import HsSyn -- quite a bit of stuff
import RdrHsSyn -- oodles of synonyms
-import HsDecls ( HsIdInfo(..), HsStrictnessInfo(..) )
-import HsTypes ( mkHsForAllTy )
+import HsTypes ( mkHsForAllTy, mkHsUsForAllTy )
import HsCore
import Const ( Literal(..), mkMachInt_safe )
-import BasicTypes ( IfaceFlavour(..), Fixity(..), FixityDirection(..),
+import BasicTypes ( Fixity(..), FixityDirection(..),
NewOrData(..), Version
)
+import CostCentre ( CostCentre(..), IsCafCC(..), IsDupdCC(..) )
import HsPragmas ( noDataPragmas, noClassPragmas )
-import Type ( Kind, mkArrowKind, boxedTypeKind, openTypeKind )
-import IdInfo ( ArityInfo, exactArity )
+import Type ( Kind, mkArrowKind, boxedTypeKind, openTypeKind, UsageAnn(..) )
+import IdInfo ( ArityInfo, exactArity, CprInfo(..), InlinePragInfo(..) )
import Lex
-import RnEnv ( ifaceUnqualTC, ifaceUnqualVar, ifaceUnqualTv, ifaceQualVar, ifaceQualTC )
import RnMonad ( ImportVersion, LocalVersion, ParsedIface(..), WhatsImported(..),
- RdrNamePragma, ExportItem, RdrAvailInfo, GenAvailInfo(..)
+ RdrNamePragma, ExportItem, RdrAvailInfo, GenAvailInfo(..), WhetherHasOrphans
)
import Bag ( emptyBag, unitBag, snocBag )
import FiniteMap ( emptyFM, unitFM, addToFM, plusFM, bagToFM, FiniteMap )
-import Name ( OccName, isTCOcc, Provenance, Module,
- varOcc, tcOcc, mkModuleFS
+import RdrName ( RdrName, mkRdrUnqual, mkSysQual, mkSysUnqual )
+import Name ( OccName, Provenance )
+import OccName ( mkSysOccFS,
+ tcName, varName, ipName, dataName, clsName, tvName, uvName,
+ EncodedFS
)
+import Module ( ModuleName, mkSysModuleFS )
import PrelMods ( mkTupNameStr, mkUbxTupNameStr )
import PrelInfo ( mkTupConRdrName, mkUbxTupConRdrName )
import SrcLoc ( SrcLoc )
import Outputable
import GlaExts
+import FastString ( tailFS )
+
+#if __HASKELL1__ > 4
+import Ratio ( (%) )
+#endif
}
%name parseIface
-%tokentype { IfaceToken }
-%monad { IfM }{ thenIf }{ returnIf }
-%lexer { lexIface } { ITeof }
+%tokentype { Token }
+%monad { P }{ thenP }{ returnP }
+%lexer { lexer } { ITeof }
%token
'case' { ITcase } -- Haskell keywords
'qualified' { ITqualified }
'hiding' { IThiding }
- '__interface' { ITinterface } -- GHC-extension keywords
- '__export' { ITexport }
- '__instimport' { ITinstimport }
- '__forall' { ITforall }
+ 'forall' { ITforall } -- GHC extension keywords
+ 'foreign' { ITforeign }
+ 'export' { ITexport }
+ 'label' { ITlabel }
+ 'dynamic' { ITdynamic }
+ 'unsafe' { ITunsafe }
+ 'with' { ITwith }
+
+ '__interface' { ITinterface } -- interface keywords
+ '__export' { IT__export }
+ '__forall' { IT__forall }
+ '__depends' { ITdepends }
'__letrec' { ITletrec }
'__coerce' { ITcoerce }
- '__inline' { ITinline }
+ '__inline_call'{ ITinlineCall }
+ '__inline_me' { ITinlineMe }
'__DEFAULT' { ITdefaultbranch }
'__bot' { ITbottom }
'__integer' { ITinteger_lit }
'__litlit' { ITlit_lit }
'__string' { ITstring_lit }
'__ccall' { ITccall $$ }
- '__scc' { ITscc $$ }
- '__a' { ITtypeapp }
+ '__scc' { ITscc }
+ '__sccC' { ITsccAllCafs }
+
+ '__u' { ITusage }
+ '__fuall' { ITfuall }
'__A' { ITarity }
'__P' { ITspecialise }
'__C' { ITnocaf }
'__U' { ITunfold $$ }
'__S' { ITstrict $$ }
+ '__R' { ITrules }
+ '__D' { ITdeprecated }
+ '__M' { ITcprinfo $$ }
'..' { ITdotdot } -- reserved symbols
'::' { ITdcolon }
QVARSYM { ITqvarsym $$ }
QCONSYM { ITqconsym $$ }
+ IPVARID { ITipvarid $$ } -- GHC extension
+
PRAGMA { ITpragma $$ }
CHAR { ITchar $$ }
STRING { ITstring $$ }
INTEGER { ITinteger $$ }
RATIONAL { ITrational $$ }
+ CLITLIT { ITlitlit $$ }
UNKNOWN { ITunknown $$ }
%%
-- (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_stuff : iface { let (nm, iff) = $1 in PIface nm iff }
+ | type { PType $1 }
+ | id_info { PIdInfo $1 }
+ | '__R' rules { PRules $2 }
+ | '__D' deprecs { PDeprecs $2 }
-iface :: { ParsedIface }
-iface : '__interface' mod_name INTEGER checkVersion 'where'
- import_part
- instance_import_part
+iface :: { (ModuleName, ParsedIface) }
+iface : '__interface' mod_fs INTEGER orphans checkVersion 'where'
exports_part
+ import_part
instance_decl_part
decls_part
- { ParsedIface
- $2 -- Module name
- (fromInteger $3) -- Module version
- (reverse $6) -- Usages
- (reverse $8) -- Exports
- (reverse $7) -- Instance import modules
- (reverse $10) -- Decls
- (reverse $9) -- Local instances
- }
+ rules_and_deprecs
+ { ( $2 -- Module name
+ , ParsedIface {
+ pi_mod = fromInteger $3, -- Module version
+ pi_orphan = $4,
+ pi_exports = $7, -- Exports
+ pi_usages = $8, -- Usages
+ pi_insts = $9, -- Local instances
+ pi_decls = $10, -- Decls
+ pi_rules = fst $11, -- Rules
+ pi_deprecs = snd $11 -- Deprecations
+ } ) }
--------------------------------------------------------------------------
| import_part import_decl { $2 : $1 }
import_decl :: { ImportVersion OccName }
-import_decl : 'import' mod_name opt_bang INTEGER '::' whats_imported ';'
- { ($2, $3, fromInteger $4, $6) }
+import_decl : 'import' mod_fs INTEGER orphans whats_imported ';'
+ { (mkSysModuleFS $2, fromInteger $3, $4, $5) }
+ -- import Foo 3 :: a 1 b 3 c 7 ; means import a,b,c from Foo
+ -- import Foo 3 ; means import all of Foo
+ -- import Foo 3 ! :: ...stuff... ; the ! means that Foo contains orphans
+
+orphans :: { WhetherHasOrphans }
+orphans : { False }
+ | '!' { True }
whats_imported :: { WhatsImported OccName }
whats_imported : { Everything }
- | name_version_pair name_version_pairs { Specifically ($1:$2) }
+ | '::' name_version_pairs { Specifically $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) }
+name_version_pair : var_occ INTEGER { ($1, fromInteger $2) }
+ | tc_occ INTEGER { ($1, fromInteger $2) }
-instance_import_part :: { [Module] }
-instance_import_part : { [] }
- | instance_import_part '__instimport' mod_name ';'
- { $3 : $1 }
--------------------------------------------------------------------------
exports_part :: { [ExportItem] }
exports_part : { [] }
- | exports_part '__export' opt_bang mod_name entities ';'
- { ($4,$3,$5) : $1 }
-
-opt_bang :: { IfaceFlavour }
-opt_bang : { HiFile }
- | '!' { HiBootFile }
+ | exports_part '__export'
+ mod_fs entities ';' { (mkSysModuleFS $3, $4) : $1 }
entities :: { [RdrAvailInfo] }
-entities : { [] }
- | entity entities { $1 : $2 }
+entities : { [] }
+ | entity entities { $1 : $2 }
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 '|' stuff_inside { AvailTC $1 $3 }
+entity : tc_occ { AvailTC $1 [$1] }
+ | var_occ { Avail $1 }
+ | tc_occ stuff_inside { AvailTC $1 ($1:$2) }
+ | tc_occ '|' stuff_inside { AvailTC $1 $3 }
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 }
+
+
--------------------------------------------------------------------------
fixity :: { FixityDirection }
| csig ';' csigs1 { $1 : $3 }
csig :: { RdrNameSig }
-csig : src_loc var_name '::' type { ClassOpSig $2 Nothing $4 $1 }
- | src_loc var_name '=' '::' type
- { ClassOpSig $2
- (Just (error "Un-filled-in default method"))
- $5 $1 }
+csig : src_loc var_name '::' type { mkClassOpSig False $2 $4 $1 }
+ | src_loc var_name '=' '::' type { mkClassOpSig True $2 $5 $1 }
--------------------------------------------------------------------------
{ InstDecl $3
EmptyMonoBinds {- No bindings -}
[] {- No user pragmas -}
- (Just $5) {- Dfun id -}
+ $5 {- Dfun id -}
$1
}
{ SigD (IfaceSig $2 $4 ($5 $2) $1) }
| src_loc 'type' tc_name tv_bndrs '=' type
{ TyClD (TySynonym $3 $4 $6 $1) }
- | src_loc 'data' decl_context data_fs tv_bndrs constrs
- { TyClD (TyData DataType $3 (ifaceUnqualTC $4) $5 $6 Nothing noDataPragmas $1) }
+ | src_loc 'data' decl_context tc_name tv_bndrs constrs
+ { TyClD (TyData DataType $3 $4 $5 $6 Nothing noDataPragmas $1) }
| src_loc 'newtype' decl_context tc_name tv_bndrs newtype_constr
{ TyClD (TyData NewType $3 $4 $5 $6 Nothing noDataPragmas $1) }
- | src_loc 'class' decl_context tc_name tv_bndrs csigs
- { TyClD (mkClassDecl $3 $4 $5 $6 EmptyMonoBinds
+ | src_loc 'class' decl_context tc_name tv_bndrs fds csigs
+ { TyClD (mkClassDecl $3 $4 $5 $6 $7 EmptyMonoBinds
noClassPragmas $1) }
- | src_loc fixity mb_fix val_occ
- { FixD (FixitySig (Unqual $4) (Fixity $3 $2) $1) }
+ | src_loc fixity mb_fix var_or_data_name
+ { FixD (FixitySig $4 (Fixity $3 $2) $1) }
maybe_idinfo :: { RdrName -> [HsIdInfo RdrName] }
maybe_idinfo : {- empty -} { \_ -> [] }
- | src_loc PRAGMA { \x ->
- case parseIface $2 $1 of
- Succeeded (PIdInfo id_info) -> id_info
- Failed err -> pprPanic "IdInfo parse failed"
- (vcat [ppr x, err])
+ | 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 }
+ }
+
+-----------------------------------------------------------------------------
+
+rules_and_deprecs :: { ([RdrNameRuleDecl], [RdrNameDeprecation]) }
+rules_and_deprecs : {- empty -} { ([], []) }
+ | rules_and_deprecs rule_or_deprec
+ { let
+ append2 (xs1,ys1) (xs2,ys2) =
+ (xs1 `app` xs2, ys1 `app` ys2)
+ xs `app` [] = xs -- performance paranoia
+ xs `app` ys = xs ++ ys
+ in append2 $1 $2
}
+rule_or_deprec :: { ([RdrNameRuleDecl], [RdrNameDeprecation]) }
+rule_or_deprec : pragma { case $1 of
+ POk _ (PRules rules) -> (rules,[])
+ POk _ (PDeprecs deprecs) -> ([],deprecs)
+ PFailed err -> pprPanic "Rules/Deprecations parse failed" err
+ }
+
+-----------------------------------------------------------------------------
+
+rules :: { [RdrNameRuleDecl] }
+ : {- empty -} { [] }
+ | rule ';' rules { $1:$3 }
+
+rule :: { RdrNameRuleDecl }
+rule : src_loc STRING rule_forall qvar_name
+ core_args '=' core_expr { IfaceRuleDecl $4 (UfRuleBody $2 $3 $5 $7) $1 }
+
+rule_forall :: { [UfBinder RdrName] }
+rule_forall : '__forall' '{' core_bndrs '}' { $3 }
+
+-----------------------------------------------------------------------------
+
+deprecs :: { [RdrNameDeprecation] }
+deprecs : {- empty -} { [] }
+ | deprecs deprec ';' { $2 : $1 }
+
+deprec :: { RdrNameDeprecation }
+deprec : STRING { Deprecation (IEModuleContents undefined) $1 }
+ | deprec_name STRING { Deprecation $1 $2 }
+
+-- SUP: TEMPORARY HACK
+deprec_name :: { RdrNameIE }
+ : var_name { IEVar $1 }
+ | data_name { IEThingAbs $1 }
+
-----------------------------------------------------------------------------
version :: { Version }
decl_context : { [] }
| '{' context_list1 '}' '=>' { $2 }
-----------------------------------------------------------------
+----------------------------------------------------------------------------
constrs :: { [RdrNameConDecl] {- empty for handwritten abstract -} }
: { [] }
| constr '|' constrs1 { $1 : $3 }
constr :: { RdrNameConDecl }
-constr : src_loc ex_stuff data_fs batypes { mkConDecl (ifaceUnqualVar $3) $2 (VanillaCon $4) $1 }
- | src_loc ex_stuff data_fs '{' fields1 '}' { mkConDecl (ifaceUnqualVar $3) $2 (RecCon $5) $1 }
+constr : src_loc ex_stuff data_name batypes { mkConDecl $3 $2 (VanillaCon $4) $1 }
+ | src_loc ex_stuff data_name '{' fields1 '}' { mkConDecl $3 $2 (RecCon $5) $1 }
-- We use "data_fs" so as to include ()
newtype_constr :: { [RdrNameConDecl] {- Empty if handwritten abstract -} }
batype :: { RdrNameBangType }
batype : atype { Unbanged $1 }
| '!' atype { Banged $2 }
+ | '!' '!' atype { Unpacked $3 }
fields1 :: { [([RdrName], RdrNameBangType)] }
fields1 : field { [$1] }
field :: { ([RdrName], RdrNameBangType) }
field : var_names1 '::' type { ($1, Unbanged $3) }
| var_names1 '::' '!' type { ($1, Banged $4) }
+ | var_names1 '::' '!' '!' type { ($1, Unpacked $5) }
--------------------------------------------------------------------------
type :: { RdrNameHsType }
-type : '__forall' forall context '=>' type
- { mkHsForAllTy $2 $3 $5 }
+type : '__fuall' fuall '=>' type { mkHsUsForAllTy $2 $4 }
+ | '__forall' forall context '=>' type
+ { mkHsForAllTy (Just $2) $3 $5 }
| btype '->' type { MonoFunTy $1 $3 }
| btype { $1 }
+fuall :: { [RdrName] }
+fuall : '[' uv_bndrs ']' { $2 }
+
forall :: { [HsTyVar RdrName] }
forall : '[' tv_bndrs ']' { $2 }
context_list1 : class { [$1] }
| class ',' context_list1 { $1 : $3 }
-class :: { (RdrName, [RdrNameHsType]) }
-class : qtc_name atypes { ($1, $2) }
+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] }
btype :: { RdrNameHsType }
btype : atype { $1 }
| btype atype { MonoTyApp $1 $2 }
+ | '__u' usage atype { MonoUsgTy $2 $3 }
+
+usage :: { MonoUsageAnn RdrName }
+usage : '-' { MonoUsOnce }
+ | '!' { MonoUsMany }
+ | uv_name { MonoUsVar $1 }
atype :: { RdrNameHsType }
atype : qtc_name { MonoTyVar $1 }
| tv_name { MonoTyVar $1 }
- | '(' ')' { MonoTupleTy [] True }
| '(' types2 ')' { MonoTupleTy $2 True{-boxed-} }
- | '(#' type '#)' { MonoTupleTy [$2] False{-unboxed-} }
- | '(#' types2 '#)' { MonoTupleTy $2 False{-unboxed-} }
+ | '(#' types0 '#)' { MonoTupleTy $2 False{-unboxed-} }
| '[' type ']' { MonoListTy $2 }
- | '{' qtc_name atypes '}' { MonoDictTy $2 $3 }
+ | '{' qcls_name atypes '}' { MonoDictTy $2 $3 }
+ | '{' ipvar_name '::' type '}' { MonoIParamTy $2 $4 }
| '(' type ')' { $2 }
+-- This one is dealt with via qtc_name
+-- | '(' ')' { MonoTupleTy [] True }
+
atypes :: { [RdrNameHsType] {- Zero or more -} }
atypes : { [] }
| atype atypes { $1 : $2 }
---------------------------------------------------------------------
-
-mod_name :: { Module }
- : CONID { mkModuleFS $1 }
-
-var_fs :: { FAST_STRING }
- : VARID { $1 }
- | VARSYM { $1 }
- | '-' { SLIT("-") }
- | '!' { SLIT("!") }
-
-data_fs :: { FAST_STRING }
+mod_fs :: { EncodedFS }
: CONID { $1 }
- | CONSYM { $1 }
- | '->' { SLIT("->") }
- | '(' ')' { SLIT("()") }
- | '(' commas ')' { snd (mkTupNameStr $2) }
- | '[' ']' { SLIT("[]") }
-
-commas :: { Int }
- : ',' { 2 }
- | commas ',' { $1 + 1 }
-val_occ :: { OccName }
- : var_fs { varOcc $1 }
- | data_fs { varOcc $1 }
+mod_name :: { ModuleName }
+ : mod_fs { mkSysModuleFS $1 }
-val_occs :: { [OccName] }
- : val_occ { [$1] }
- | val_occ val_occs { $1 : $2 }
-entity_occ :: { OccName }
- : var_fs { varOcc $1 }
- | data_fs { tcOcc $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") }
+
+qvar_fs :: { (EncodedFS, EncodedFS) }
+ : QVARID { $1 }
+ | QVARSYM { $1 }
+
+var_occ :: { OccName }
+ : var_fs { mkSysOccFS varName $1 }
var_name :: { RdrName }
-var_name : var_fs { ifaceUnqualVar $1 }
+var_name : var_occ { mkRdrUnqual $1 }
qvar_name :: { RdrName }
qvar_name : var_name { $1 }
- | QVARID { ifaceQualVar $1 }
- | QVARSYM { ifaceQualVar $1 }
+ | qvar_fs { mkSysQual varName $1 }
+
+ipvar_name :: { RdrName }
+ : IPVARID { mkSysUnqual ipName (tailFS $1) }
var_names :: { [RdrName] }
var_names : { [] }
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 }
- : CONID { ifaceUnqualVar $1 }
- | CONSYM { ifaceUnqualVar $1 }
- | '(' commas ')' { ifaceUnqualVar (snd (mkTupNameStr $2)) }
- | '[' ']' { ifaceUnqualVar SLIT("[]") }
+ : data_occ { mkRdrUnqual $1 }
qdata_name :: { RdrName }
qdata_name : data_name { $1 }
- | QCONID { ifaceQualVar $1 }
- | QCONSYM { ifaceQualVar $1 }
+ | qdata_fs { mkSysQual dataName $1 }
qdata_names :: { [RdrName] }
qdata_names : { [] }
| qdata_name qdata_names { $1 : $2 }
+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_name : CONID { ifaceUnqualTC $1 }
- | CONSYM { ifaceUnqualTC $1 }
- | '(' '->' ')' { ifaceUnqualTC SLIT("->") }
- | '(' commas ')' { ifaceUnqualTC (snd (mkTupNameStr $2)) }
- | '[' ']' { ifaceUnqualTC SLIT("[]") }
+ : tc_occ { mkRdrUnqual $1 }
qtc_name :: { RdrName }
-qtc_name : tc_name { $1 }
- | QCONID { ifaceQualTC $1 }
- | QCONSYM { ifaceQualTC $1 }
+ : 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 }
-tv_name : VARID { ifaceUnqualTv $1 }
- | VARSYM { ifaceUnqualTv $1 {- Allow t2 as a tyvar -} }
+ : VARID { mkSysUnqual tvName $1 }
+ | VARSYM { mkSysUnqual tvName $1 {- Allow t2 as a tyvar -} }
tv_bndr :: { HsTyVar RdrName }
-tv_bndr : tv_name '::' akind { IfaceTyVar $1 $3 }
+ : tv_name '::' akind { IfaceTyVar $1 $3 }
| tv_name { IfaceTyVar $1 boxedTypeKind }
tv_bndrs :: { [HsTyVar RdrName] }
: { [] }
| tv_bndr tv_bndrs { $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 }
--------------------------------------------------------------------------
id_info :: { [HsIdInfo RdrName] }
-id_info : { [] }
+ : { [] }
| id_info_item id_info { $1 : $2 }
id_info_item :: { HsIdInfo RdrName }
-id_info_item : '__A' arity_info { HsArity $2 }
- | strict_info { HsStrictness $1 }
- | '__U' core_expr { HsUnfold $1 (Just $2) }
- | '__U' { HsUnfold $1 Nothing }
- | '__P' spec_tvs
- atypes '=' core_expr { HsSpecialise $2 $3 $5 }
+ : '__A' INTEGER { HsArity (exactArity (fromInteger $2)) }
+ | '__U' inline_prag core_expr { HsUnfold $2 $3 }
+ | '__M' { HsCprInfo $1 }
+ | '__S' { HsStrictness (HsStrictnessInfo $1) }
| '__C' { HsNoCafRefs }
+ | '__P' qvar_name { HsWorker $2 }
-
-spec_tvs :: { [HsTyVar RdrName] }
-spec_tvs : '[' tv_bndrs ']' { $2 }
-
-
-arity_info :: { ArityInfo }
-arity_info : INTEGER { exactArity (fromInteger $1) }
-
-strict_info :: { HsStrictnessInfo RdrName }
-strict_info : '__S' qvar_name '{' qdata_names '}'
- { HsStrictnessInfo $1 (Just ($2,$4)) }
- | '__S' qvar_name { HsStrictnessInfo $1 (Just ($2,[])) }
- | '__S' { HsStrictnessInfo $1 Nothing }
+inline_prag :: { InlinePragInfo }
+ : {- empty -} { NoInlinePragInfo }
+ | '[' INTEGER ']' { IMustNotBeINLINEd True (Just (fromInteger $2)) } -- INLINE n
+ | '[' '!' INTEGER ']' { IMustNotBeINLINEd False (Just (fromInteger $3)) } -- NOINLINE n
-------------------------------------------------------
core_expr :: { UfExpr RdrName }
| con_or_primop '{' core_args '}' { UfCon $1 $3 }
| '__litlit' STRING atype { UfCon (UfLitLitCon $2 $3) [] }
- | '__inline' core_expr { UfNote UfInlineCall $2 }
- | '__coerce' atype core_expr { UfNote (UfCoerce $2) $3 }
- | '__scc' core_expr { UfNote (UfSCC $1) $2 }
- | fexpr { $1 }
+ | '__inline_me' core_expr { UfNote UfInlineMe $2 }
+ | '__inline_call' core_expr { UfNote UfInlineCall $2 }
+ | '__coerce' atype core_expr { UfNote (UfCoerce $2) $3 }
+ | scc core_expr { UfNote (UfSCC $1) $2 }
+ | fexpr { $1 }
fexpr :: { UfExpr RdrName }
fexpr : fexpr core_arg { UfApp $1 $2 }
| core_aexpr { $1 }
core_arg :: { UfExpr RdrName }
- : '__a' atype { UfType $2 }
+ : '@' atype { UfType $2 }
| core_aexpr { $1 }
core_args :: { [UfExpr RdrName] }
| core_lit { UfCon (UfLitCon $1) [] }
| '(' core_expr ')' { $2 }
- | '(' ')' { UfTuple (mkTupConRdrName 0) [] }
| '(' comma_exprs2 ')' { UfTuple (mkTupConRdrName (length $2)) $2 }
- | '(#' core_expr '#)' { UfTuple (mkUbxTupConRdrName 1) [$2] }
- | '(#' comma_exprs2 '#)' { UfTuple (mkUbxTupConRdrName (length $2)) $2 }
+ | '(#' comma_exprs0 '#)' { UfTuple (mkUbxTupConRdrName (length $2)) $2 }
+
+-- This one is dealt with by qdata_name: see above comments
+-- | '(' ')' { UfTuple (mkTupConRdrName 0) [] }
+
+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_pat :: { (UfCon RdrName, [RdrName]) }
core_pat : core_lit { (UfLitCon $1, []) }
| '__litlit' STRING atype { (UfLitLitCon $2 $3, []) }
- | qdata_name var_names { (UfDataCon $1, $2) }
- | '(' comma_var_names ')' { (UfDataCon (mkTupConRdrName (length $2)), $2) }
+ | qdata_name core_pat_names { (UfDataCon $1, $2) }
+ | '(' comma_var_names1 ')' { (UfDataCon (mkTupConRdrName (length $2)), $2) }
| '(#' comma_var_names1 '#)' { (UfDataCon (mkUbxTupConRdrName (length $2)), $2) }
| '__DEFAULT' { (UfDefault, []) }
| '(' core_pat ')' { $2 }
-
-comma_var_names :: { [RdrName] } -- Zero, or two or more
-comma_var_names : { [] }
- | var_name ',' comma_var_names1 { $1 : $3 }
-
+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_safe $1 }
+core_lit : integer { mkMachInt_safe $1 }
| CHAR { MachChar $1 }
| STRING { MachStr $1 }
| '__string' STRING { NoRepStr $2 (panic "NoRepStr type") }
- | RATIONAL { MachDouble $1 }
- | '__float' RATIONAL { MachFloat $2 }
+ | rational { MachDouble $1 }
+ | '__float' rational { MachFloat $2 }
- | '__integer' INTEGER { NoRepInteger $2 (panic "NoRepInteger type")
+ | '__integer' integer { NoRepInteger $2 (panic "NoRepInteger type")
-- The type checker will add the types
}
- | '__rational' INTEGER INTEGER { NoRepRational ($2 % $3)
+ | '__rational' integer integer { NoRepRational ($2 % $3)
(panic "NoRepRational type")
-- The type checker will add the type
}
- | '__addr' INTEGER { MachAddr $2 }
+ | '__addr' integer { MachAddr $2 }
+
+integer :: { Integer }
+ : INTEGER { $1 }
+ | '-' INTEGER { (-$2) }
+
+rational :: { Rational }
+ : RATIONAL { $1 }
+ | '-' RATIONAL { (-$2) }
core_bndr :: { UfBinder RdrName }
core_bndr : core_val_bndr { $1 }
core_val_bndr : var_name '::' atype { UfValBinder $1 $3 }
core_tv_bndr :: { UfBinder RdrName }
-core_tv_bndr : '__a' tv_name '::' akind { UfTyBinder $2 $4 }
- | '__a' tv_name { UfTyBinder $2 boxedTypeKind }
+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 : {% getSrcLocIf }
+src_loc : {% getSrcLocP }
checkVersion :: { () }
: {-empty-} {% checkVersion Nothing }
-- Haskell code
{
+happyError :: P a
+happyError buf PState{ loc = loc } = PFailed (ifaceParseErr buf loc)
-data IfaceStuff = PIface ParsedIface
+data IfaceStuff = PIface EncodedFS{-.hi module name-} ParsedIface
| PIdInfo [HsIdInfo RdrName]
| PType RdrNameHsType
+ | PRules [RdrNameRuleDecl]
+ | PDeprecs [RdrNameDeprecation]
mkConDecl name (ex_tvs, ex_ctxt) details loc = ConDecl name ex_tvs ex_ctxt details loc
}