-{
-#include "HsVersions.h"
+{- Notes about the syntax of interface files
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+The header
+~~~~~~~~~~
+ interface "edison" M 4 6 2 ! 406 Module M, version 4, from package 'edison',
+ Fixities version 6, rules version 2
+ Interface syntax version 406
+ ! means M contains orphans
-module ParseIface ( parseIface ) where
+Import declarations
+~~~~~~~~~~~~~~~~~~~
+ import Foo ; To compile M I used nothing from Foo, but it's
+ below me in the hierarchy
-import Ubiq{-uitous-}
+ import Foo ! @ ; Ditto, but the ! means that Foo contains orphans
+ and the @ means that Foo is a boot interface
-import ParseUtils
+ import Foo :: 3 ; To compile M I used everything from Foo, which has
+ module version 3
-import HsSyn -- quite a bit of stuff
-import RdrHsSyn -- oodles of synonyms
-import HsPragmas ( noGenPragmas )
+ import Foo :: 3 2 6 a 1 b 3 c 7 ; To compile M I used Foo. It had
+ module version 3
+ fixity version 2
+ rules version 6
+ and some specific things besides.
-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-} )
+-}
------------------------------------------------------------------
-parseIface = parseIToks . lexIface
+{
+module ParseIface ( parseIface, IfaceStuff(..) ) where
+
+#include "HsVersions.h"
------------------------------------------------------------------
+import HsSyn -- quite a bit of stuff
+import RdrHsSyn -- oodles of synonyms
+import HsTypes ( mkHsForAllTy, mkHsUsForAllTy, mkHsTupCon )
+import HsCore
+import Demand ( mkStrictnessInfo )
+import Literal ( Literal(..), mkMachInt, mkMachInt64, mkMachWord, mkMachWord64 )
+import BasicTypes ( Fixity(..), FixityDirection(..),
+ NewOrData(..), Version, initialVersion, Boxity(..)
+ )
+import CostCentre ( CostCentre(..), IsCafCC(..), IsDupdCC(..) )
+import CallConv ( cCallConv )
+import Type ( Kind, mkArrowKind, boxedTypeKind, openTypeKind )
+import IdInfo ( exactArity, InlinePragInfo(..) )
+import PrimOp ( CCall(..), CCallTarget(..) )
+import Lex
+
+import RnMonad ( ParsedIface(..), ExportItem, IfaceDeprecs )
+import HscTypes ( WhetherHasOrphans, IsBootInterface, GenAvailInfo(..),
+ ImportVersion, WhatsImported(..),
+ RdrAvailInfo )
+
+import RdrName ( RdrName, mkRdrUnqual, mkSysQual, mkSysUnqual )
+import Name ( OccName )
+import OccName ( mkSysOccFS,
+ tcName, varName, ipName, dataName, clsName, tvName, uvName,
+ EncodedFS
+ )
+import Module ( ModuleName, PackageName, mkSysModuleNameFS, mkModule )
+import SrcLoc ( SrcLoc )
+import CmdLineOpts ( opt_InPackage )
+import Outputable
+import List ( insert )
+import Class ( DefMeth (..) )
+
+import GlaExts
+import FastString ( tailFS )
}
-%name parseIToks
-%tokentype { IfaceToken }
-%monad { IfM }{ thenIf }{ returnIf }
+%name parseIface
+%tokentype { Token }
+%monad { P }{ thenP }{ returnP }
+%lexer { lexer } { ITeof }
%token
- INTERFACE { ITinterface }
- USAGES_PART { ITusages }
- VERSIONS_PART { ITversions }
- EXPORTS_PART { ITexports }
- INSTANCE_MODULES_PART { ITinstance_modules }
- INSTANCES_PART { ITinstances }
- FIXITIES_PART { ITfixities }
- DECLARATIONS_PART { ITdeclarations }
- PRAGMAS_PART { ITpragmas }
- BANG { ITbang }
- BQUOTE { ITbquote }
- CBRACK { ITcbrack }
- CCURLY { ITccurly }
- CLASS { ITclass }
- 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 }
- OPAREN { IToparen }
- RARROW { ITrarrow }
- SEMI { ITsemi }
- TYPE { ITtype }
- VBAR { ITvbar }
- WHERE { ITwhere }
- INTEGER { ITinteger $$ }
- VARID { ITvarid $$ }
- CONID { ITconid $$ }
- VARSYM { ITvarsym $$ }
- CONSYM { ITconsym $$ }
- QVARID { ITqvarid $$ }
- QCONID { ITqconid $$ }
- QVARSYM { ITqvarsym $$ }
- QCONSYM { ITqconsym $$ }
+ 'as' { ITas }
+ 'case' { ITcase } -- Haskell keywords
+ 'class' { ITclass }
+ 'data' { ITdata }
+ 'default' { ITdefault }
+ 'deriving' { ITderiving }
+ 'do' { ITdo }
+ 'else' { ITelse }
+ 'hiding' { IThiding }
+ 'if' { ITif }
+ 'import' { ITimport }
+ 'in' { ITin }
+ 'infix' { ITinfix }
+ 'infixl' { ITinfixl }
+ 'infixr' { ITinfixr }
+ 'instance' { ITinstance }
+ 'let' { ITlet }
+ 'module' { ITmodule }
+ 'newtype' { ITnewtype }
+ 'of' { ITof }
+ 'qualified' { ITqualified }
+ 'then' { ITthen }
+ 'type' { ITtype }
+ 'where' { ITwhere }
+
+ 'forall' { ITforall } -- GHC extension keywords
+ 'foreign' { ITforeign }
+ 'export' { ITexport }
+ 'label' { ITlabel }
+ 'dynamic' { ITdynamic }
+ 'unsafe' { ITunsafe }
+ 'with' { ITwith }
+ 'stdcall' { ITstdcallconv }
+ 'ccall' { ITccallconv }
+
+ '__interface' { ITinterface } -- interface keywords
+ '__export' { IT__export }
+ '__depends' { ITdepends }
+ '__forall' { IT__forall }
+ '__letrec' { ITletrec }
+ '__coerce' { ITcoerce }
+ '__inline_me' { ITinlineMe }
+ '__inline_call'{ ITinlineCall }
+ '__DEFAULT' { ITdefaultbranch }
+ '__bot' { ITbottom }
+ '__integer' { ITinteger_lit }
+ '__float' { ITfloat_lit }
+ '__word' { ITword_lit }
+ '__int64' { ITint64_lit }
+ '__word64' { ITword64_lit }
+ '__rational' { ITrational_lit }
+ '__addr' { ITaddr_lit }
+ '__label' { ITlabel_lit }
+ '__litlit' { ITlit_lit }
+ '__string' { ITstring_lit }
+ '__ccall' { ITccall $$ }
+ '__scc' { ITscc }
+ '__sccC' { ITsccAllCafs }
+
+ '__u' { ITusage }
+ '__fuall' { ITfuall }
+
+ '__A' { ITarity }
+ '__P' { ITspecialise }
+ '__C' { ITnocaf }
+ '__U' { ITunfold $$ }
+ '__S' { ITstrict $$ }
+ '__R' { ITrules }
+ '__M' { ITcprinfo }
+ '__D' { ITdeprecated }
+
+ '..' { ITdotdot } -- reserved symbols
+ '::' { ITdcolon }
+ '=' { ITequal }
+ '\\' { ITlam }
+ '|' { ITvbar }
+ '<-' { ITlarrow }
+ '->' { ITrarrow }
+ '@' { ITat }
+ '~' { ITtilde }
+ '=>' { ITdarrow }
+ '-' { ITminus }
+ '!' { ITbang }
+
+ '/\\' { ITbiglam } -- GHC-extension symbols
+
+ '{' { ITocurly } -- special symbols
+ '}' { ITccurly }
+ '{|' { ITocurlybar } -- special symbols
+ '|}' { ITccurlybar } -- special symbols
+ '[' { ITobrack }
+ ']' { ITcbrack }
+ '(' { IToparen }
+ ')' { ITcparen }
+ '(#' { IToubxparen }
+ '#)' { ITcubxparen }
+ ';' { ITsemi }
+ ',' { ITcomma }
+
+ VARID { ITvarid $$ } -- identifiers
+ CONID { ITconid $$ }
+ VARSYM { ITvarsym $$ }
+ CONSYM { ITconsym $$ }
+ QVARID { ITqvarid $$ }
+ QCONID { ITqconid $$ }
+ QVARSYM { ITqvarsym $$ }
+ QCONSYM { ITqconsym $$ }
+
+ IPVARID { ITipvarid $$ } -- GHC extension
+
+ PRAGMA { ITpragma $$ }
+
+ CHAR { ITchar $$ }
+ STRING { ITstring $$ }
+ INTEGER { ITinteger $$ }
+ RATIONAL { ITrational $$ }
+ CLITLIT { ITlitlit $$ }
+
+ UNKNOWN { ITunknown $$ }
%%
+-- 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 }
+ | rules_and_deprecs { PRulesAndDeprecs $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
- }
---------------------------------------------------------------------------
- }
-
-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)
+iface : '__interface' package mod_name
+ version sub_versions
+ orphans checkVersion 'where'
+ exports_part
+ import_part
+ fix_decl_part
+ instance_decl_part
+ decls_part
+ rules_and_deprecs_part
+ { ParsedIface {
+ pi_mod = mkModule $3 $2, -- Module itself
+ pi_vers = $4, -- Module version
+ pi_orphan = $6,
+ pi_exports = (fst $5, $9), -- Exports
+ pi_usages = $10, -- Usages
+ pi_fixity = $11, -- Fixies
+ pi_insts = $12, -- Local instances
+ pi_decls = $13, -- Decls
+ pi_rules = (snd $5,fst $14), -- Rules
+ pi_deprecs = snd $14 -- Deprecations
+ } }
+
+-- Versions for exports and rules (optional)
+sub_versions :: { (Version,Version) }
+ : '[' version version ']' { ($2,$3) }
+ | {- empty -} { (initialVersion, initialVersion) }
+
--------------------------------------------------------------------------
- }
-exports_part :: { ExportsMap }
-exports_part : EXPORTS_PART export_items { bagToFM $2 }
- | { emptyFM }
+import_part :: { [ImportVersion OccName] }
+import_part : { [] }
+ | import_decl import_part { $1 : $2 }
+
+import_decl :: { ImportVersion OccName }
+import_decl : 'import' mod_name orphans is_boot whats_imported ';'
+ { ({-mkSysModuleNameFS-} $2, $3, $4, $5) }
+
+orphans :: { WhetherHasOrphans }
+orphans : { False }
+ | '!' { True }
+
+is_boot :: { IsBootInterface }
+is_boot : { False }
+ | '@' { True }
+
+whats_imported :: { WhatsImported OccName }
+whats_imported : { NothingAtAll }
+ | '::' version { Everything $2 }
+ | '::' version version name_version_pairs version { Specifically $2 (Just $3) $4 $5 }
-export_items :: { Bag (FAST_STRING, (RdrName, ExportFlag)) }
-export_items : export_item { unitBag $1 }
- | export_items export_item { $1 `snocBag` $2 }
+name_version_pairs :: { [(OccName, Version)] }
+name_version_pairs : { [] }
+ | name_version_pair name_version_pairs { $1 : $2 }
+
+name_version_pair :: { (OccName, Version) }
+name_version_pair : var_occ version { ($1, $2) }
+ | tc_occ version { ($1, $2) }
-export_item :: { (FAST_STRING, (RdrName, ExportFlag)) }
-export_item : qiname maybe_dotdot { (de_qual $1, ($1, $2)) }
-maybe_dotdot :: { ExportFlag }
-maybe_dotdot : DOTDOT { ExportAll }
- | { ExportAbs
--------------------------------------------------------------------------
- }
-inst_modules_part :: { Bag Module }
-inst_modules_part : INSTANCE_MODULES_PART mod_list { $2 }
- | { emptyBag }
+exports_part :: { [ExportItem] }
+exports_part : { [] }
+ | '__export' mod_name entities ';'
+ exports_part { ({-mkSysModuleNameFS-} $2, $3) : $5 }
+
+entities :: { [RdrAvailInfo] }
+entities : { [] }
+ | entity entities { $1 : $2 }
+
+entity :: { RdrAvailInfo }
+entity : var_occ { Avail $1 }
+ | tc_occ { AvailTC $1 [$1] }
+ | tc_occ '|' stuff_inside { AvailTC $1 $3 }
+ | tc_occ stuff_inside { AvailTC $1 (insert $1 $2) }
+ -- The 'insert' is important. The stuff_inside is sorted, and
+ -- insert keeps it that way. This is important when comparing
+ -- against the new interface file, which has the stuff in sorted order
+ -- If they differ, we'll bump the module number when it's unnecessary
+
+stuff_inside :: { [OccName] }
+stuff_inside : '{' val_occs '}' { $2 }
+
+val_occ :: { OccName }
+ : var_occ { $1 }
+ | data_occ { $1 }
+
+val_occs :: { [OccName] }
+ : val_occ { [$1] }
+ | val_occ val_occs { $1 : $2 }
+
-mod_list :: { Bag Module }
-mod_list : CONID { unitBag $1 }
- | mod_list CONID { $1 `snocBag` $2
--------------------------------------------------------------------------
- }
-fixities_part :: { FixitiesMap }
-fixities_part : FIXITIES_PART fixes { $2 }
- | { emptyFM }
+fix_decl_part :: { [RdrNameFixitySig] }
+fix_decl_part : {- empty -} { [] }
+ | fix_decls ';' { $1 }
+
+fix_decls :: { [RdrNameFixitySig] }
+fix_decls : { [] }
+ | fix_decl fix_decls { $1 : $2 }
+
+fix_decl :: { RdrNameFixitySig }
+fix_decl : src_loc fixity prec var_or_data_name { FixitySig $4 (Fixity $3 $2) $1 }
+
+fixity :: { FixityDirection }
+fixity : 'infixl' { InfixL }
+ | 'infixr' { InfixR }
+ | 'infix' { InfixN }
+
+prec :: { Int }
+prec : INTEGER { fromInteger $1 }
-fixes :: { FixitiesMap }
-fixes : fix { case $1 of (k,v) -> unitFM k v }
- | fixes fix { case $2 of (k,v) -> addToFM $1 k v }
+-----------------------------------------------------------------------------
+
+csigs :: { [RdrNameSig] }
+csigs : { [] }
+ | 'where' '{' csigs1 '}' { $3 }
+
+csigs1 :: { [RdrNameSig] }
+csigs1 : { [] }
+ | csig ';' csigs1 { $1 : $3 }
+
+csig :: { RdrNameSig }
+csig : src_loc var_name '::' type { mkClassOpSig NoDefMeth $2 $4 $1 }
+ | src_loc var_name '=' '::' type { mkClassOpSig (DefMeth (error "DefMeth") )
+ $2 $5 $1 }
+ | src_loc var_name ';' '::' type { mkClassOpSig GenDefMeth $2 $5 $1 }
-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))
--------------------------------------------------------------------------
- }
-
-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)) }
+
+instance_decl_part :: { [RdrNameInstDecl] }
+instance_decl_part : {- empty -} { [] }
+ | instance_decl_part inst_decl { $2 : $1 }
+
+inst_decl :: { RdrNameInstDecl }
+inst_decl : src_loc 'instance' type '=' var_name ';'
+ { InstDecl $3
+ EmptyMonoBinds {- No bindings -}
+ [] {- No user pragmas -}
+ (Just $5) {- Dfun id -}
+ $1
+ }
+
+--------------------------------------------------------------------------
+
+decls_part :: { [(Version, RdrNameHsDecl)] }
+decls_part
+ : {- empty -} { [] }
+ | opt_version decl ';' decls_part { ($1,$2):$4 }
+
+decl :: { RdrNameHsDecl }
+decl : src_loc var_name '::' type maybe_idinfo
+ { SigD (IfaceSig $2 $4 ($5 $2) $1) }
+ | src_loc 'type' tc_name tv_bndrs '=' type
+ { TyClD (TySynonym $3 $4 $6 $1) }
+ | src_loc 'data' opt_decl_context tc_name tv_bndrs constrs
+ { TyClD (mkTyData DataType $3 $4 $5 $6 (length $6) Nothing $1) }
+ | src_loc 'newtype' opt_decl_context tc_name tv_bndrs newtype_constr
+ { TyClD (mkTyData NewType $3 $4 $5 $6 1 Nothing $1) }
+ | src_loc 'class' opt_decl_context tc_name tv_bndrs fds csigs
+ { TyClD (mkClassDecl $3 $4 $5 $6 $7 EmptyMonoBinds $1) }
+
+maybe_idinfo :: { RdrName -> [HsIdInfo RdrName] }
+maybe_idinfo : {- empty -} { \_ -> [] }
+ | pragma { \x -> case $1 of
+ POk _ (PIdInfo id_info) -> id_info
+ PFailed err ->
+ pprPanic "IdInfo parse failed"
+ (vcat [ppr x, err])
+ }
+
+pragma :: { ParseResult IfaceStuff }
+pragma : src_loc PRAGMA { parseIface $2 PState{ bol = 0#, atbol = 1#,
+ context = [],
+ glasgow_exts = 1#,
+ loc = $1 }
}
-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 }
+rules_and_deprecs_part :: { ([RdrNameRuleDecl], IfaceDeprecs) }
+rules_and_deprecs_part : {- empty -} { ([], Nothing) }
+ | pragma { case $1 of
+ POk _ (PRulesAndDeprecs rds) -> rds
+ PFailed err -> pprPanic "Rules/Deprecations parse failed" err
+ }
-newtd :: { (LocalTyDefsMap, LocalValDefsMap) }
-newtd : NEWTYPE simple EQUAL constr1 { mk_new [] $2 $4 }
- | NEWTYPE context DARROW simple EQUAL constr1 { mk_new $2 $4 $6 }
+rules_and_deprecs :: { ([RdrNameRuleDecl], IfaceDeprecs) }
+rules_and_deprecs : rule_prag deprec_prag { ($1, $2) }
-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 }
- | { [] }
+rule_prag :: { [RdrNameRuleDecl] }
+rule_prag : {- empty -} { [] }
+ | '__R' rules { $2 }
-decls :: { [(FAST_STRING, RdrNameSig)] }
-decls : decl { [$1] }
- | decls decl { $1 ++ [$2] }
+rules :: { [RdrNameRuleDecl] }
+ : {- empty -} { [] }
+ | rule ';' rules { $1:$3 }
-decl :: { (FAST_STRING, RdrNameSig) }
-decl : var DCOLON ctype SEMI { (de_qual $1, Sig $1 $3 noGenPragmas mkIfaceSrcLoc) }
+rule :: { RdrNameRuleDecl }
+rule : src_loc STRING rule_forall qvar_name
+ core_args '=' core_expr { IfaceRule $2 $3 $4 $5 $7 $1 }
-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)
- }}
- }
+rule_forall :: { [UfBinder RdrName] }
+rule_forall : '__forall' '{' core_bndrs '}' { $3 }
+
+-----------------------------------------------------------------------------
-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) }
+deprec_prag :: { IfaceDeprecs }
+deprec_prag : {- empty -} { Nothing }
+ | '__D' deprecs { Just $2 }
-batype :: { RdrNameBangType }
-batype : atype { Unbanged (HsPreForAllTy [] $1) }
- | BANG atype { Banged (HsPreForAllTy [] $2) }
+deprecs :: { Either DeprecTxt [(RdrName,DeprecTxt)] }
+deprecs : STRING { Left $1 }
+ | deprec_list { Right $1 }
+
+deprec_list :: { [(RdrName,DeprecTxt)] }
+deprec_list : deprec { [$1] }
+ | deprec ';' deprec_list { $1 : $3 }
+
+deprec :: { (RdrName,DeprecTxt) }
+deprec : deprec_name STRING { ($1, $2) }
+
+deprec_name :: { RdrName }
+ : var_name { $1 }
+ | tc_name { $1 }
+
+-----------------------------------------------------------------------------
+
+version :: { Version }
+version : INTEGER { fromInteger $1 }
+
+opt_version :: { Version }
+opt_version : version { $1 }
+ | {- empty -} { initialVersion }
+
+opt_decl_context :: { RdrNameContext }
+opt_decl_context : { [] }
+ | context '=>' { $1 }
+
+----------------------------------------------------------------------------
+
+constrs :: { [RdrNameConDecl] {- empty for handwritten abstract -} }
+ : { [] }
+ | '=' constrs1 { $2 }
+
+constrs1 :: { [RdrNameConDecl] }
+constrs1 : constr { [$1] }
+ | constr '|' constrs1 { $1 : $3 }
+
+constr :: { RdrNameConDecl }
+constr : src_loc ex_stuff data_name batypes { mk_con_decl $3 $2 (VanillaCon $4) $1 }
+ | src_loc ex_stuff data_name '{' fields1 '}' { mk_con_decl $3 $2 (RecCon $5) $1 }
+ -- We use "data_fs" so as to include ()
+
+newtype_constr :: { [RdrNameConDecl] {- Not allowed to be empty -} }
+newtype_constr : src_loc '=' ex_stuff data_name atype { [mk_con_decl $4 $3 (VanillaCon [Unbanged $5]) $1] }
+ | src_loc '=' ex_stuff data_name '{' var_name '::' atype '}'
+ { [mk_con_decl $4 $3 (RecCon [([$6], Unbanged $8)]) $1] }
+
+ex_stuff :: { ([HsTyVarBndr RdrName], RdrNameContext) }
+ex_stuff : { ([],[]) }
+ | '__forall' tv_bndrs opt_context '=>' { ($2,$3) }
batypes :: { [RdrNameBangType] }
-batypes : batype { [$1] }
- | batypes batype { $1 ++ [$2] }
+batypes : { [] }
+ | batype batypes { $1 : $2 }
-fields :: { [([RdrName], RdrNameBangType)] }
-fields : field { [$1] }
- | fields COMMA field { $1 ++ [$3] }
+batype :: { RdrNameBangType }
+batype : atype { Unbanged $1 }
+ | '!' atype { Banged $2 }
+ | '!' '!' atype { Unpacked $3 }
+
+fields1 :: { [([RdrName], RdrNameBangType)] }
+fields1 : field { [$1] }
+ | field ',' 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 }
+field : var_names1 '::' type { ($1, Unbanged $3) }
+ | var_names1 '::' '!' type { ($1, Banged $4) }
+ | var_names1 '::' '!' '!' type { ($1, Unpacked $5) }
+--------------------------------------------------------------------------
+
+type :: { RdrNameHsType }
+type : '__fuall' fuall '=>' type { mkHsUsForAllTy $2 $4 }
+ | '__forall' tv_bndrs
+ opt_context '=>' type { mkHsForAllTy (Just $2) $3 $5 }
+ | btype '->' type { HsFunTy $1 $3 }
+ | btype { $1 }
+
+fuall :: { [RdrName] }
+fuall : '[' uv_bndrs ']' { $2 }
-qop :: { RdrName }
-qop : BQUOTE QVARID BQUOTE { $2 }
- | BQUOTE QCONID BQUOTE { $2 }
+opt_context :: { RdrNameContext }
+opt_context : { [] }
+ | context { $1 }
+
+context :: { RdrNameContext }
+context : '(' context_list1 ')' { $2 }
+ | '{' context_list1 '}' { $2 } -- Backward compatibility
+
+context_list1 :: { RdrNameContext }
+context_list1 : class { [$1] }
+ | class ',' context_list1 { $1 : $3 }
+
+class :: { HsPred RdrName }
+class : qcls_name atypes { (HsPClass $1 $2) }
+ | ipvar_name '::' type { (HsPIParam $1 $3) }
+
+types0 :: { [RdrNameHsType] {- Zero or more -} }
+types0 : {- empty -} { [ ] }
+ | type { [ $1 ] }
+ | types2 { $1 }
+
+types2 :: { [RdrNameHsType] {- Two or more -} }
+types2 : type ',' type { [$1,$3] }
+ | type ',' types2 { $1 : $3 }
+
+btype :: { RdrNameHsType }
+btype : atype { $1 }
+ | btype atype { HsAppTy $1 $2 }
+ | '__u' usage atype { HsUsgTy $2 $3 }
+
+usage :: { HsUsageAnn RdrName }
+usage : '-' { HsUsOnce }
+ | '!' { HsUsMany }
+ | uv_name { HsUsVar $1 }
+
+atype :: { RdrNameHsType }
+atype : qtc_name { HsTyVar $1 }
+ | tv_name { HsTyVar $1 }
+ | '(' ')' { HsTupleTy (mkHsTupCon tcName Boxed []) [] }
+ | '(' types2 ')' { HsTupleTy (mkHsTupCon tcName Boxed $2) $2 }
+ | '(#' types0 '#)' { HsTupleTy (mkHsTupCon tcName Unboxed $2) $2 }
+ | '[' type ']' { HsListTy $2 }
+ | '{' qcls_name atypes '}' { mkHsDictTy $2 $3 }
+ | '{' ipvar_name '::' type '}' { mkHsIParamTy $2 $4 }
+ | '(' type ')' { $2 }
+
+atypes :: { [RdrNameHsType] {- Zero or more -} }
+atypes : { [] }
+ | atype atypes { $1 : $2 }
+---------------------------------------------------------------------
+package :: { PackageName }
+ : STRING { $1 }
+ | {- empty -} { opt_InPackage } -- Useful for .hi-boot files,
+ -- which can omit the package Id
+ -- Module loops are always within a package
+
+mod_name :: { ModuleName }
+ : CONID { mkSysModuleNameFS $1 }
+
+
+---------------------------------------------------
+var_fs :: { EncodedFS }
+ : VARID { $1 }
+ | '!' { SLIT("!") }
+ | 'as' { SLIT("as") }
+ | 'qualified' { SLIT("qualified") }
+ | 'hiding' { SLIT("hiding") }
+ | 'forall' { SLIT("forall") }
+ | 'foreign' { SLIT("foreign") }
+ | 'export' { SLIT("export") }
+ | 'label' { SLIT("label") }
+ | 'dynamic' { SLIT("dynamic") }
+ | 'unsafe' { SLIT("unsafe") }
+ | 'with' { SLIT("with") }
+ | 'ccall' { SLIT("ccall") }
+ | 'stdcall' { SLIT("stdcall") }
+
+qvar_fs :: { (EncodedFS, EncodedFS) }
+ : QVARID { $1 }
| 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 }
-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]
+
+var_occ :: { OccName }
+ : var_fs { mkSysOccFS varName $1 }
+
+var_name :: { RdrName }
+var_name : var_occ { mkRdrUnqual $1 }
+
+qvar_name :: { RdrName }
+qvar_name : var_name { $1 }
+ | qvar_fs { mkSysQual varName $1 }
+
+ipvar_name :: { RdrName }
+ : IPVARID { mkSysUnqual ipName (tailFS $1) }
+
+var_names :: { [RdrName] }
+var_names : { [] }
+ | var_name var_names { $1 : $2 }
+
+var_names1 :: { [RdrName] }
+var_names1 : var_name var_names { $1 : $2 }
+
+---------------------------------------------------
+-- For some bizarre reason,
+-- (,,,) is dealt with by the parser
+-- Foo.(,,,) is dealt with by the lexer
+-- Sigh
+
+data_fs :: { EncodedFS }
+ : CONID { $1 }
+ | CONSYM { $1 }
+
+qdata_fs :: { (EncodedFS, EncodedFS) }
+ : QCONID { $1 }
+ | QCONSYM { $1 }
+
+data_occ :: { OccName }
+ : data_fs { mkSysOccFS dataName $1 }
+
+data_name :: { RdrName }
+ : data_occ { mkRdrUnqual $1 }
+
+qdata_name :: { RdrName }
+qdata_name : data_name { $1 }
+ | qdata_fs { mkSysQual dataName $1 }
+
+var_or_data_name :: { RdrName }
+ : var_name { $1 }
+ | data_name { $1 }
+
+---------------------------------------------------
+tc_fs :: { EncodedFS }
+ : data_fs { $1 }
+
+tc_occ :: { OccName }
+ : tc_fs { mkSysOccFS tcName $1 }
+
+tc_name :: { RdrName }
+ : tc_occ { mkRdrUnqual $1 }
+
+qtc_name :: { RdrName }
+ : tc_name { $1 }
+ | qdata_fs { mkSysQual tcName $1 }
+
+---------------------------------------------------
+cls_name :: { RdrName }
+ : data_fs { mkSysUnqual clsName $1 }
+
+qcls_name :: { RdrName }
+ : cls_name { $1 }
+ | qdata_fs { mkSysQual clsName $1 }
+
+---------------------------------------------------
+uv_name :: { RdrName }
+ : VARID { mkSysUnqual uvName $1 }
+
+uv_bndr :: { RdrName }
+ : uv_name { $1 }
+
+uv_bndrs :: { [RdrName] }
+ : { [] }
+ | uv_bndr uv_bndrs { $1 : $2 }
+
+---------------------------------------------------
+tv_name :: { RdrName }
+ : VARID { mkSysUnqual tvName $1 }
+ | VARSYM { mkSysUnqual tvName $1 {- Allow t2 as a tyvar -} }
+
+tv_bndr :: { HsTyVarBndr RdrName }
+ : tv_name '::' akind { IfaceTyVar $1 $3 }
+ | tv_name { IfaceTyVar $1 boxedTypeKind }
+
+tv_bndrs :: { [HsTyVarBndr RdrName] }
+tv_bndrs : tv_bndrs1 { $1 }
+ | '[' tv_bndrs1 ']' { $2 } -- Backward compatibility
+
+tv_bndrs1 :: { [HsTyVarBndr RdrName] }
+ : { [] }
+ | tv_bndr tv_bndrs1 { $1 : $2 }
+
+---------------------------------------------------
+fds :: { [([RdrName], [RdrName])] }
+ : {- empty -} { [] }
+ | '|' fds1 { reverse $2 }
+
+fds1 :: { [([RdrName], [RdrName])] }
+ : fds1 ',' fd { $3 : $1 }
+ | fd { [$1] }
+
+fd :: { ([RdrName], [RdrName]) }
+ : varids0 '->' varids0 { (reverse $1, reverse $3) }
+
+varids0 :: { [RdrName] }
+ : {- empty -} { [] }
+ | varids0 tv_name { $2 : $1 }
+
+---------------------------------------------------
+kind :: { Kind }
+ : akind { $1 }
+ | akind '->' kind { mkArrowKind $1 $3 }
+
+akind :: { Kind }
+ : VARSYM { if $1 == SLIT("*") then
+ boxedTypeKind
+ else if $1 == SLIT("?") then
+ openTypeKind
+ else panic "ParseInterface: akind"
+ }
+ | '(' kind ')' { $2 }
+
--------------------------------------------------------------------------
- }
-pragmas_part :: { LocalPragmasMap }
-pragmas_part : PRAGMAS_PART
- { emptyFM }
- | { emptyFM }
+id_info :: { [HsIdInfo RdrName] }
+ : id_info_item { [$1] }
+ | id_info_item id_info { $1 : $2 }
+
+id_info_item :: { HsIdInfo RdrName }
+ : '__A' INTEGER { HsArity (exactArity (fromInteger $2)) }
+ | '__U' inline_prag core_expr { HsUnfold $2 $3 }
+ | '__M' { HsCprInfo }
+ | '__S' { HsStrictness (mkStrictnessInfo $1) }
+ | '__C' { HsNoCafRefs }
+ | '__P' qvar_name { HsWorker $2 }
+
+inline_prag :: { InlinePragInfo }
+ : {- empty -} { NoInlinePragInfo }
+ | '[' from_prag phase ']' { IMustNotBeINLINEd $2 $3 }
+
+from_prag :: { Bool }
+ : {- empty -} { True }
+ | '!' { False }
+
+phase :: { Maybe Int }
+ : {- empty -} { Nothing }
+ | INTEGER { Just (fromInteger $1) }
+
+-------------------------------------------------------
+core_expr :: { UfExpr RdrName }
+core_expr : '\\' core_bndrs '->' core_expr { foldr UfLam $4 $2 }
+ | 'case' core_expr 'of' var_name
+ '{' core_alts '}' { UfCase $2 $4 $6 }
+
+ | 'let' '{' core_val_bndr '=' core_expr
+ '}' 'in' core_expr { UfLet (UfNonRec $3 $5) $8 }
+ | '__letrec' '{' rec_binds '}'
+ 'in' core_expr { UfLet (UfRec $3) $6 }
+
+ | '__litlit' STRING atype { UfLitLit $2 $3 }
+
+ | fexpr { $1 }
+
+fexpr :: { UfExpr RdrName }
+fexpr : fexpr core_arg { UfApp $1 $2 }
+ | scc core_aexpr { UfNote (UfSCC $1) $2 }
+ | '__inline_me' core_aexpr { UfNote UfInlineMe $2 }
+ | '__inline_call' core_aexpr { UfNote UfInlineCall $2 }
+ | '__coerce' atype core_aexpr { UfNote (UfCoerce $2) $3 }
+ | core_aexpr { $1 }
+
+core_arg :: { UfExpr RdrName }
+ : '@' atype { UfType $2 }
+ | core_aexpr { $1 }
+
+core_args :: { [UfExpr RdrName] }
+ : { [] }
+ | core_arg core_args { $1 : $2 }
+
+core_aexpr :: { UfExpr RdrName } -- Atomic expressions
+core_aexpr : qvar_name { UfVar $1 }
+ | qdata_name { UfVar $1 }
+
+ | core_lit { UfLit $1 }
+ | '(' core_expr ')' { $2 }
+
+ | '(' ')' { UfTuple (mkHsTupCon dataName Boxed []) [] }
+ | '(' comma_exprs2 ')' { UfTuple (mkHsTupCon dataName Boxed $2) $2 }
+ | '(#' comma_exprs0 '#)' { UfTuple (mkHsTupCon dataName Unboxed $2) $2 }
+
+ | '{' '__ccall' ccall_string type '}'
+ { let
+ (is_dyn, is_casm, may_gc) = $2
+
+ target | is_dyn = DynamicTarget (error "CCall dyn target bogus unique")
+ | otherwise = StaticTarget $3
+
+ ccall = CCall target is_casm may_gc cCallConv
+ in
+ UfCCall ccall $4
+ }
+
+
+comma_exprs0 :: { [UfExpr RdrName] } -- Zero or more
+comma_exprs0 : {- empty -} { [ ] }
+ | core_expr { [ $1 ] }
+ | comma_exprs2 { $1 }
+
+comma_exprs2 :: { [UfExpr RdrName] } -- Two or more
+comma_exprs2 : core_expr ',' core_expr { [$1,$3] }
+ | core_expr ',' comma_exprs2 { $1 : $3 }
+
+rec_binds :: { [(UfBinder RdrName, UfExpr RdrName)] }
+ : { [] }
+ | core_val_bndr '=' core_expr ';' rec_binds { ($1,$3) : $5 }
+
+core_alts :: { [UfAlt RdrName] }
+ : { [] }
+ | core_alt ';' core_alts { $1 : $3 }
+
+core_alt :: { UfAlt RdrName }
+core_alt : core_pat '->' core_expr { (fst $1, snd $1, $3) }
+
+core_pat :: { (UfConAlt RdrName, [RdrName]) }
+core_pat : core_lit { (UfLitAlt $1, []) }
+ | '__litlit' STRING atype { (UfLitLitAlt $2 $3, []) }
+ | qdata_name core_pat_names { (UfDataAlt $1, $2) }
+ | '(' ')' { (UfTupleAlt (mkHsTupCon dataName Boxed []), []) }
+ | '(' comma_var_names1 ')' { (UfTupleAlt (mkHsTupCon dataName Boxed $2), $2) }
+ | '(#' comma_var_names1 '#)' { (UfTupleAlt (mkHsTupCon dataName Unboxed $2), $2) }
+ | '__DEFAULT' { (UfDefault, []) }
+ | '(' core_pat ')' { $2 }
+
+core_pat_names :: { [RdrName] }
+core_pat_names : { [] }
+ | core_pat_name core_pat_names { $1 : $2 }
+
+-- Tyvar names and variable names live in different name spaces
+-- so they need to be signalled separately. But we don't record
+-- types or kinds in a pattern; we work that out from the type
+-- of the case scrutinee
+core_pat_name :: { RdrName }
+core_pat_name : var_name { $1 }
+ | '@' tv_name { $2 }
+
+comma_var_names1 :: { [RdrName] } -- One or more
+comma_var_names1 : var_name { [$1] }
+ | var_name ',' comma_var_names1 { $1 : $3 }
+
+core_lit :: { Literal }
+core_lit : integer { mkMachInt $1 }
+ | CHAR { MachChar $1 }
+ | STRING { MachStr $1 }
+ | rational { MachDouble $1 }
+ | '__word' integer { mkMachWord $2 }
+ | '__word64' integer { mkMachWord64 $2 }
+ | '__int64' integer { mkMachInt64 $2 }
+ | '__float' rational { MachFloat $2 }
+ | '__addr' integer { MachAddr $2 }
+ | '__label' STRING { MachLabel $2 }
+
+integer :: { Integer }
+ : INTEGER { $1 }
+ | '-' INTEGER { (-$2) }
+
+rational :: { Rational }
+ : RATIONAL { $1 }
+ | '-' RATIONAL { (-$2) }
+
+core_bndr :: { UfBinder RdrName }
+core_bndr : core_val_bndr { $1 }
+ | core_tv_bndr { $1 }
+
+core_bndrs :: { [UfBinder RdrName] }
+core_bndrs : { [] }
+ | core_bndr core_bndrs { $1 : $2 }
+
+core_val_bndr :: { UfBinder RdrName }
+core_val_bndr : var_name '::' atype { UfValBinder $1 $3 }
+
+core_tv_bndr :: { UfBinder RdrName }
+core_tv_bndr : '@' tv_name '::' akind { UfTyBinder $2 $4 }
+ | '@' tv_name { UfTyBinder $2 boxedTypeKind }
+
+ccall_string :: { FAST_STRING }
+ : STRING { $1 }
+ | CLITLIT { $1 }
+ | VARID { $1 }
+ | CONID { $1 }
+
+------------------------------------------------------------------------
+scc :: { CostCentre }
+ : '__sccC' '{' mod_name '}' { AllCafsCC $3 }
+ | '__scc' '{' cc_name mod_name cc_dup cc_caf '}'
+ { NormalCC { cc_name = $3, cc_mod = $4,
+ cc_is_dupd = $5, cc_is_caf = $6 } }
+
+cc_name :: { EncodedFS }
+ : CONID { $1 }
+ | var_fs { $1 }
+
+cc_dup :: { IsDupdCC }
+cc_dup : { OriginalCC }
+ | '!' { DupdCC }
+
+cc_caf :: { IsCafCC }
+ : { NotCafCC }
+ | '__C' { CafCC }
+
+-------------------------------------------------------------------
+
+src_loc :: { SrcLoc }
+src_loc : {% getSrcLocP }
+
+-- Check the project version: this makes sure
+-- that the project version (e.g. 407) in the interface
+-- file is the same as that for the compiler that's reading it
+checkVersion :: { () }
+ : {-empty-} {% checkVersion Nothing }
+ | INTEGER {% checkVersion (Just (fromInteger $1)) }
+
+-------------------------------------------------------------------
+
+-- Haskell code
{
+happyError :: P a
+happyError buf PState{ loc = loc } = PFailed (ifaceParseErr buf loc)
+
+data IfaceStuff = PIface ParsedIface
+ | PIdInfo [HsIdInfo RdrName]
+ | PType RdrNameHsType
+ | PRulesAndDeprecs ([RdrNameRuleDecl], IfaceDeprecs)
+
+mk_con_decl name (ex_tvs, ex_ctxt) details loc = mkConDecl name ex_tvs ex_ctxt details loc
}
projects / ghc-hetmet.git / blobdiff