import HsSyn -- quite a bit of stuff
import RdrHsSyn -- oodles of synonyms
-import HsDecls ( HsIdInfo(..), HsStrictnessInfo(..) )
import HsTypes ( mkHsForAllTy )
import HsCore
import Const ( Literal(..), mkMachInt_safe )
)
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(..) )
import Lex
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 )
tcName, varName, dataName, clsName, tvName,
EncodedFS
)
-import Module ( Module, mkSysModuleFS, IfaceFlavour, hiFile, hiBootFile )
+import Module ( ModuleName, mkSysModuleFS )
import PrelMods ( mkTupNameStr, mkUbxTupNameStr )
import PrelInfo ( mkTupConRdrName, mkUbxTupConRdrName )
import SrcLoc ( SrcLoc )
}
%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
'then' { ITthen }
'type' { ITtype }
'where' { ITwhere }
- 'as' { ITas }
- '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 }
+
+ '__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 }
'__scc' { ITscc }
'__sccC' { ITsccAllCafs }
+ '__o' { ITonce }
+ '__m' { ITmany }
+
'__A' { ITarity }
'__P' { ITspecialise }
'__C' { ITnocaf }
'__U' { ITunfold $$ }
'__S' { ITstrict $$ }
+ '__R' { ITrules }
+ '__M' { ITcprinfo $$ }
'..' { ITdotdot } -- reserved symbols
'::' { ITdcolon }
STRING { ITstring $$ }
INTEGER { ITinteger $$ }
RATIONAL { ITrational $$ }
+ CLITLIT { ITlitlit $$ }
UNKNOWN { ITunknown $$ }
%%
iface_stuff : iface { let (nm, iff) = $1 in PIface nm iff }
| type { PType $1 }
| id_info { PIdInfo $1 }
+ | '__R' rules { PRules $2 }
-iface :: { (EncodedFS, ParsedIface) }
-iface : '__interface' mod_fs 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
+ rules_part
{ ( $2 -- Module name
- , ParsedIface
- (fromInteger $3) -- Module version
- (reverse $6) -- Usages
- (reverse $8) -- Exports
- (reverse $7) -- Instance import modules
- (reverse $10) -- Decls
- (reverse $9) -- Local instances
- )
- }
+ , 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 = $11 -- Rules
+ } ) }
--------------------------------------------------------------------------
| import_part import_decl { $2 : $1 }
import_decl :: { ImportVersion OccName }
-import_decl : 'import' mod_fs opt_bang INTEGER '::' whats_imported ';'
- { (mkSysModuleFS $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 : 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_fs entities ';'
- { (mkSysModuleFS $4 $3,$5) : $1 }
-
-opt_bang :: { IfaceFlavour }
-opt_bang : { hiFile }
- | '!' { hiBootFile }
+ | exports_part '__export'
+ mod_fs entities ';' { (mkSysModuleFS $3, $4) : $1 }
entities :: { [RdrAvailInfo] }
entities : { [] }
| 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
}
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])
+ case parseIface $2
+ PState{bol = 0#, atbol = 1#,
+ context = [],
+ glasgow_exts = 1#,
+ loc = $1 } of
+ POk _ (PIdInfo id_info) -> id_info
+ PFailed err ->
+ pprPanic "IdInfo parse failed"
+ (vcat [ppr x, err])
}
-----------------------------------------------------------------------------
+rules_part :: { [RdrNameRuleDecl] }
+rules_part : {- empty -} { [] }
+ | src_loc PRAGMA { case parseIface $2
+ PState{bol = 0#, atbol = 1#,
+ context = [],
+ glasgow_exts = 1#,
+ loc = $1 } of
+ POk _ (PRules rules) -> rules
+ PFailed err ->
+ pprPanic "Rules 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 }
+
+-----------------------------------------------------------------------------
+
version :: { Version }
version : INTEGER { fromInteger $1 }
decl_context : { [] }
| '{' context_list1 '}' '=>' { $2 }
-----------------------------------------------------------------
+----------------------------------------------------------------------------
constrs :: { [RdrNameConDecl] {- empty for 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 }
btype :: { RdrNameHsType }
btype : atype { $1 }
| btype atype { MonoTyApp $1 $2 }
+ | '__o' atype { MonoUsgTy UsOnce $2 }
+ | '__m' atype { MonoUsgTy UsMany $2 }
atype :: { RdrNameHsType }
atype : qtc_name { MonoTyVar $1 }
mod_fs :: { EncodedFS }
: CONID { $1 }
-mod_name :: { Module }
- : mod_fs { mkSysModuleFS $1 hiFile }
+mod_name :: { ModuleName }
+ : mod_fs { mkSysModuleFS $1 }
---------------------------------------------------
var_fs :: { EncodedFS }
: VARID { $1 }
| VARSYM { $1 }
- | '-' { SLIT("-") }
| '!' { SLIT("!") }
-
-
-qvar_fs :: { (EncodedFS, EncodedFS, IfaceFlavour) }
+ | 'forall' { SLIT("forall") }
+ | 'foreign' { SLIT("foreign") }
+ | 'export' { SLIT("export") }
+ | 'label' { SLIT("label") }
+ | 'dynamic' { SLIT("dynamic") }
+ | 'unsafe' { SLIT("unsafe") }
+
+qvar_fs :: { (EncodedFS, EncodedFS) }
: QVARID { $1 }
| QVARSYM { $1 }
: CONID { $1 }
| CONSYM { $1 }
-qdata_fs :: { (EncodedFS, EncodedFS, IfaceFlavour) }
+qdata_fs :: { (EncodedFS, EncodedFS) }
: QCONID { $1 }
| QCONSYM { $1 }
--------------------------------------------------------------------------
id_info :: { [HsIdInfo RdrName] }
-id_info : { [] }
+ : { [] }
| id_info_item id_info { $1 : $2 }
+ | strict_info id_info { $1 ++ $2 }
id_info_item :: { HsIdInfo RdrName }
-id_info_item : '__A' arity_info { HsArity $2 }
- | strict_info { HsStrictness $1 }
+ : '__A' arity_info { HsArity $2 }
| '__U' core_expr { HsUnfold $1 (Just $2) }
| '__U' { HsUnfold $1 Nothing }
- | '__P' spec_tvs
- atypes '=' core_expr { HsSpecialise $2 $3 $5 }
| '__C' { HsNoCafRefs }
+strict_info :: { [HsIdInfo RdrName] }
+ : cpr worker { ($1:$2) }
+ | strict worker { ($1:$2) }
+ | cpr strict worker { ($1:$2:$3) }
-spec_tvs :: { [HsTyVar RdrName] }
-spec_tvs : '[' tv_bndrs ']' { $2 }
-
+cpr :: { HsIdInfo RdrName }
+ : '__M' { HsCprInfo $1 }
-arity_info :: { ArityInfo }
-arity_info : INTEGER { exactArity (fromInteger $1) }
+strict :: { HsIdInfo RdrName }
+ : '__S' { HsStrictness (HsStrictnessInfo $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 }
+worker :: { [HsIdInfo RdrName] }
+ : qvar_name { [HsWorker $1] }
+ | {- nothing -} { [] }
+
+arity_info :: { ArityInfo }
+ : INTEGER { exactArity (fromInteger $1) }
-------------------------------------------------------
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 }
+ | '__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 }
| 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 }
ccall_string :: { FAST_STRING }
: STRING { $1 }
+ | CLITLIT { $1 }
| VARID { $1 }
| CONID { $1 }
------------------------------------------------------------------------
scc :: { CostCentre }
: '__sccC' '{' mod_name STRING '}' { AllCafsCC $3 $4 }
- | '__scc' '(' cc_name mod_name STRING cc_dup cc_caf '}'
+ | '__scc' '{' cc_name mod_name STRING cc_dup cc_caf '}'
{ NormalCC { cc_name = $3, cc_mod = $4, cc_grp = $5,
cc_is_dupd = $6, cc_is_caf = $7 } }
-------------------------------------------------------------------
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 EncodedFS{-.hi module name-} ParsedIface
| PIdInfo [HsIdInfo RdrName]
| PType RdrNameHsType
+ | PRules [RdrNameRuleDecl]
mkConDecl name (ex_tvs, ex_ctxt) details loc = ConDecl name ex_tvs ex_ctxt details loc
}
projects / ghc-hetmet.git / blobdiff