2 } + +atype :: { RdrNameHsType } +atype : qtc_name { MonoTyVar $1 } + | tv_name { MonoTyVar $1 } + | OPAREN types2 CPAREN { MonoTupleTy dummyRdrTcName $2 } + | OBRACK type CBRACK { MonoListTy dummyRdrTcName $2 } + | OCURLY qtc_name atype CCURLY { MonoDictTy $2 $3 } + | OPAREN type CPAREN { $2 } + +atypes :: { [RdrNameHsType] {- Zero or more -} } +atypes : { [] } + | atype atypes { $1 : $2 +--------------------------------------------------------------------- + } + +mod_name :: { Module } + : CONID { $1 } + +var_occ :: { OccName } +var_occ : VARID { VarOcc $1 } + | VARSYM { VarOcc $1 } + | BANG { VarOcc SLIT("!") {-sigh, double-sigh-} } + +tc_occ :: { OccName } +tc_occ : CONID { TCOcc $1 } + | CONSYM { TCOcc $1 } + | OPAREN RARROW CPAREN { TCOcc SLIT("->") } + +entity_occ :: { OccName } +entity_occ : var_occ { $1 } + | tc_occ { $1 } + | RARROW { TCOcc SLIT("->") {- Allow un-paren'd arrow -} } + +val_occ :: { OccName } +val_occ : var_occ { $1 } + | CONID { VarOcc $1 } + | CONSYM { VarOcc $1 } + +val_occs1 :: { [OccName] } + : val_occ { [$1] } + | val_occ val_occs1 { $1 : $2 } + + +qvar_name :: { RdrName } + : QVARID { varQual $1 } + | QVARSYM { varQual $1 } + +var_name :: { RdrName } +var_name : var_occ { Unqual $1 } + +var_names1 :: { [RdrName] } +var_names1 : var_name { [$1] } + | var_name var_names1 { $1 : $2 } + +any_var_name :: {RdrName} +any_var_name : var_name { $1 } + | qvar_name { $1 } + +qdata_name :: { RdrName } +qdata_name : QCONID { varQual $1 } + | QCONSYM { varQual $1 } + +data_name :: { RdrName } +data_name : CONID { Unqual (VarOcc $1) } + | CONSYM { Unqual (VarOcc $1) } + + +qtc_name :: { RdrName } +qtc_name : QCONID { tcQual $1 } + +qtc_names1 :: { [RdrName] } + : qtc_name { [$1] } + | qtc_name COMMA qtc_names1 { $1 : $3 } + +tc_name :: { RdrName } +tc_name : tc_occ { Unqual $1 } + +tv_name :: { RdrName } +tv_name : VARID { Unqual (TvOcc $1) } + +tv_names :: { [RdrName] } + : { [] } + | tv_name tv_names { $1 : $2 } + +tv_bndr :: { HsTyVar RdrName } +tv_bndr : tv_name DCOLON akind { IfaceTyVar $1 $3 } + | tv_name { UserTyVar $1 } + +tv_bndrs :: { [HsTyVar RdrName] } + : { [] } + | tv_bndr tv_bndrs { $1 : $2 } + +kind :: { Kind } + : akind { $1 } + | akind RARROW kind { mkArrowKind $1 $3 } + +akind :: { Kind } + : VARSYM { mkTypeKind {- ToDo: check that it's "*" -} } + | OPAREN kind CPAREN { $2 -------------------------------------------------------------------------- - } + } -pragmas_part :: { LocalPragmasMap } -pragmas_part : PRAGMAS_PART - { emptyFM } - | { emptyFM } -{ -} + +instances_part :: { [RdrNameInstDecl] } +instances_part : INSTANCES_PART instdecls { $2 } + | { [] } + +instdecls :: { [RdrNameInstDecl] } +instdecls : { [] } + | instd instdecls { $1 : $2 } + +instd :: { RdrNameInstDecl } +instd : INSTANCE type EQUAL var_name SEMI + { InstDecl $2 + EmptyMonoBinds {- No bindings -} + [] {- No user pragmas -} + (Just $4) {- Dfun id -} + mkIfaceSrcLoc +-------------------------------------------------------------------------- + }