{
-#include "HsVersions.h"
-
-module ParseIface ( parseIface ) where
-
-import Ubiq{-uitous-}
+module ParseIface ( parseIface, IfaceStuff(..) ) where
-import ParseUtils
+#include "HsVersions.h"
import HsSyn -- quite a bit of stuff
import RdrHsSyn -- oodles of synonyms
-import HsPragmas ( noGenPragmas )
-
+import HsDecls ( HsIdInfo(..), HsStrictnessInfo(..) )
+import HsTypes ( mkHsForAllTy )
+import HsCore
+import Literal
+import BasicTypes ( IfaceFlavour(..), Fixity(..), FixityDirection(..), NewOrData(..), Version(..) )
+import HsPragmas ( noDataPragmas, noClassPragmas )
+import Kind ( Kind, mkArrowKind, mkBoxedTypeKind, mkTypeKind )
+import IdInfo ( ArgUsageInfo, FBTypeInfo, ArityInfo, exactArity )
+import PrimRep ( decodePrimRep )
+import Lex
+
+import RnMonad ( ImportVersion, LocalVersion, ParsedIface(..), WhatsImported(..),
+ RdrNamePragma, ExportItem, RdrAvailInfo, GenAvailInfo(..)
+ )
import Bag ( emptyBag, unitBag, snocBag )
-import FiniteMap ( emptyFM, unitFM, addToFM, plusFM, bagToFM )
-import Name ( ExportFlag(..), mkTupNameStr,
- RdrName(..){-instance Outputable:ToDo:rm-}
- )
-import Outputable -- ToDo:rm
-import PprStyle ( PprStyle(..) ) -- ToDo: rm debugging
-import SrcLoc ( mkIfaceSrcLoc )
-import Util ( panic, pprPanic{-ToDo:rm-} )
+import FiniteMap ( emptyFM, unitFM, addToFM, plusFM, bagToFM, FiniteMap )
+import Name ( OccName(..), isTCOcc, Provenance, SYN_IE(Module) )
+import SrcLoc ( SrcLoc )
+import Maybes
+import Outputable
------------------------------------------------------------------
-
-parseIface = parseIToks . lexIface
-
------------------------------------------------------------------
}
-%name parseIToks
+%name parseIface
%tokentype { IfaceToken }
%monad { IfM }{ thenIf }{ returnIf }
+%lexer { lexIface } { ITeof }
%token
INTERFACE { ITinterface }
FIXITIES_PART { ITfixities }
DECLARATIONS_PART { ITdeclarations }
PRAGMAS_PART { ITpragmas }
- BANG { ITbang }
- BQUOTE { ITbquote }
- CBRACK { ITcbrack }
- CCURLY { ITccurly }
+ 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 }
+ 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 $$ }
VARSYM { ITvarsym $$ }
QCONID { ITqconid $$ }
QVARSYM { ITqvarsym $$ }
QCONSYM { ITqconsym $$ }
+
+ STRICT_PART { ITstrict $$ }
+ TYPE_PART { ITtysig _ _ }
+ ARITY_PART { ITarity }
+ UNFOLD_PART { ITunfold $$ }
+ SPECIALISE { ITspecialise }
+ BOTTOM { ITbottom }
+ LAM { ITlam }
+ BIGLAM { ITbiglam }
+ CASE { ITcase }
+ PRIM_CASE { ITprim_case }
+ LET { ITlet }
+ LETREC { ITletrec }
+ IN { ITin }
+ OF { ITof }
+ COERCE { ITcoerce }
+ ATSIGN { ITatsign }
+ CCALL { ITccall $$ }
+ SCC { ITscc $$ }
+ INLINE_CALL { ITinline }
+
+ CHAR { ITchar $$ }
+ 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_stuff is the main production.
+-- It recognises (a) a whole interface file
+-- (b) a type (so that type sigs can be parsed lazily)
+-- (c) the IdInfo part of a signature (same reason)
+
+iface_stuff :: { IfaceStuff }
+iface_stuff : iface { PIface $1 }
+ | type { PType $1 }
+ | id_info { PIdInfo $1 }
+
+
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
+iface : INTERFACE CONID INTEGER checkVersion
+ inst_modules_part
+ usages_part
+ exports_part fixities_part
+ instances_part
+ decls_part
+ { ParsedIface
+ $2 -- Module name
+ (fromInteger $3) -- Module version
+ $6 -- Usages
+ $7 -- Exports
+ $5 -- Instance modules
+ $8 -- Fixities
+ $10 -- Decls
+ $9 -- Local instances
}
---------------------------------------------------------------------------
- }
-
-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 COMMA name_version_pair
- { $1 `snocBag` $3 }
-
-name_version_pair :: { (FAST_STRING, Int) }
-name_version_pair : iname INTEGER
- { ($1, fromInteger $2)
---------------------------------------------------------------------------
- }
-exports_part :: { ExportsMap }
-exports_part : EXPORTS_PART export_items { bagToFM $2 }
- | { emptyFM }
-export_items :: { Bag (FAST_STRING, (RdrName, ExportFlag)) }
-export_items : export_item { unitBag $1 }
- | export_items export_item { $1 `snocBag` $2 }
+usages_part :: { [ImportVersion OccName] }
+usages_part : USAGES_PART module_stuff_pairs { $2 }
+ | { [] }
-export_item :: { (FAST_STRING, (RdrName, ExportFlag)) }
-export_item : qiname maybe_dotdot { (de_qual $1, ($1, $2)) }
+module_stuff_pairs :: { [ImportVersion OccName] }
+module_stuff_pairs : { [] }
+ | module_stuff_pair module_stuff_pairs { $1 : $2 }
-maybe_dotdot :: { ExportFlag }
-maybe_dotdot : DOTDOT { ExportAll }
- | { ExportAbs
---------------------------------------------------------------------------
- }
+module_stuff_pair :: { ImportVersion OccName }
+module_stuff_pair : mod_name opt_bang INTEGER DCOLON whats_imported SEMI
+ { ($1, $2, fromInteger $3, $5) }
-inst_modules_part :: { Bag Module }
-inst_modules_part : INSTANCE_MODULES_PART mod_list { $2 }
- | { emptyBag }
+whats_imported :: { WhatsImported OccName }
+whats_imported : { Everything }
+ | name_version_pair name_version_pairs { Specifically ($1:$2) }
-mod_list :: { Bag Module }
-mod_list : CONID { unitBag $1 }
- | mod_list CONID { $1 `snocBag` $2
+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)
--------------------------------------------------------------------------
- }
+ }
+
+exports_part :: { [ExportItem] }
+exports_part : EXPORTS_PART export_items { $2 }
+ | { [] }
+
+export_items :: { [ExportItem] }
+export_items : { [] }
+ | opt_bang mod_name entities SEMI export_items { ($2,$1,$3) : $5 }
+
+opt_bang :: { IfaceFlavour }
+opt_bang : { HiFile }
+ | BANG { HiBootFile }
-fixities_part :: { FixitiesMap }
-fixities_part : FIXITIES_PART fixes { $2 }
- | { emptyFM }
+entities :: { [RdrAvailInfo] }
+entities : { [] }
+ | entity entities { $1 : $2 }
-fixes :: { FixitiesMap }
-fixes : fix { case $1 of (k,v) -> unitFM k v }
- | fixes fix { case $2 of (k,v) -> addToFM $1 k v }
+entity :: { RdrAvailInfo }
+entity : entity_occ { if isTCOcc $1
+ then AvailTC $1 [$1]
+ else Avail $1 }
+ | entity_occ stuff_inside { AvailTC $1 ($1:$2) }
+ | entity_occ VBAR stuff_inside { AvailTC $1 $3 }
-fix :: { (FAST_STRING, RdrNameFixityDecl) }
-fix : INFIXL INTEGER qop SEMI { (de_qual $3, InfixL $3 (fromInteger $2)) }
- | INFIXR INTEGER qop SEMI { (de_qual $3, InfixR $3 (fromInteger $2)) }
- | INFIX INTEGER qop SEMI { (de_qual $3, InfixN $3 (fromInteger $2))
+stuff_inside :: { [OccName] }
+stuff_inside : OPAREN val_occs1 CPAREN { $2
--------------------------------------------------------------------------
- }
-
-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) }
+ }
-context :: { RdrNameContext }
-context : OPAREN context_list CPAREN { reverse $2 }
- | class { [$1] }
-
-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 : type DARROW type { HsPreForAllTy (type2context $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 (Unqual SLIT("->")) (t1:t2:tys);
- MonoListTy ty -> MonoTyApp (Unqual SLIT("[]")) (ty:tys);
- MonoTupleTy ts -> MonoTyApp (Unqual (mkTupNameStr (length ts)))
- (ts++tys);
- _ -> pprPanic "test:" (ppr PprDebug $1)
- }}
- }
+inst_modules_part :: { [Module] }
+inst_modules_part : { [] }
+ | INSTANCE_MODULES_PART mod_list { $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 }
- | CONID { Unqual $1 }
- | OPAREN RARROW CPAREN { Unqual SLIT("->") }
- | OBRACK CBRACK { Unqual SLIT("[]") }
- | OPAREN CPAREN { Unqual SLIT("()") }
- | OPAREN commas CPAREN { Unqual (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) }
- | OPAREN QCONSYM CPAREN { ($2, ConDecl $2 [] mkIfaceSrcLoc) }
- | OPAREN QCONSYM CPAREN batypes { ($2, ConDecl $2 $4 mkIfaceSrcLoc) }
- | OPAREN CONSYM CPAREN { (Unqual $2, ConDecl (Unqual $2) [] mkIfaceSrcLoc) }
- | OPAREN CONSYM CPAREN batypes { (Unqual $2, ConDecl (Unqual $2) $4 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) }
+mod_list :: { [Module] }
+mod_list : { [] }
+ | mod_name mod_list { $1 : $2
+--------------------------------------------------------------------------
+ }
-batype :: { RdrNameBangType }
-batype : atype { Unbanged (HsPreForAllTy [] $1) }
- | BANG atype { Banged (HsPreForAllTy [] $2) }
+fixities_part :: { [(OccName,Fixity)] }
+fixities_part : { [] }
+ | FIXITIES_PART fixes { $2 }
+
+fixes :: { [(OccName,Fixity)] }
+fixes : { [] }
+ | fix fixes { $1 : $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 :: { [(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 : src_loc TYPE tc_name tv_bndrs EQUAL type SEMI
+ { TyD (TySynonym $3 $4 $6 $1) }
+ | src_loc DATA decl_context tc_name tv_bndrs constrs deriving SEMI
+ { TyD (TyData DataType $3 $4 $5 $6 $7 noDataPragmas $1) }
+ | src_loc NEWTYPE decl_context tc_name tv_bndrs newtype_constr deriving SEMI
+ { TyD (TyData NewType $3 $4 $5 $6 $7 noDataPragmas $1) }
+ | src_loc CLASS decl_context tc_name tv_bndrs csigs SEMI
+ { ClD (mkClassDecl $3 $4 $5 $6 EmptyMonoBinds noClassPragmas $1) }
+ | src_loc var_name TYPE_PART
+ {
+ case $3 of
+ ITtysig sig idinfo_part -> -- Parse type and idinfo lazily
+ let info =
+ case idinfo_part of
+ Nothing -> []
+ Just s -> case parseIface s $1 of
+ Succeeded (PIdInfo id_info) -> id_info
+ other -> pprPanic "IdInfo parse failed"
+ (ppr $2)
+
+ tp = case parseIface sig $1 of
+ Succeeded (PType tp) -> tp
+ other -> pprPanic "Id type parse failed"
+ (ppr $2)
+ in
+ SigD (IfaceSig $2 tp info $1) }
+
+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 : src_loc var_name DCOLON type { ClassOpSig $2 Nothing $4 $1 }
+ | src_loc var_name EQUAL DCOLON type { ClassOpSig $2
+ (Just (error "Un-filled-in default method"))
+ $5 $1 }
+----------------------------------------------------------------
+
+
+constrs :: { [RdrNameConDecl] {- empty for handwritten abstract -} }
+ : { [] }
+ | EQUAL constrs1 { $2 }
+
+constrs1 :: { [RdrNameConDecl] }
+constrs1 : constr { [$1] }
+ | constr VBAR constrs1 { $1 : $3 }
+
+constr :: { RdrNameConDecl }
+constr : src_loc data_name batypes { ConDecl $2 [] (VanillaCon $3) $1 }
+ | src_loc data_name OCURLY fields1 CCURLY { ConDecl $2 [] (RecCon $4) $1 }
+
+newtype_constr :: { [RdrNameConDecl] {- Empty if handwritten abstract -} }
+newtype_constr : { [] }
+ | src_loc EQUAL data_name atype { [ConDecl $3 [] (NewCon $4) $1] }
+
+deriving :: { Maybe [RdrName] }
+ : { Nothing }
+ | DERIVING OPAREN tc_names1 CPAREN { Just $3 }
batypes :: { [RdrNameBangType] }
-batypes : batype { [$1] }
- | batypes batype { $1 ++ [$2] }
+batypes : { [] }
+ | batype batypes { $1 : $2 }
+
+batype :: { RdrNameBangType }
+batype : atype { Unbanged $1 }
+ | BANG atype { Banged $2 }
-fields :: { [([RdrName], RdrNameBangType)] }
-fields : field { [$1] }
- | fields COMMA field { $1 ++ [$3] }
+fields1 :: { [([RdrName], RdrNameBangType)] }
+fields1 : field { [$1] }
+ | field COMMA fields1 { $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 }
- | OPAREN QVARSYM CPAREN { $2 }
- | VARID { Unqual $1 }
- | OPAREN VARSYM CPAREN { Unqual $2 }
-
-op :: { FAST_STRING }
-op : BQUOTE VARID BQUOTE { $2 }
- | BQUOTE CONID BQUOTE { $2 }
- | VARSYM { $1 }
- | CONSYM { $1 }
-
-qop :: { RdrName }
-qop : BQUOTE QVARID BQUOTE { $2 }
- | BQUOTE QCONID BQUOTE { $2 }
- | QVARSYM { $1 }
- | QCONSYM { $1 }
- | op { Unqual $1 }
-
-iname :: { FAST_STRING }
-iname : VARID { $1 }
- | CONID { $1 }
- | OPAREN VARSYM CPAREN { $2 }
- | OPAREN CONSYM CPAREN { $2 }
-
-qiname :: { RdrName }
-qiname : QVARID { $1 }
- | QCONID { $1 }
- | OPAREN QVARSYM CPAREN { $2 }
- | OPAREN QCONSYM CPAREN { $2 }
- | iname { Unqual $1 }
-
-instances_part :: { Bag RdrIfaceInst }
+field : var_names1 DCOLON type { ($1, Unbanged $3) }
+ | var_names1 DCOLON BANG type { ($1, Banged $4) }
+--------------------------------------------------------------------------
+
+type :: { RdrNameHsType }
+type : FORALL forall context DARROW type { mkHsForAllTy $2 $3 $5 }
+ | btype RARROW type { MonoFunTy $1 $3 }
+ | btype { $1 }
+
+forall :: { [HsTyVar RdrName] }
+forall : OBRACK tv_bndrs CBRACK { $2 }
+
+context :: { RdrNameContext }
+context : { [] }
+ | OCURLY context_list1 CCURLY { $2 }
+
+context_list1 :: { RdrNameContext }
+context_list1 : class { [$1] }
+ | class COMMA context_list1 { $1 : $3 }
+
+class :: { (RdrName, [RdrNameHsType]) }
+class : tc_name atypes { ($1, $2) }
+
+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 : tc_name { MonoTyVar $1 }
+ | tv_name { MonoTyVar $1 }
+ | OPAREN types2 CPAREN { MonoTupleTy dummyRdrTcName $2 }
+ | OBRACK type CBRACK { MonoListTy dummyRdrTcName $2 }
+ | OCURLY tc_name atypes 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 }
+
+
+var_name :: { RdrName }
+var_name : var_occ { Unqual $1 }
+
+qvar_name :: { RdrName }
+qvar_name : var_name { $1 }
+ | QVARID { lexVarQual $1 }
+ | QVARSYM { lexVarQual $1 }
+
+var_names :: { [RdrName] }
+var_names : { [] }
+ | var_name var_names { $1 : $2 }
+
+var_names1 :: { [RdrName] }
+var_names1 : var_name var_names { $1 : $2 }
+
+data_name :: { RdrName }
+data_name : CONID { Unqual (VarOcc $1) }
+ | CONSYM { Unqual (VarOcc $1) }
+
+qdata_name :: { RdrName }
+qdata_name : data_name { $1 }
+ | QCONID { lexVarQual $1 }
+ | QCONSYM { lexVarQual $1 }
+
+qdata_names :: { [RdrName] }
+qdata_names : { [] }
+ | qdata_name qdata_names { $1 : $2 }
+
+tc_name :: { RdrName }
+tc_name : tc_occ { Unqual $1 }
+ | QCONID { lexTcQual $1 }
+ | QCONSYM { lexTcQual $1 }
+
+tc_names1 :: { [RdrName] }
+ : tc_name { [$1] }
+ | tc_name COMMA tc_names1 { $1 : $3 }
+
+tv_name :: { RdrName }
+tv_name : VARID { Unqual (TvOcc $1) }
+ | VARSYM { Unqual (TvOcc $1) {- Allow t2 as a tyvar -} }
+
+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 { if $1 == SLIT("*") then
+ mkBoxedTypeKind
+ else if $1 == SLIT("**") then
+ mkTypeKind
+ else panic "ParseInterface: akind"
+ }
+ | OPAREN kind CPAREN { $2 }
+--------------------------------------------------------------------------
+
+
+instances_part :: { [RdrNameInstDecl] }
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]
+ | { [] }
+
+instdecls :: { [RdrNameInstDecl] }
+instdecls : { [] }
+ | instd instdecls { $1 : $2 }
+
+instd :: { RdrNameInstDecl }
+instd : src_loc INSTANCE type EQUAL var_name SEMI
+ { InstDecl $3
+ EmptyMonoBinds {- No bindings -}
+ [] {- No user pragmas -}
+ (Just $5) {- Dfun id -}
+ $1
+ }
--------------------------------------------------------------------------
- }
-pragmas_part :: { LocalPragmasMap }
-pragmas_part : PRAGMAS_PART
- { emptyFM }
- | { emptyFM }
+id_info :: { [HsIdInfo RdrName] }
+id_info : { [] }
+ | id_info_item id_info { $1 : $2 }
+
+id_info_item :: { HsIdInfo RdrName }
+id_info_item : ARITY_PART arity_info { HsArity $2 }
+ | strict_info { HsStrictness $1 }
+ | BOTTOM { HsStrictness HsBottom }
+ | UNFOLD_PART core_expr { HsUnfold $1 $2 }
+ | SPECIALISE spec_tvs
+ atypes EQUAL core_expr { HsSpecialise $2 $3 $5 }
+
+
+spec_tvs :: { [HsTyVar RdrName] }
+spec_tvs : OBRACK tv_bndrs CBRACK { $2 }
+
+
+arity_info :: { ArityInfo }
+arity_info : INTEGER { exactArity (fromInteger $1) }
+
+strict_info :: { HsStrictnessInfo RdrName }
+strict_info : STRICT_PART qvar_name OCURLY qdata_names CCURLY { HsStrictnessInfo $1 (Just ($2,$4)) }
+ | STRICT_PART qvar_name { HsStrictnessInfo $1 (Just ($2,[])) }
+ | STRICT_PART { HsStrictnessInfo $1 Nothing }
+
+core_expr :: { UfExpr RdrName }
+core_expr : qvar_name { UfVar $1 }
+ | qdata_name { UfVar $1 }
+ | core_lit { UfLit $1 }
+ | OPAREN core_expr CPAREN { $2 }
+ | qdata_name OCURLY data_args CCURLY { UfCon $1 $3 }
+
+ | core_expr ATSIGN atype { UfApp $1 (UfTyArg $3) }
+ | core_expr core_arg { UfApp $1 $2 }
+ | LAM core_val_bndrs RARROW core_expr { foldr UfLam $4 $2 }
+ | BIGLAM core_tv_bndrs RARROW core_expr { foldr UfLam $4 $2 }
+
+ | CASE core_expr OF
+ OCURLY alg_alts core_default CCURLY { UfCase $2 (UfAlgAlts $5 $6) }
+ | PRIM_CASE core_expr OF
+ OCURLY prim_alts core_default CCURLY { UfCase $2 (UfPrimAlts $5 $6) }
+
+
+ | LET OCURLY core_val_bndr EQUAL core_expr CCURLY
+ IN core_expr { UfLet (UfNonRec $3 $5) $8 }
+ | LETREC OCURLY rec_binds CCURLY
+ IN core_expr { UfLet (UfRec $3) $6 }
+
+ | CCALL ccall_string
+ OBRACK atype atypes CBRACK core_args { let
+ (is_casm, may_gc) = $1
+ in
+ UfPrim (UfCCallOp $2 is_casm may_gc $5 $4)
+ $7
+ }
+ | INLINE_CALL core_expr { UfNote UfInlineCall $2 }
+ | COERCE atype core_expr { UfNote (UfCoerce $2) $3 }
+ | SCC core_expr { UfNote (UfSCC $1) $2 }
+
+rec_binds :: { [(UfBinder RdrName, UfExpr RdrName)] }
+ : { [] }
+ | core_val_bndr EQUAL core_expr SEMI rec_binds { ($1,$3) : $5 }
+
+prim_alts :: { [(Literal,UfExpr RdrName)] }
+ : { [] }
+ | core_lit RARROW core_expr SEMI prim_alts { ($1,$3) : $5 }
+
+alg_alts :: { [(RdrName, [RdrName], UfExpr RdrName)] }
+ : { [] }
+ | qdata_name var_names RARROW
+ core_expr SEMI alg_alts { ($1,$2,$4) : $6 }
+
+core_default :: { UfDefault RdrName }
+ : { UfNoDefault }
+ | var_name RARROW core_expr SEMI { UfBindDefault $1 $3 }
+
+core_arg :: { UfArg RdrName }
+ : qvar_name { UfVarArg $1 }
+ | qdata_name { UfVarArg $1 }
+ | core_lit { UfLitArg $1 }
+
+core_args :: { [UfArg RdrName] }
+ : { [] }
+ | core_arg core_args { $1 : $2 }
+
+data_args :: { [UfArg RdrName] }
+ : { [] }
+ | ATSIGN atype data_args { UfTyArg $2 : $3 }
+ | core_arg data_args { $1 : $2 }
+
+core_lit :: { Literal }
+core_lit : INTEGER { MachInt $1 True }
+ | CHAR { MachChar $1 }
+ | STRING { MachStr $1 }
+ | STRING_LIT STRING { NoRepStr $2 }
+ | DOUBLE { MachDouble (toRational $1) }
+ | FLOAT_LIT DOUBLE { MachFloat (toRational $2) }
+
+ | INTEGER_LIT INTEGER { NoRepInteger $2 (panic "NoRepInteger type")
+ -- The type checker will add the types
+ }
+
+ | RATIONAL_LIT INTEGER INTEGER { NoRepRational ($2 % $3)
+ (panic "NoRepRational type")
+ -- The type checker will add the type
+ }
+
+ | ADDR_LIT INTEGER { MachAddr $2 }
+ | LIT_LIT prim_rep STRING { MachLitLit $3 (decodePrimRep $2) }
+
+core_val_bndr :: { UfBinder RdrName }
+core_val_bndr : var_name DCOLON atype { UfValBinder $1 $3 }
+
+core_val_bndrs :: { [UfBinder RdrName] }
+core_val_bndrs : { [] }
+ | core_val_bndr core_val_bndrs { $1 : $2 }
+
+core_tv_bndr :: { UfBinder RdrName }
+core_tv_bndr : tv_name DCOLON akind { UfTyBinder $1 $3 }
+ | tv_name { UfTyBinder $1 mkBoxedTypeKind }
+
+core_tv_bndrs :: { [UfBinder RdrName] }
+core_tv_bndrs : { [] }
+ | core_tv_bndr core_tv_bndrs { $1 : $2 }
+
+ccall_string :: { FAST_STRING }
+ : STRING { $1 }
+ | VARID { $1 }
+ | CONID { $1 }
+
+prim_rep :: { Char }
+ : VARID { head (_UNPK_ $1) }
+ | CONID { head (_UNPK_ $1) }
+
+-------------------------------------------------------------------
+
+src_loc :: { SrcLoc }
+src_loc : {% getSrcLocIf }
+
+checkVersion :: { () }
+ : {-empty-} {% checkVersion Nothing }
+ | INTEGER {% checkVersion (Just (fromInteger $1)) }
+
+-------------------------------------------------------------------
+
+-- Haskell code
{
+
+data IfaceStuff = PIface ParsedIface
+ | PIdInfo [HsIdInfo RdrName]
+ | PType RdrNameHsType
+
}
projects / ghc-hetmet.git / blobdiff