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[Git][ghc/ghc][wip/jeltsch/textual-bytecode-output] Add output of `<none>` in case of missing (type) variables
by Wolfgang Jeltsch (＠jeltsch) 11 Jul '26

11 Jul '26

Wolfgang Jeltsch pushed to branch wip/jeltsch/textual-bytecode-output at Glasgow Haskell Compiler / GHC Commits: c461ef90 by Wolfgang Jeltsch at 2026-07-10T21:59:43+03:00 Add output of `<none>` in case of missing (type) variables - - - - - 1 changed file: - compiler/GHC/ByteCode/Show.hs Changes: ===================================== compiler/GHC/ByteCode/Show.hs ===================================== @@ -364,7 +364,7 @@ pprType = entry (text "type") . ppr -- | […] pprTypeVariables :: [IfaceTvBndr] -> SDoc pprTypeVariables = entry (text "type variables") . - vcat . + vcatOrNone . map pprTypeVariableBinder -- | […] @@ -373,7 +373,7 @@ pprTypeVariableBinder (name, kind) = ppr name <+> text "::" <+> ppr kind -- | […] pprVariables :: [Maybe (IfaceIdBndr, Word)] -> SDoc -pprVariables = entry (text "variables") . vcat . map pprVariable +pprVariables = entry (text "variables") . vcatOrNone . map pprVariable -- | […] pprVariable :: Maybe (IfaceIdBndr, Word) -> SDoc View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c461ef90e2cd36eb8c28b0de196b38f… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c461ef90e2cd36eb8c28b0de196b38f… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/jeltsch/textual-bytecode-output] 7 commits: Make output of free variables vertical with `<none>`
by Wolfgang Jeltsch (＠jeltsch) 11 Jul '26

11 Jul '26

Wolfgang Jeltsch pushed to branch wip/jeltsch/textual-bytecode-output at Glasgow Haskell Compiler / GHC Commits: b8d3533a by Wolfgang Jeltsch at 2026-07-10T18:06:59+03:00 Make output of free variables vertical with `<none>` - - - - - f2dd3cce by Wolfgang Jeltsch at 2026-07-10T18:10:20+03:00 Make output of declaration paths vertical with `<empty`> - - - - - 78044d0a by Wolfgang Jeltsch at 2026-07-10T18:26:08+03:00 Remove `compiled bytecode:` and the following indentation - - - - - 0035654b by Wolfgang Jeltsch at 2026-07-10T20:53:47+03:00 Shorten “bytecode objects” to “objects” - - - - - 8d81bf98 by Wolfgang Jeltsch at 2026-07-10T21:05:32+03:00 Include outputting of the colon in `entry` - - - - - 94d5f860 by Wolfgang Jeltsch at 2026-07-10T21:36:00+03:00 Add quotes where appropriate - - - - - 64f1f572 by Wolfgang Jeltsch at 2026-07-10T21:50:36+03:00 Improve the output of “pointers” - - - - - 1 changed file: - compiler/GHC/ByteCode/Show.hs Changes: ===================================== compiler/GHC/ByteCode/Show.hs ===================================== @@ -47,6 +47,7 @@ import GHC.Utils.Outputable text, (<>), (<+>), + quotes, hsep, vcat, hang, @@ -98,17 +99,16 @@ pprOnDiskModuleByteCode OnDiskModuleByteCode {..} -- | […] pprModuleIdent :: Module -> SDoc -pprModuleIdent = entry (text "name:") . ppr +pprModuleIdent = entry (text "name") . ppr -- | […] pprOnDiskModuleByteCodeHash :: Fingerprint -> SDoc -pprOnDiskModuleByteCodeHash = entry (text "hash:") . ppr +pprOnDiskModuleByteCodeHash = entry (text "hash") . ppr -- | […] pprCompiledByteCode :: Module -> CompiledByteCode -> SDoc pprCompiledByteCode currentModule CompiledByteCode {..} - = entry (text "compiled bytecode:") $ - vcat [ + = vcat [ pprByteCodeObjects currentModule $ bc_bcos, pprDataConstructorInfoTables $ bc_itbls, pprTopLevelStrings $ bc_strs, @@ -119,7 +119,7 @@ pprCompiledByteCode currentModule CompiledByteCode {..} -- | […] pprByteCodeObjects :: Module -> FlatBag UnlinkedBCO -> SDoc -pprByteCodeObjects currentModule = entry (text "bytecode objects:") . +pprByteCodeObjects currentModule = entry (text "objects") . vcatOrNone . map (pprByteCodeObject currentModule) . elemsFlatBag @@ -128,7 +128,7 @@ pprByteCodeObjects currentModule = entry (text "bytecode objects:") . pprByteCodeObject :: Module -> UnlinkedBCO -> SDoc pprByteCodeObject currentModule byteCodeObject = case byteCodeObject of UnlinkedBCO {..} - -> entry (text "ordinary object" <+> ppr unlinkedBCOName <> text ":") $ + -> entry (text "ordinary object" <+> quotes (ppr unlinkedBCOName)) $ vcat [ pprArity $ unlinkedBCOArity, pprLiterals currentModule $ unlinkedBCOLits, @@ -136,9 +136,8 @@ pprByteCodeObject currentModule byteCodeObject = case byteCodeObject of ] UnlinkedStaticCon {..} -> entry ( - text "static-construction object" <+> - ppr unlinkedStaticConName <> - text ":" + text "static-construction object" <+> + quotes (ppr unlinkedStaticConName) ) $ vcat [ @@ -150,19 +149,19 @@ pprByteCodeObject currentModule byteCodeObject = case byteCodeObject of -- | […] pprArity :: Int -> SDoc -pprArity = entry (text "arity:") . ppr +pprArity = entry (text "arity") . ppr -- | […] pprDataConstructorName :: Name -> SDoc -pprDataConstructorName = entry (text "data constructor name:") . ppr +pprDataConstructorName = entry (text "data constructor name") . ppr -- | […] pprLiftedness :: Bool -> SDoc -pprLiftedness = entry (text "lifted:") . noOrYes +pprLiftedness = entry (text "lifted") . noOrYes -- | […] pprLiterals :: Module -> FlatBag BCONPtr -> SDoc -pprLiterals currentModule = entry (text "literals:") . +pprLiterals currentModule = entry (text "literals") . vcatOrNone . map (pprLiteral currentModule) . elemsFlatBag @@ -175,13 +174,13 @@ pprLiteral currentModule literal = case literal of ppr word BCONPtrLbl label -> text "label" <+> - ppr label + quotes (ppr label) BCONPtrItbl infoTableName -> text "info table of" <+> - ppr infoTableName + quotes (ppr infoTableName) BCONPtrAddr addrName -> text "address" <+> - ppr addrName + quotes (ppr addrName) BCONPtrStr encodedString -> text "top-level string" <+> text (show (utf8DecodeByteString encodedString)) @@ -190,7 +189,7 @@ pprLiteral currentModule literal = case literal of text (show (unpackFS string)) BCONPtrFFIInfo ffiInfo -> text "foreign function" <+> - pprFFIInfo ffiInfo + quotes (pprFFIInfo ffiInfo) BCONPtrCostCentre breakpointID -> text "cost center" <+> pprInternalBreakpointID currentModule breakpointID @@ -222,7 +221,7 @@ pprInternalBreakpointID currentModule InternalBreakpointId {..} -- | […] pprPointers :: Module -> FlatBag BCOPtr -> SDoc -pprPointers currentModule = entry (text "pointers:") . +pprPointers currentModule = entry (text "utilized items") . vcatOrNone . map (pprPointer currentModule) . elemsFlatBag @@ -231,24 +230,24 @@ pprPointers currentModule = entry (text "pointers:") . pprPointer :: Module -> BCOPtr -> SDoc pprPointer currentModule pointer = case pointer of BCOPtrName name - -> text "name" <+> ppr name + -> text "item named" <+> quotes (ppr name) BCOPtrPrimOp primOp - -> text "primitive operation" <+> ppr primOp + -> text "primitive operation" <+> quotes (ppr primOp) BCOPtrBCO byteCodeObject -> pprByteCodeObject currentModule byteCodeObject BCOPtrBreakArray breakArrayModule - -> text "break array of module" <+> ppr breakArrayModule + -> text "break array of module" <+> quotes (ppr breakArrayModule) -- | […] pprDataConstructorInfoTables :: [(Name, ConInfoTable)] -> SDoc -pprDataConstructorInfoTables = entry (text "data constructor info tables:") . - vcatOrNone . +pprDataConstructorInfoTables = entry (text "data constructor info tables") . + vcatOrNone . map (uncurry pprDataConstructorInfoTable) -- | […] pprDataConstructorInfoTable :: Name -> ConInfoTable -> SDoc pprDataConstructorInfoTable dataConstrName ConInfoTable {..} - = entry (text "info table of" <+> ppr dataConstrName <> text ":") $ + = entry (text "info table of" <+> quotes (ppr dataConstrName)) $ vcat [ pprPointerWordCount $ conItblPtrs, pprNonPointerWordCount $ conItblNPtrs @@ -256,31 +255,30 @@ pprDataConstructorInfoTable dataConstrName ConInfoTable {..} -- | […] pprPointerWordCount :: Int -> SDoc -pprPointerWordCount = entry (text "number of words for pointers:") . ppr +pprPointerWordCount = entry (text "number of words for pointers") . ppr -- | […] pprNonPointerWordCount :: Int -> SDoc -pprNonPointerWordCount = entry (text "number of words for non-pointers:") . ppr +pprNonPointerWordCount = entry (text "number of words for non-pointers") . ppr -- | […] pprTopLevelStrings :: [(Name, ByteString)] -> SDoc -pprTopLevelStrings = entry (text "top-level strings:") . - vcatOrNone . +pprTopLevelStrings = entry (text "top-level strings") . + vcatOrNone . map (uncurry pprTopLevelString) -- | […] pprTopLevelString :: Name -> ByteString -> SDoc -pprTopLevelString stringName encodedString - = entry (ppr stringName <> text ":") $ - text $ - show $ - utf8DecodeByteString $ - encodedString +pprTopLevelString stringName encodedString = entry (ppr stringName) $ + text $ + show $ + utf8DecodeByteString $ + encodedString -- | […] pprBreakpoints :: Module -> Maybe InternalModBreaks -> SDoc pprBreakpoints currentModule - = entry (text "breakpoints:") . + = entry (text "breakpoints") . maybe (text "<none>") (pprBreakpointsData currentModule) -- | […] @@ -294,7 +292,7 @@ pprBreakpointsData currentModule InternalModBreaks {..} -- | […] pprBreakpointsInSource :: Module -> ModBreaks -> SDoc pprBreakpointsInSource currentModule ModBreaks {..} - = entry (text "breakpoints in source:") $ + = entry (text "breakpoints in source") $ assert (modBreaks_module == currentModule) $ assert (bounds modBreaks_locs_ == bounds modBreaks_decls) $ assert (bounds modBreaks_locs_ == bounds modBreaks_vars) $ @@ -315,7 +313,7 @@ pprBreakpointInSource :: BreakTickIndex -> [OccName] -> SDoc pprBreakpointInSource ix srcSpan declarationPath freeVars - = entry (text "breakpoint" <+> ppr ix <> text ":") $ + = entry (text "breakpoint" <+> ppr ix) $ vcat [ pprSrcSpan $ srcSpan, pprDeclarationPath $ declarationPath, @@ -324,20 +322,20 @@ pprBreakpointInSource ix srcSpan declarationPath freeVars -- | […] pprSrcSpan :: BinSrcSpan -> SDoc -pprSrcSpan = entry (text "source span:") . ppr . unBinSrcSpan +pprSrcSpan = entry (text "source span") . ppr . unBinSrcSpan -- | […] pprDeclarationPath :: [String] -> SDoc -pprDeclarationPath = entry (text "declaration path:") . hsep . map text +pprDeclarationPath = entry (text "declaration path") . vcatOrEmpty . map text -- | […] pprFreeVariables :: [OccName] -> SDoc -pprFreeVariables = entry (text "free variables:") . hsep . map ppr +pprFreeVariables = entry (text "free variables") . vcatOrNone . map ppr -- | […] pprBreakpointsInByteCode :: Module -> IntMap CgBreakInfo -> SDoc pprBreakpointsInByteCode currentModule - = entry (text "breakpoints in bytecode:") . + = entry (text "breakpoints in bytecode") . vcatOrNone . map (uncurry (pprBreakpointInByteCode currentModule)) . IntMap.toList @@ -345,7 +343,7 @@ pprBreakpointsInByteCode currentModule -- | […] pprBreakpointInByteCode :: Module -> Int -> CgBreakInfo -> SDoc pprBreakpointInByteCode currentModule ix CgBreakInfo {..} - = entry (text "breakpoint" <+> ppr ix <> text ":") $ + = entry (text "breakpoint" <+> ppr ix) $ vcat [ pprType $ cgb_resty, pprTypeVariables $ cgb_tyvars, @@ -361,12 +359,12 @@ pprBreakpointInByteCode currentModule ix CgBreakInfo {..} -- instance declaration of @XBreakpoint 'TickishPassStg@. pprType :: IfaceType -> SDoc -pprType = entry (text "type:") . ppr +pprType = entry (text "type") . ppr -- | […] pprTypeVariables :: [IfaceTvBndr] -> SDoc -pprTypeVariables = entry (text "type variables:") . - vcat . +pprTypeVariables = entry (text "type variables") . + vcat . map pprTypeVariableBinder -- | […] @@ -375,9 +373,7 @@ pprTypeVariableBinder (name, kind) = ppr name <+> text "::" <+> ppr kind -- | […] pprVariables :: [Maybe (IfaceIdBndr, Word)] -> SDoc -pprVariables = entry (text "variables:") . - vcat . - map pprVariable +pprVariables = entry (text "variables") . vcat . map pprVariable -- | […] pprVariable :: Maybe (IfaceIdBndr, Word) -> SDoc @@ -398,7 +394,7 @@ pprVariableBinder (multiplicity, name, type_) ppr name <+> text "::" <+> ppr type_ pprOrigin :: Module -> Either InternalBreakLoc BreakpointId -> SDoc -pprOrigin currentModule = entry (text "origin:") . +pprOrigin currentModule = entry (text "origin") . pprBreakpointID currentModule . either internalBreakLoc id @@ -406,7 +402,9 @@ pprOrigin currentModule = entry (text "origin:") . pprBreakpointID :: Module -> BreakpointId -> SDoc pprBreakpointID currentModule BreakpointId {..} | bi_tick_mod == currentModule = indexDoc - | otherwise = indexDoc <+> text "in" <+> ppr bi_tick_mod + | otherwise = indexDoc <+> + text "in" <+> + quotes (ppr bi_tick_mod) where indexDoc :: SDoc @@ -414,8 +412,8 @@ pprBreakpointID currentModule BreakpointId {..} -- | […] pprStaticPointerTableEntries :: [SptEntry] -> SDoc -pprStaticPointerTableEntries = entry (text "static-pointer table entries:") . - vcatOrNone . +pprStaticPointerTableEntries = entry (text "static-pointer table entries") . + vcatOrNone . map pprStaticPointerTableEntry -- | […] @@ -425,7 +423,7 @@ pprStaticPointerTableEntry (SptEntry name fingerprint) -- | […] pprHPCInfo :: Strict.Maybe ByteCodeHpcInfo -> SDoc -pprHPCInfo = entry (text "HPC information:") . +pprHPCInfo = entry (text "HPC information") . Strict.maybe (text "<none>") pprHPCInfoData -- | […] @@ -441,23 +439,23 @@ pprHPCInfoData ByteCodeHpcInfo {..} -- | […] pprHPCInfoHash :: Int -> SDoc -pprHPCInfoHash = entry (text "hash:") . pprFixedSizeNatural +pprHPCInfoHash = entry (text "hash") . pprFixedSizeNatural -- | […] pprModuleName :: ShortByteString -> SDoc -pprModuleName = entry (text "module name:") . - text . +pprModuleName = entry (text "module name") . + text . utf8DecodeShortByteString -- | […] pprTickBoxName :: ShortByteString -> SDoc -pprTickBoxName = entry (text "tick box name:") . - text . +pprTickBoxName = entry (text "tick box name") . + text . utf8DecodeShortByteString -- | […] pprTickCount :: Int -> SDoc -pprTickCount = entry (text "number of ticks:") . ppr +pprTickCount = entry (text "number of ticks") . ppr -- | […] pprFixedSizeNatural :: (Integral a, FiniteBits a) => a -> SDoc @@ -477,9 +475,14 @@ noOrYes bool = text (if bool then "yes" else "no") -- | […] entry :: SDoc -> SDoc -> SDoc -entry title content = hang title 2 content +entry title content = hang (title <> text ":") 2 content -- | […] vcatOrNone :: [SDoc] -> SDoc vcatOrNone [] = text "<none>" vcatOrNone docs = vcat docs + +-- | […] +vcatOrEmpty :: [SDoc] -> SDoc +vcatOrEmpty [] = text "<empty>" +vcatOrEmpty docs = vcat docs View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/326218284b4f78460697fd7db33036… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/326218284b4f78460697fd7db33036… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/TTG-No-Orphans] First pass of orphan instance removal.
by recursion-ninja (＠recursion-ninja) 11 Jul '26

11 Jul '26

recursion-ninja pushed to branch wip/TTG-No-Orphans at Glasgow Haskell Compiler / GHC Commits: 42ace72d by Recursion Ninja at 2026-07-10T14:16:43-04:00 First pass of orphan instance removal. This is part of a technical debt removal effort made possible now that seperating out the AST via TTG comes to a close. As the AST in 'L.H.S' has been incrementally separated from the GHC internals, there are many accumulated orphan instance of 'Binary', 'Outputable', 'Uniquable', etc. The orphan instance of data-types from within 'L.H.S' are having thier orphan instances moved to the module which defined the type-class; i.e. moving an orphan 'Binary' instance to 'GHC.Utils.Binary'. Orphan instances resolved (39): | Data-type | Resolved instance(s) | Former orphan module(s) | | -------------------- | -------------------------- | ------------------------- | | Role | Binary, NFData, Outputable | GHC.Core.Coercion.Axiom | | SrcStrictness | Binary, NFData, Outputable | GHC.Core.DataCon | | SrcUnpackedness | Binary, NFData, Outputable | GHC.Core.DataCon | | Fixity | Binary, Outputable | GHC.Hs.Basic | | FixityDirection | Binary, Outputable | GHC.Hs.Basic | | LexicalFixity | Outputable | GHC.Hs.Basic | | CCallTarget | NFData | GHC.Hs.Decls.Foreign | | CType | NFData | GHC.Hs.Decls.Foreign | | Header | NFData | GHC.Hs.Decls.Foreign | | OverlapMode | Binary, NFData | GHC.Hs.Decls.Overlap | | WithHsDocIdentifiers | NFData, Outputable | GHC.Hs.Doc | | HsDocString | NFData, Show | GHC.Hs.DocString | | HsDocStringChunk | Binary, Outputable | GHC.Hs.DocString | | HsDocStringDecorator | Binary, Outputable | GHC.Hs.DocString | | IEWrappedName | Outputable | GHC.Hs.ImpExp | | NamespaceSpecifier | Outputable | GHC.Hs.ImpExp | | ForAllTyFlag | Binary, NFData, Outputable | GHC.Hs.Specificity | | Specificity | Binary, NFData | GHC.Hs.Specificity | | PromotionFlag | Binary, Outputable | GHC.Types.Basic | | FieldLabelString | Outputable, Uniquable | GHC.Types.FieldLabel | | InlinePragma | Binary | GHC.Types.InlinePragma | ------------------------- Metric Decrease: hard_hole_fits ------------------------- Closes #21262, #27469 Reverting 'Show' instances - - - - - 26 changed files: - compiler/GHC/Core/Coercion/Axiom.hs - compiler/GHC/Core/DataCon.hs - compiler/GHC/Hs/Basic.hs - compiler/GHC/Hs/Decls/Overlap.hs - compiler/GHC/Hs/Doc.hs - compiler/GHC/Hs/DocString.hs - compiler/GHC/Hs/ImpExp.hs - − compiler/GHC/Hs/Specificity.hs - compiler/GHC/Parser/PostProcess.hs - compiler/GHC/Types/Basic.hs - compiler/GHC/Types/FieldLabel.hs - compiler/GHC/Types/Fixity.hs - compiler/GHC/Types/ForeignCall.hs - compiler/GHC/Types/InlinePragma.hs - compiler/GHC/Types/Unique.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Utils/Binary.hs - compiler/GHC/Utils/Outputable.hs - compiler/Language/Haskell/Syntax/Basic.hs - compiler/Language/Haskell/Syntax/Decls/Foreign.hs - compiler/Language/Haskell/Syntax/Doc.hs - compiler/Language/Haskell/Syntax/Extension.hs - compiler/Language/Haskell/Syntax/ImpExp.hs - compiler/Language/Haskell/Syntax/Specificity.hs - compiler/ghc.cabal.in - testsuite/tests/count-deps/CountDepsParser.stdout Changes: ===================================== compiler/GHC/Core/Coercion/Axiom.hs ===================================== @@ -1,5 +1,3 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable - -- (c) The University of Glasgow 2012 -- | Module for coercion axioms, used to represent type family instances @@ -22,7 +20,7 @@ module GHC.Core.Coercion.Axiom ( coAxBranchLHS, coAxBranchRHS, coAxBranchSpan, coAxBranchIncomps, placeHolderIncomps, - Role(..), fsFromRole, + Role(..), CoAxiomRule(..), BuiltInFamRewrite(..), BuiltInFamInjectivity(..), TypeEqn, coAxiomRuleArgRoles, coAxiomRuleRole, @@ -43,7 +41,6 @@ import GHC.Types.Name import GHC.Types.Unique import GHC.Types.Var import GHC.Utils.Misc -import GHC.Utils.Binary import GHC.Utils.Panic import GHC.Data.Pair import GHC.Types.Basic @@ -52,7 +49,6 @@ import GHC.Types.SrcLoc import qualified Data.Data as Data import Data.Array import Data.List ( mapAccumL ) -import Control.DeepSeq {- Note [Coercion axiom branches] @@ -521,44 +517,6 @@ instance Outputable CoAxBranch where , ppUnless (null incomps) $ text "incomps:" <+> vcat (map ppr incomps) ]) -{- -************************************************************************ -* * - Roles -* * -************************************************************************ - -Roles are defined here to avoid circular dependencies. --} - --- These names are slurped into the parser code. Changing these strings --- will change the **surface syntax** that GHC accepts! If you want to --- change only the pretty-printing, do some replumbing. See --- mkRoleAnnotDecl in GHC.Parser.PostProcess -fsFromRole :: Role -> FastString -fsFromRole Nominal = fsLit "nominal" -fsFromRole Representational = fsLit "representational" -fsFromRole Phantom = fsLit "phantom" - -instance Outputable Role where - ppr = ftext . fsFromRole - -instance Binary Role where - put_ bh Nominal = putByte bh 1 - put_ bh Representational = putByte bh 2 - put_ bh Phantom = putByte bh 3 - - get bh = do tag <- getByte bh - case tag of 1 -> return Nominal - 2 -> return Representational - 3 -> return Phantom - _ -> panic ("get Role " ++ show tag) - -instance NFData Role where - rnf Nominal = () - rnf Representational = () - rnf Phantom = () - {- ************************************************************************ * * ===================================== compiler/GHC/Core/DataCon.hs ===================================== @@ -5,8 +5,6 @@ \section[DataCon]{@DataCon@: Data Constructors} -} -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable, Binary - module GHC.Core.DataCon ( -- * Main data types DataCon, DataConRep(..), @@ -109,7 +107,6 @@ import qualified Data.ByteString.Lazy as LBS import qualified Data.Data as Data import Data.Char import Data.List( find ) -import Control.DeepSeq {- Note [Data constructor representation] @@ -1030,16 +1027,6 @@ instance Outputable HsImplBang where ppr (HsUnpack (Just co)) = text "Unpacked" <> parens (ppr co) ppr (HsStrict b) = text "StrictNotUnpacked" <> parens (ppr b) -instance Outputable SrcStrictness where - ppr SrcLazy = char '~' - ppr SrcStrict = char '!' - ppr NoSrcStrict = empty - -instance Outputable SrcUnpackedness where - ppr SrcUnpack = text "{-# UNPACK #-}" - ppr SrcNoUnpack = text "{-# NOUNPACK #-}" - ppr NoSrcUnpack = empty - instance Outputable StrictnessMark where ppr MarkedStrict = text "!" ppr NotMarkedStrict = empty @@ -1054,40 +1041,6 @@ instance Binary StrictnessMark where 1 -> return MarkedStrict _ -> panic "Invalid binary format" -instance Binary SrcStrictness where - put_ bh SrcLazy = putByte bh 0 - put_ bh SrcStrict = putByte bh 1 - put_ bh NoSrcStrict = putByte bh 2 - - get bh = - do h <- getByte bh - case h of - 0 -> return SrcLazy - 1 -> return SrcStrict - _ -> return NoSrcStrict - -instance Binary SrcUnpackedness where - put_ bh SrcNoUnpack = putByte bh 0 - put_ bh SrcUnpack = putByte bh 1 - put_ bh NoSrcUnpack = putByte bh 2 - - get bh = - do h <- getByte bh - case h of - 0 -> return SrcNoUnpack - 1 -> return SrcUnpack - _ -> return NoSrcUnpack - -instance NFData SrcStrictness where - rnf SrcLazy = () - rnf SrcStrict = () - rnf NoSrcStrict = () - -instance NFData SrcUnpackedness where - rnf SrcNoUnpack = () - rnf SrcUnpack = () - rnf NoSrcUnpack = () - -- | Compare strictness annotations eqHsBang :: HsImplBang -> HsImplBang -> Bool eqHsBang HsLazy HsLazy = True ===================================== compiler/GHC/Hs/Basic.hs ===================================== @@ -1,52 +1,6 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable, Binary -{-# LANGUAGE TypeFamilies #-} - -- | Fixity module GHC.Hs.Basic ( module Language.Haskell.Syntax.Basic ) where -import GHC.Prelude - -import GHC.Utils.Outputable -import GHC.Utils.Binary - import Language.Haskell.Syntax.Basic - -instance Outputable LexicalFixity where - ppr Prefix = text "Prefix" - ppr Infix = text "Infix" - -instance Outputable FixityDirection where - ppr InfixL = text "infixl" - ppr InfixR = text "infixr" - ppr InfixN = text "infix" - -instance Outputable Fixity where - ppr (Fixity prec dir) = hcat [ppr dir, space, int prec] - - -instance Binary Fixity where - put_ bh (Fixity aa ab) = do - put_ bh aa - put_ bh ab - get bh = do - aa <- get bh - ab <- get bh - return (Fixity aa ab) - ------------------------- - -instance Binary FixityDirection where - put_ bh InfixL = - putByte bh 0 - put_ bh InfixR = - putByte bh 1 - put_ bh InfixN = - putByte bh 2 - get bh = do - h <- getByte bh - case h of - 0 -> return InfixL - 1 -> return InfixR - _ -> return InfixN ===================================== compiler/GHC/Hs/Decls/Overlap.hs ===================================== @@ -1,12 +1,7 @@ {-# LANGUAGE LambdaCase #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE UndecidableInstances #-} -- XOverlapMode, XXOverlapMode - -{-# OPTIONS_GHC -fno-warn-orphans #-} -{- Necessary for the following instances: - * (type class): Binary OverlapMode - * (type class): NFData OverlapMode --} +{-# OPTIONS_GHC -fno-warn-orphans #-} -- XOverlapMode, XXOverlapMode {- | Data-types describing the overlap annotations for instances as well as @@ -74,34 +69,6 @@ type instance XOverlapMode (GhcPass _) = SourceText type instance XXOverlapMode (GhcPass _) = DataConCantHappen -instance NFData (OverlapMode (GhcPass p)) where - rnf = \case - NoOverlap s -> rnf s - Overlappable s -> rnf s - Overlapping s -> rnf s - Overlaps s -> rnf s - Incoherent s -> rnf s - NonCanonical s -> rnf s - -instance Binary (OverlapMode (GhcPass p)) where - put_ bh = \case - NoOverlap s -> putByte bh 0 >> put_ bh s - Overlaps s -> putByte bh 1 >> put_ bh s - Incoherent s -> putByte bh 2 >> put_ bh s - Overlapping s -> putByte bh 3 >> put_ bh s - Overlappable s -> putByte bh 4 >> put_ bh s - NonCanonical s -> putByte bh 5 >> put_ bh s - - get bh = do - h <- getByte bh - case h of - 0 -> get bh >>= \s -> return $ NoOverlap s - 1 -> get bh >>= \s -> return $ Overlaps s - 2 -> get bh >>= \s -> return $ Incoherent s - 3 -> get bh >>= \s -> return $ Overlapping s - 4 -> get bh >>= \s -> return $ Overlappable s - _ -> get bh >>= \s -> return $ NonCanonical s - pprSafeOverlap :: Bool -> SDoc pprSafeOverlap True = text "[safe]" pprSafeOverlap False = empty ===================================== compiler/GHC/Hs/Doc.hs ===================================== @@ -63,16 +63,6 @@ type instance Anno (WithHsDocIdentifiers (HsDocString (GhcPass pass)) (GhcPass p deriving instance (Data pass, Data (LIdP pass), Data a) => Data (WithHsDocIdentifiers a pass) deriving instance (Eq (LIdP pass), Eq a) => Eq (WithHsDocIdentifiers a pass) -instance (UnXRec pass, NFData (IdP pass), NFData a) => NFData (WithHsDocIdentifiers a pass) where - rnf (WithHsDocIdentifiers d i) = rnf d `seq` rnf (map (unXRec @pass) i) - --- | For compatibility with the existing @-ddump-parsed' output, we only show --- the docstring. --- --- Use 'pprHsDoc' to show `HsDoc`'s internals. -instance Outputable a => Outputable (WithHsDocIdentifiers a pass) where - ppr (WithHsDocIdentifiers s _ids) = ppr s - instance Binary a => Binary (WithHsDocIdentifiers a GhcRn) where put_ bh (WithHsDocIdentifiers s ids) = do put_ bh s ===================================== compiler/GHC/Hs/DocString.hs ===================================== @@ -5,6 +5,8 @@ {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE UndecidableInstances #-} {-# OPTIONS_GHC -Wno-orphans #-} +-- Binary HsDocString +-- Outputable HsDocString module GHC.Hs.DocString ( LHsDocString @@ -44,7 +46,6 @@ import GHC.Hs.Extension.Pass (GhcPass, GhcPs, GhcRn, GhcTc) import Language.Haskell.Syntax.Doc import Language.Haskell.Syntax.Extension -import Control.DeepSeq import Data.Data import Data.List.NonEmpty (NonEmpty(..)) import Data.List (intercalate) @@ -68,25 +69,9 @@ instance (Eq (LHsDocStringChunk pass), XXHsDocString pass ~ DataConCantHappen) = GeneratedDocString _ x == GeneratedDocString _ x' = x == x' _ == _ = False -instance (Show (LHsDocStringChunk pass), XXHsDocString pass ~ DataConCantHappen) => Show (HsDocString pass) where - showsPrec d (MultiLineDocString _ dec xs) = - showParen (d > 10) $ - showString "MultiLineDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 xs - showsPrec d (NestedDocString _ dec x) = - showParen (d > 10) $ - showString "NestedDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 x - showsPrec d (GeneratedDocString _ x) = - showParen (d > 10) $ - showString "GeneratedDocString " . showsPrec 11 x - instance Outputable (HsDocString (GhcPass p)) where ppr = text . renderHsDocString -instance NFData (HsDocString (GhcPass p)) where - rnf (MultiLineDocString _ a b) = rnf a `seq` rnf b - rnf (NestedDocString _ a b) = rnf a `seq` rnf b - rnf (GeneratedDocString _ a) = rnf a - -- | Annotate a pretty printed thing with its doc. -- The docstring comes after if it is 'HsDocStringPrevious'. -- Otherwise it comes before. @@ -120,37 +105,12 @@ instance Binary (HsDocString (GhcPass p)) where 2 -> GeneratedDocString noExtField <$> get bh t -> fail $ "HsDocString: invalid tag " ++ show t -instance Outputable HsDocStringDecorator where - ppr = text . printDecorator - printDecorator :: HsDocStringDecorator -> String printDecorator HsDocStringNext = "|" printDecorator HsDocStringPrevious = "^" printDecorator (HsDocStringNamed n) = '$':n printDecorator (HsDocStringGroup n) = replicate n '*' -instance Binary HsDocStringDecorator where - put_ bh x = case x of - HsDocStringNext -> putByte bh 0 - HsDocStringPrevious -> putByte bh 1 - HsDocStringNamed n -> putByte bh 2 >> put_ bh n - HsDocStringGroup n -> putByte bh 3 >> put_ bh n - get bh = do - tag <- getByte bh - case tag of - 0 -> pure HsDocStringNext - 1 -> pure HsDocStringPrevious - 2 -> HsDocStringNamed <$> get bh - 3 -> HsDocStringGroup <$> get bh - t -> fail $ "HsDocStringDecorator: invalid tag " ++ show t - -instance Binary HsDocStringChunk where - put_ bh (HsDocStringChunk bs) = put_ bh bs - get bh = HsDocStringChunk <$> get bh - -instance Outputable HsDocStringChunk where - ppr = text . unpackHDSC - mkGeneratedHsDocStringGhc :: String -> HsDocString (GhcPass p) mkGeneratedHsDocStringGhc = mkGeneratedHsDocString noExtField . mkHsDocStringChunk ===================================== compiler/GHC/Hs/ImpExp.hs ===================================== @@ -447,8 +447,3 @@ coveredByNamespaceSpecifier DataNamespaceSpecifier{} = isValNameSpace filterByNamespaceSpecifierGREs :: NamespaceSpecifier (GhcPass p) -> [GlobalRdrElt] -> [GlobalRdrElt] filterByNamespaceSpecifierGREs NoNamespaceSpecifier{} = id filterByNamespaceSpecifierGREs ns_spec = filterByNamespaceGREs (coveredByNamespaceSpecifier ns_spec) - -instance Outputable (NamespaceSpecifier (GhcPass p)) where - ppr NoNamespaceSpecifier{} = empty - ppr TypeNamespaceSpecifier{} = text "type" - ppr DataNamespaceSpecifier{} = text "data" ===================================== compiler/GHC/Hs/Specificity.hs deleted ===================================== @@ -1,51 +0,0 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -module GHC.Hs.Specificity where - -import Prelude -import Control.DeepSeq (NFData(..)) - -import GHC.Utils.Outputable -import GHC.Utils.Binary - -import Language.Haskell.Syntax.Specificity - -{- ********************************************************************* -* * -* ForAllTyFlag -* * -********************************************************************* -} - -instance Outputable ForAllTyFlag where - ppr Required = text "[req]" - ppr Specified = text "[spec]" - ppr Inferred = text "[infrd]" - -instance Binary Specificity where - put_ bh SpecifiedSpec = putByte bh 0 - put_ bh InferredSpec = putByte bh 1 - - get bh = do - h <- getByte bh - case h of - 0 -> return SpecifiedSpec - _ -> return InferredSpec - -instance Binary ForAllTyFlag where - put_ bh Required = putByte bh 0 - put_ bh Specified = putByte bh 1 - put_ bh Inferred = putByte bh 2 - - get bh = do - h <- getByte bh - case h of - 0 -> return Required - 1 -> return Specified - _ -> return Inferred - -instance NFData Specificity where - rnf SpecifiedSpec = () - rnf InferredSpec = () -instance NFData ForAllTyFlag where - rnf (Invisible spec) = rnf spec - rnf Required = () - ===================================== compiler/GHC/Parser/PostProcess.hs ===================================== @@ -136,7 +136,6 @@ import GHC.Hs -- Lots of it import GHC.Core.TyCon ( TyCon, isTupleTyCon, tyConSingleDataCon_maybe ) import GHC.Core.DataCon ( DataCon, dataConTyCon, dataConName ) import GHC.Core.ConLike ( ConLike(..) ) -import GHC.Core.Coercion.Axiom ( fsFromRole ) import GHC.Types.Name.Reader import GHC.Types.Name import GHC.Types.Basic @@ -424,7 +423,7 @@ mkRoleAnnotDecl loc tycon roles anns where role_data_type = dataTypeOf (undefined :: Role) all_roles = map fromConstr $ dataTypeConstrs role_data_type - possible_roles = [(fsFromRole role, role) | role <- all_roles] + possible_roles = [(strFromRole role, role) | role <- all_roles] parse_role (L loc_role Nothing) = return $ L (noAnnSrcSpan loc_role) Nothing parse_role (L loc_role (Just role)) ===================================== compiler/GHC/Types/Basic.hs ===================================== @@ -14,14 +14,6 @@ types that \end{itemize} -} -{-# OPTIONS_GHC -Wno-orphans #-} -{- -Above flag is necessary for these instances: - * Binary Boxity - * Binary PromotionFlag - * Outputable Boxity - * Outputable PromotionFlag --} {-# LANGUAGE DerivingVia #-} module GHC.Types.Basic ( @@ -377,27 +369,6 @@ unSwap NotSwapped f a b = f a b unSwap IsSwapped f a b = f b a -{- ********************************************************************* -* * - Promotion flag -* * -********************************************************************* -} - -instance Outputable PromotionFlag where - ppr NotPromoted = text "NotPromoted" - ppr IsPromoted = text "IsPromoted" - -instance Binary PromotionFlag where - put_ bh NotPromoted = putByte bh 0 - put_ bh IsPromoted = putByte bh 1 - - get bh = do - n <- getByte bh - case n of - 0 -> return NotPromoted - 1 -> return IsPromoted - _ -> fail "Binary(IsPromoted): fail)" - {- ************************************************************************ * * ===================================== compiler/GHC/Types/FieldLabel.hs ===================================== @@ -1,5 +1,4 @@ {-# LANGUAGE UndecidableInstances #-} -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable FieldLabelString {- % @@ -48,7 +47,6 @@ import GHC.Prelude import {-# SOURCE #-} GHC.Types.Name -import GHC.Types.Unique (Uniquable(..)) import GHC.Utils.Outputable import GHC.Utils.Binary import GHC.Data.FastString @@ -89,12 +87,6 @@ instance Outputable FieldLabel where <> ppr (flHasDuplicateRecordFields fl) <> ppr (flHasFieldSelector fl)) -instance Outputable FieldLabelString where - ppr (FieldLabelString l) = ppr l - -instance Uniquable FieldLabelString where - getUnique (FieldLabelString fs) = getUnique (mkFastStringShortText fs) - -- | Flag to indicate whether the DuplicateRecordFields extension is enabled. data DuplicateRecordFields = DuplicateRecordFields -- ^ Fields may be duplicated in a single module ===================================== compiler/GHC/Types/Fixity.hs ===================================== @@ -1,5 +1,3 @@ -{-# OPTIONS_GHC -Wno-dodgy-exports #-} -- For re-export of GHC.Hs.Basic instances - -- | Fixity module GHC.Types.Fixity ( Fixity (..) @@ -11,14 +9,12 @@ module GHC.Types.Fixity , negateFixity , funTyFixity , compareFixity - , module GHC.Hs.Basic ) where import GHC.Prelude import Language.Haskell.Syntax.Basic (LexicalFixity(..), FixityDirection(..), Fixity(..) ) -import GHC.Hs.Basic () -- For instances only ------------------------ ===================================== compiler/GHC/Types/ForeignCall.hs ===================================== @@ -319,13 +319,6 @@ type instance XXHeader (GhcPass p) = DataConCantHappen deriving instance Eq (Header (GhcPass p)) -instance NFData (CType (GhcPass p)) where - rnf (CType ext mh fs) = - rnf ext `seq` rnf mh `seq` rnf fs - -instance NFData (Header (GhcPass p)) where - rnf (Header s h) = - rnf s `seq` rnf h instance NFData CCallStaticTargetUnit where rnf = \case @@ -388,14 +381,6 @@ instance forall p. IsPass p => Eq (CCallTarget (GhcPass p)) where GhcTc -> x1 == x2 _ -> False -instance forall p. IsPass p => NFData (CCallTarget (GhcPass p)) where - rnf = \case - DynamicTarget NoExtField -> () - StaticTarget x a b -> rnf a `seq` rnf b `seq` case ghcPass @p of - GhcPs -> rnf x - GhcRn -> rnf x - GhcTc -> rnf x - instance forall p. IsPass p => Binary (CCallTarget (GhcPass p)) where put_ bh = \case StaticTarget x a b -> do ===================================== compiler/GHC/Types/InlinePragma.hs ===================================== @@ -9,16 +9,8 @@ -} {-# OPTIONS_GHC -Wno-orphans #-} -{- -Suppression of warnings are required for instances: - - Binary Activation - - Binary CompilerPhase - - Binary InlinePragma - - Binary InlineSaturation - - Binary XActivation - - Binary XInlinePragmaGhc - - Outputable CompilerPhase --} +-- Required for TTG type-family definitions, +-- There are no orphan type-class instances module GHC.Types.InlinePragma ( -- * Inline Pragma Encoding @@ -494,10 +486,6 @@ no harm. always returns 'False' when its second argument is 'NeverActive'. -} -{- TODO: These orphan instance should be moved to the GHC.Utils.{Binary,Outputable} -modules once TTG has progressed and the Language.Haskell.Syntax.Types module -no longer depends on importing GHC.Hs.Doc. --} instance Binary XInlinePragmaGhc where put_ bh (XInlinePragmaGhc s a) = do put_ bh s @@ -508,26 +496,6 @@ instance Binary XInlinePragmaGhc where a <- get bh return (XInlinePragmaGhc s a) -instance forall p. IsPass p => Binary (InlinePragma (GhcPass p)) where - put_ bh (InlinePragma s a b c) = do - put_ bh a - put_ bh b - put_ bh c - case ghcPass @p of - GhcPs -> put_ bh s - GhcRn -> put_ bh s - GhcTc -> put_ bh s - - get bh = do - a <- get bh - b <- get bh - c <- get bh - s <- case ghcPass @p of - GhcPs -> get bh - GhcRn -> get bh - GhcTc -> get bh - return (InlinePragma s a b c) - instance Binary InlineSaturation where put_ bh AnySaturation = putByte bh 0 put_ bh (AppliedToAtLeast w) = putByte bh 1 *> put_ bh w @@ -620,5 +588,24 @@ pprInline' emptyInline (InlinePragma AnySaturation -> empty AppliedToAtLeast ar -> parens (text "sat-args=" <> int ar) +{- TODO: This orphan instance should be moved to GHC.Utils.Outputable once that +module can import 'GhcPass' without causing an import cycle. +@ +┌──────▶ GHC.Utils.Outputable +│ │ +│ │ Needs to access GhcPass for instance: +│ │ Outputable (InlinePragma (GhcPass p)) +│ ▼ +│ GHC.Hs.Extension.GhcPass +│ │ +│ │ For GenLocated, SrcSpan, unLoc +│ ▼ +│ GHC.Types.SrcLoc +│ │ +│ │ for Outputable, SDoc, +│ │ pprFastFilePath, ppr combinators +└───────────────┘ +@ +-} instance forall p. IsPass p => Outputable (InlinePragma (GhcPass p)) where ppr = pprInline ===================================== compiler/GHC/Types/Unique.hs ===================================== @@ -68,7 +68,8 @@ import GHC.Exts (indexCharOffAddr#, Char(..), Int(..)) import GHC.Word ( Word64 ) import Data.Char ( chr, ord, isPrint ) -import Language.Haskell.Syntax.Module.Name +import Language.Haskell.Syntax.Basic ( FieldLabelString(..) ) +import Language.Haskell.Syntax.Module.Name ( ModuleName(..) ) {- ************************************************************************ @@ -419,6 +420,8 @@ instance Uniquable Word64 where instance Uniquable ModuleName where getUnique (ModuleName nm) = getUnique nm +instance Uniquable FieldLabelString where + getUnique (FieldLabelString fs) = getUnique (mkFastStringShortText fs) {- ************************************************************************ ===================================== compiler/GHC/Types/Var.hs ===================================== @@ -129,7 +129,6 @@ import GHC.Utils.Binary import GHC.Utils.Outputable import GHC.Utils.Panic -import GHC.Hs.Specificity () import Language.Haskell.Syntax.Specificity import Control.DeepSeq ===================================== compiler/GHC/Utils/Binary.hs ===================================== @@ -1,5 +1,8 @@ {-# LANGUAGE CPP #-} +{-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE MagicHash #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE UndecidableInstances #-} {-# LANGUAGE UnboxedTuples #-} {-# LANGUAGE DerivingVia #-} @@ -119,8 +122,13 @@ import GHC.Prelude import Language.Haskell.Syntax.Basic import Language.Haskell.Syntax.Binds.InlinePragma +import Language.Haskell.Syntax.Decls.Overlap +import Language.Haskell.Syntax.Doc +import Language.Haskell.Syntax.Extension import Language.Haskell.Syntax.Module.Name (ModuleName(..)) import Language.Haskell.Syntax.ImpExp.IsBoot (IsBootInterface(..)) +import Language.Haskell.Syntax.Specificity +import Language.Haskell.Syntax.Type (PromotionFlag(..)) import {-# SOURCE #-} GHC.Types.Name (Name) import GHC.Data.ShortText (ShortText) @@ -164,7 +172,7 @@ import qualified Data.Map.Strict as Map import Data.Proxy import Data.Set ( Set ) import qualified Data.Set as Set -import Data.Time +import Data.Time hiding ( Nominal ) import Data.List (unfoldr) import System.IO as IO import System.IO.Error ( mkIOError, eofErrorType ) @@ -1926,6 +1934,85 @@ instance Binary ModuleName where put_ bh (ModuleName fs) = put_ bh fs get bh = do fs <- get bh; return (ModuleName fs) +instance Binary Specificity where + put_ bh SpecifiedSpec = putByte bh 0 + put_ bh InferredSpec = putByte bh 1 + + get bh = do + h <- getByte bh + case h of + 0 -> return SpecifiedSpec + _ -> return InferredSpec + +instance Binary ForAllTyFlag where + put_ bh Required = putByte bh 0 + put_ bh Specified = putByte bh 1 + put_ bh Inferred = putByte bh 2 + + get bh = do + h <- getByte bh + case h of + 0 -> return Required + 1 -> return Specified + _ -> return Inferred + +instance Binary HsDocStringDecorator where + put_ bh x = case x of + HsDocStringNext -> putByte bh 0 + HsDocStringPrevious -> putByte bh 1 + HsDocStringNamed n -> putByte bh 2 >> put_ bh n + HsDocStringGroup n -> putByte bh 3 >> put_ bh n + + get bh = do + tag <- getByte bh + case tag of + 0 -> pure HsDocStringNext + 1 -> pure HsDocStringPrevious + 2 -> HsDocStringNamed <$> get bh + 3 -> HsDocStringGroup <$> get bh + t -> fail $ "HsDocStringDecorator: invalid tag " ++ show t + +instance Binary HsDocStringChunk where + put_ bh (HsDocStringChunk bs) = put_ bh bs + get bh = HsDocStringChunk <$> get bh + +instance ( Binary (XInlinePragma p) + , Binary (Activation p) + , XXInlinePragma p ~ DataConCantHappen + ) => Binary (InlinePragma p) where + put_ bh (InlinePragma s a b c) = do + put_ bh a + put_ bh b + put_ bh c + put_ bh s + + get bh = do + a <- get bh + b <- get bh + c <- get bh + s <- get bh + return (InlinePragma s a b c) + +instance ( Binary (XOverlapMode p) + , XXOverlapMode p ~ DataConCantHappen + ) => Binary (OverlapMode p) where + put_ bh (NoOverlap s) = putByte bh 0 >> put_ bh s + put_ bh (Overlaps s) = putByte bh 1 >> put_ bh s + put_ bh (Incoherent s) = putByte bh 2 >> put_ bh s + put_ bh (Overlapping s) = putByte bh 3 >> put_ bh s + put_ bh (Overlappable s) = putByte bh 4 >> put_ bh s + put_ bh (NonCanonical s) = putByte bh 5 >> put_ bh s + + get bh = do + h <- getByte bh + case h of + 0 -> get bh >>= \s -> return $ NoOverlap s + 1 -> get bh >>= \s -> return $ Overlaps s + 2 -> get bh >>= \s -> return $ Incoherent s + 3 -> get bh >>= \s -> return $ Overlapping s + 4 -> get bh >>= \s -> return $ Overlappable s + _ -> get bh >>= \s -> return $ NonCanonical s + newtype BinLocated a = BinLocated { unBinLocated :: Located a } instance Binary a => Binary (BinLocated a) where @@ -2087,6 +2174,26 @@ instance Binary Boxity where -- implemented via isBoxed-isomorphism to Bool b <- get bh pure $ if b then Boxed else Unboxed +instance Binary Fixity where + put_ bh (Fixity aa ab) = do + put_ bh aa + put_ bh ab + get bh = do + aa <- get bh + ab <- get bh + return (Fixity aa ab) + +instance Binary FixityDirection where + put_ bh InfixL = putByte bh 0 + put_ bh InfixR = putByte bh 1 + put_ bh InfixN = putByte bh 2 + get bh = do + h <- getByte bh + case h of + 0 -> return InfixL + 1 -> return InfixR + _ -> return InfixN + instance Binary ConInfoTable where get bh = Binary.decode <$> get bh @@ -2149,3 +2256,49 @@ instance Binary RuleMatchInfo where h <- getByte bh if h == 1 then pure ConLike else pure FunLike + +instance Binary Role where + put_ bh Nominal = putByte bh 1 + put_ bh Representational = putByte bh 2 + put_ bh Phantom = putByte bh 3 + + get bh = do tag <- getByte bh + case tag of 1 -> return Nominal + 2 -> return Representational + 3 -> return Phantom + _ -> panic ("get Role " ++ show tag) + +instance Binary SrcStrictness where + put_ bh SrcLazy = putByte bh 0 + put_ bh SrcStrict = putByte bh 1 + put_ bh NoSrcStrict = putByte bh 2 + + get bh = + do h <- getByte bh + case h of + 0 -> return SrcLazy + 1 -> return SrcStrict + _ -> return NoSrcStrict + +instance Binary SrcUnpackedness where + put_ bh SrcNoUnpack = putByte bh 0 + put_ bh SrcUnpack = putByte bh 1 + put_ bh NoSrcUnpack = putByte bh 2 + + get bh = + do h <- getByte bh + case h of + 0 -> return SrcNoUnpack + 1 -> return SrcUnpack + _ -> return NoSrcUnpack + +instance Binary PromotionFlag where + put_ bh NotPromoted = putByte bh 0 + put_ bh IsPromoted = putByte bh 1 + + get bh = do + n <- getByte bh + case n of + 0 -> return NotPromoted + 1 -> return IsPromoted + _ -> fail "Binary(IsPromoted): fail)" ===================================== compiler/GHC/Utils/Outputable.hs ===================================== @@ -115,12 +115,17 @@ import {-# SOURCE #-} GHC.Types.Name.Occurrence( OccName ) import Language.Haskell.Syntax.Basic import Language.Haskell.Syntax.Binds.InlinePragma import Language.Haskell.Syntax.Decls.Overlap ( OverlapMode(..) ) +import Language.Haskell.Syntax.Doc +import Language.Haskell.Syntax.ImpExp ( NamespaceSpecifier(..) ) import Language.Haskell.Syntax.Module.Name ( ModuleName(..) ) +import Language.Haskell.Syntax.Specificity import Language.Haskell.Syntax.Text +import Language.Haskell.Syntax.Type ( PromotionFlag(..) ) import GHC.Prelude.Basic import GHC.Utils.BufHandle (BufHandle, bPutChar, bPutStr, bPutFS, bPutFZS) +import GHC.Utils.Encoding ( utf8DecodeByteString ) import GHC.Data.FastString import qualified GHC.Utils.Ppr as Pretty import qualified GHC.Utils.Ppr.Colour as Col @@ -1108,6 +1113,28 @@ instance Outputable Extension where instance Outputable ModuleName where ppr = pprModuleName +instance Outputable FieldLabelString where + ppr (FieldLabelString l) = ppr l + +instance Outputable ForAllTyFlag where + ppr Required = text "[req]" + ppr Specified = text "[spec]" + ppr Inferred = text "[infrd]" + +instance Outputable HsDocStringDecorator where + ppr HsDocStringNext = text "|" + ppr HsDocStringPrevious = text "^" + ppr (HsDocStringNamed n) = char '$' <> text n + ppr (HsDocStringGroup n) = text (replicate n '*') + +instance Outputable HsDocStringChunk where + ppr (HsDocStringChunk bs) = text (utf8DecodeByteString bs) + +-- | For compatibility with the existing @-ddump-parsed@ output, we only show +-- the docstring. +instance Outputable a => Outputable (WithHsDocIdentifiers a pass) where + ppr (WithHsDocIdentifiers s _ids) = ppr s + instance Outputable OsPath where ppr p = text $ either show id (decodeUtf p) @@ -2039,6 +2066,35 @@ instance Outputable TopLevelFlag where ppr TopLevel = text "<TopLevel>" ppr NotTopLevel = text "<NotTopLevel>" +instance Outputable LexicalFixity where + ppr Prefix = text "Prefix" + ppr Infix = text "Infix" + +instance Outputable FixityDirection where + ppr InfixL = text "infixl" + ppr InfixR = text "infixr" + ppr InfixN = text "infix" + +instance Outputable Fixity where + ppr (Fixity prec dir) = hcat [ppr dir, space, int prec] + +instance Outputable SrcStrictness where + ppr SrcLazy = char '~' + ppr SrcStrict = char '!' + ppr NoSrcStrict = empty + +instance Outputable SrcUnpackedness where + ppr SrcUnpack = text "{-# UNPACK #-}" + ppr SrcNoUnpack = text "{-# NOUNPACK #-}" + ppr NoSrcUnpack = empty + +instance Outputable PromotionFlag where + ppr NotPromoted = text "NotPromoted" + ppr IsPromoted = text "IsPromoted" + +instance Outputable Role where + ppr = ftext . strFromRole + instance Outputable (OverlapMode p) where ppr (NoOverlap _) = empty ppr (Overlappable _) = text "[overlappable]" @@ -2047,3 +2103,9 @@ instance Outputable (OverlapMode p) where ppr (Incoherent _) = text "[incoherent]" ppr (NonCanonical _) = text "[noncanonical]" ppr (XOverlapMode _) = text "[user TTG extension]" + +instance Outputable (NamespaceSpecifier p) where + ppr NoNamespaceSpecifier{} = empty + ppr TypeNamespaceSpecifier{} = text "type" + ppr DataNamespaceSpecifier{} = text "data" + ppr (XNamespaceSpecifier _) = text "[user TTG extension]" ===================================== compiler/Language/Haskell/Syntax/Basic.hs ===================================== @@ -8,6 +8,7 @@ import Data.Data (Data) import Data.Eq import Data.Ord import Data.Bool +import Data.String (IsString(..)) import Prelude {- @@ -93,6 +94,20 @@ Field Labels data Role = Nominal | Representational | Phantom deriving (Eq, Ord, Data) +instance NFData Role where + rnf Nominal = () + rnf Representational = () + rnf Phantom = () + +-- These names are slurped into the parser code. Changing these strings +-- will change the **surface syntax** that GHC accepts! If you want to +-- change only the pretty-printing, do some replumbing. See +-- mkRoleAnnotDecl in GHC.Parser.PostProcess +strFromRole :: IsString s => Role -> s +strFromRole Nominal = fromString "nominal" +strFromRole Representational = fromString "representational" +strFromRole Phantom = fromString "phantom" + {- ************************************************************************ * * @@ -109,6 +124,11 @@ data SrcStrictness = SrcLazy -- ^ Lazy, ie '~' | NoSrcStrict -- ^ no strictness annotation deriving (Eq, Data) +instance NFData SrcStrictness where + rnf SrcLazy = () + rnf SrcStrict = () + rnf NoSrcStrict = () + -- | Source Unpackedness -- -- What unpackedness the user requested @@ -117,6 +137,11 @@ data SrcUnpackedness = SrcUnpack -- ^ {-# UNPACK #-} specified | NoSrcUnpack -- ^ no unpack pragma deriving (Eq, Data) +instance NFData SrcUnpackedness where + rnf SrcNoUnpack = () + rnf SrcUnpack = () + rnf NoSrcUnpack = () + {- ************************************************************************ * * ===================================== compiler/Language/Haskell/Syntax/Decls/Foreign.hs ===================================== @@ -74,7 +74,7 @@ import Control.DeepSeq import Data.Data hiding (TyCon, Fixity, Infix) import Data.Maybe import Data.Eq -import Prelude (Enum, Show) +import Prelude (Enum, Show, seq) {- ************************************************************************ @@ -211,6 +211,12 @@ data CCallTarget pass | DynamicTarget (XDynamicTarget pass) | XCCallTarget !(XXCCallTarget pass) +instance (NFData (XStaticTarget pass), NFData (XDynamicTarget pass), NFData (XXCCallTarget pass)) + => NFData (CCallTarget pass) where + rnf (StaticTarget x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (DynamicTarget x) = rnf x + rnf (XCCallTarget x) = rnf x + data CExportSpec -- | foreign export ccall foo :: ty = CExportStatic @@ -228,6 +234,11 @@ data CType pass HText | XCType !(XXCType pass) +instance (NFData (XCType pass), NFData (Header pass), NFData (XXCType pass)) + => NFData (CType pass) where + rnf (CType ext mh fs) = rnf ext `seq` rnf mh `seq` rnf fs + rnf (XCType x) = rnf x + -- | The filename for a C header file data Header pass = Header @@ -235,6 +246,10 @@ data Header pass HText | XHeader !(XXHeader pass) +instance (NFData (XHeader pass), NFData (XXHeader pass)) => NFData (Header pass) where + rnf (Header s h) = rnf s `seq` rnf h + rnf (XHeader x) = rnf x + data Safety = PlaySafe -- ^ Might invoke Haskell GC, or do a call back, or -- switch threads, etc. So make sure things are ===================================== compiler/Language/Haskell/Syntax/Doc.hs ===================================== @@ -65,6 +65,32 @@ data HsDocString pass | XHsDocString !(XXHsDocString pass) +instance + ( NFData (XMultiLineDocString pass) + , NFData (XNestedDocString pass) + , NFData (XGeneratedDocString pass) + , NFData (XXHsDocString pass) + , NFData (LHsDocStringChunk pass) + ) => NFData (HsDocString pass) where + rnf (MultiLineDocString x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (NestedDocString x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (GeneratedDocString x a) = rnf x `seq` rnf a + rnf (XHsDocString x) = rnf x + +instance (Show (LHsDocStringChunk pass), Show (XXHsDocString pass)) => Show (HsDocString pass) where + showsPrec d (MultiLineDocString _ dec xs) = + showParen (d > 10) $ + showString "MultiLineDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 xs + showsPrec d (NestedDocString _ dec x) = + showParen (d > 10) $ + showString "NestedDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 x + showsPrec d (GeneratedDocString _ x) = + showParen (d > 10) $ + showString "GeneratedDocString " . showsPrec 11 x + showsPrec d (XHsDocString x) = + showParen (d > 10) $ + showString "XHsDocString " . showsPrec 11 x + mkGeneratedHsDocString :: XGeneratedDocString p -> HsDocStringChunk -> HsDocString p mkGeneratedHsDocString x = GeneratedDocString x @@ -110,3 +136,6 @@ data WithHsDocIdentifiers a pass = WithHsDocIdentifiers { hsDocString :: !a , hsDocIdentifiers :: ![LIdP pass] } + +instance (UnXRec pass, NFData (IdP pass), NFData a) => NFData (WithHsDocIdentifiers a pass) where + rnf (WithHsDocIdentifiers d i) = rnf d `seq` rnf (map (unXRec @pass) i) ===================================== compiler/Language/Haskell/Syntax/Extension.hs ===================================== @@ -9,6 +9,7 @@ module Language.Haskell.Syntax.Extension where -- This module captures the type families to precisely identify the extension -- points for GHC.Hs syntax +import Control.DeepSeq import Data.Type.Equality (type (~)) import Data.Data hiding ( Fixity ) @@ -16,6 +17,7 @@ import Data.Kind (Type) import Data.Eq import Data.Ord +import Text.Show {- Note [Trees That Grow] @@ -62,6 +64,9 @@ See also Note [IsPass] and Note [NoGhcTc] in GHC.Hs.Extension. data NoExtField = NoExtField deriving (Data,Eq,Ord) +instance NFData NoExtField where + rnf NoExtField = () + -- | Used when constructing a term with an unused extension point. noExtField :: NoExtField noExtField = NoExtField @@ -95,7 +100,10 @@ can only do that if the extension field was strict (#18764). See also [DataConCantHappen and strict fields]. -} data DataConCantHappen - deriving (Data,Eq,Ord) + deriving (Data,Eq,Ord,Show) + +instance NFData DataConCantHappen where + rnf = dataConCantHappen -- | Eliminate a 'DataConCantHappen'. See Note [Constructor cannot occur]. dataConCantHappen :: DataConCantHappen -> a ===================================== compiler/Language/Haskell/Syntax/ImpExp.hs ===================================== @@ -1,4 +1,6 @@ {-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE UndecidableInstances #-} -- Wrinkle in Note [Trees That Grow] + -- in module Language.Haskell.Syntax.Extension module Language.Haskell.Syntax.ImpExp ( module Language.Haskell.Syntax.ImpExp, IsBootInterface(..) ) where import Language.Haskell.Syntax.Doc (LHsDoc) @@ -6,9 +8,9 @@ import Language.Haskell.Syntax.Extension import Language.Haskell.Syntax.Module.Name import Language.Haskell.Syntax.ImpExp.IsBoot ( IsBootInterface(..) ) -import Data.Eq (Eq) +import Data.Eq (Eq(..)) import Data.Data (Data) -import Data.Bool (Bool) +import Data.Bool (Bool(..)) import Data.Maybe (Maybe) import Data.String (String) import Data.Int (Int) ===================================== compiler/Language/Haskell/Syntax/Specificity.hs ===================================== @@ -14,6 +14,7 @@ module Language.Haskell.Syntax.Specificity ( import Prelude +import Control.DeepSeq (NFData(..)) import Data.Data -- | ForAllTyFlag @@ -27,6 +28,10 @@ data ForAllTyFlag = Invisible !Specificity deriving (Eq, Ord, Data) -- (<) on ForAllTyFlag means "is less visible than" +instance NFData ForAllTyFlag where + rnf (Invisible spec) = rnf spec + rnf Required = () + -- | Whether an 'Invisible' argument may appear in source Haskell. data Specificity = InferredSpec -- ^ the argument may not appear in source Haskell, it is @@ -36,6 +41,10 @@ data Specificity = InferredSpec -- required. deriving (Eq, Ord, Data) +instance NFData Specificity where + rnf SpecifiedSpec = () + rnf InferredSpec = () + pattern Inferred, Specified :: ForAllTyFlag pattern Inferred = Invisible InferredSpec pattern Specified = Invisible SpecifiedSpec ===================================== compiler/ghc.cabal.in ===================================== @@ -566,7 +566,6 @@ Library GHC.Hs.Instances GHC.Hs.Lit GHC.Hs.Pat - GHC.Hs.Specificity GHC.Hs.Stats GHC.HsToCore GHC.HsToCore.Arrows ===================================== testsuite/tests/count-deps/CountDepsParser.stdout ===================================== @@ -113,7 +113,6 @@ GHC.Hs.ImpExp GHC.Hs.Instances GHC.Hs.Lit GHC.Hs.Pat -GHC.Hs.Specificity GHC.Hs.Type GHC.Hs.Utils GHC.HsToCore.Errors.Types View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/42ace72d740cfb3824c9e7940b95abf… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/42ace72d740cfb3824c9e7940b95abf… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/TTG-No-Orphans] First pass of orphan instance removal.
by recursion-ninja (＠recursion-ninja) 11 Jul '26

11 Jul '26

recursion-ninja pushed to branch wip/TTG-No-Orphans at Glasgow Haskell Compiler / GHC Commits: 13b83052 by Recursion Ninja at 2026-07-10T14:05:05-04:00 First pass of orphan instance removal. This is part of a technical debt removal effort made possible now that seperating out the AST via TTG comes to a close. As the AST in 'L.H.S' has been incrementally separated from the GHC internals, there are many accumulated orphan instance of 'Binary', 'Outputable', 'Uniquable', etc. The orphan instance of data-types from within 'L.H.S' are having thier orphan instances moved to the module which defined the type-class; i.e. moving an orphan 'Binary' instance to 'GHC.Utils.Binary'. Orphan instances resolved (42): | Data-type | Resolved instance(s) | Former orphan module(s) | | -------------------- | -------------------------- | ------------------------- | | Role | Binary, NFData, Outputable | GHC.Core.Coercion.Axiom | | SrcStrictness | Binary, NFData, Outputable | GHC.Core.DataCon | | SrcUnpackedness | Binary, NFData, Outputable | GHC.Core.DataCon | | Fixity | Binary, Outputable | GHC.Hs.Basic | | FixityDirection | Binary, Outputable | GHC.Hs.Basic | | LexicalFixity | Outputable | GHC.Hs.Basic | | CCallTarget | NFData | GHC.Hs.Decls.Foreign | | CType | NFData | GHC.Hs.Decls.Foreign | | Header | NFData | GHC.Hs.Decls.Foreign | | OverlapMode | Binary, NFData | GHC.Hs.Decls.Overlap | | WithHsDocIdentifiers | NFData, Outputable | GHC.Hs.Doc | | HsDocString | NFData, Show | GHC.Hs.DocString | | HsDocStringChunk | Binary, Outputable | GHC.Hs.DocString | | HsDocStringDecorator | Binary, Outputable | GHC.Hs.DocString | | IEWrappedName | Outputable | GHC.Hs.ImpExp | | NamespaceSpecifier | Outputable | GHC.Hs.ImpExp | | FractionalLit | Show | GHC.Hs.Lit | | IntegralLit | Show | GHC.Hs.Lit | | StringLiteral | Show | GHC.Hs.Lit | | ForAllTyFlag | Binary, NFData, Outputable | GHC.Hs.Specificity | | Specificity | Binary, NFData | GHC.Hs.Specificity | | PromotionFlag | Binary, Outputable | GHC.Types.Basic | | FieldLabelString | Outputable, Uniquable | GHC.Types.FieldLabel | | InlinePragma | Binary | GHC.Types.InlinePragma | ------------------------- Metric Decrease: hard_hole_fits ------------------------- Closes #21262, #27469 - - - - - 28 changed files: - compiler/GHC/Core/Coercion/Axiom.hs - compiler/GHC/Core/DataCon.hs - compiler/GHC/Hs/Basic.hs - compiler/GHC/Hs/Decls/Overlap.hs - compiler/GHC/Hs/Doc.hs - compiler/GHC/Hs/DocString.hs - compiler/GHC/Hs/ImpExp.hs - compiler/GHC/Hs/Lit.hs - − compiler/GHC/Hs/Specificity.hs - compiler/GHC/Parser/PostProcess.hs - compiler/GHC/Types/Basic.hs - compiler/GHC/Types/FieldLabel.hs - compiler/GHC/Types/Fixity.hs - compiler/GHC/Types/ForeignCall.hs - compiler/GHC/Types/InlinePragma.hs - compiler/GHC/Types/Unique.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Utils/Binary.hs - compiler/GHC/Utils/Outputable.hs - compiler/Language/Haskell/Syntax/Basic.hs - compiler/Language/Haskell/Syntax/Decls/Foreign.hs - compiler/Language/Haskell/Syntax/Doc.hs - compiler/Language/Haskell/Syntax/Extension.hs - compiler/Language/Haskell/Syntax/ImpExp.hs - compiler/Language/Haskell/Syntax/Lit.hs - compiler/Language/Haskell/Syntax/Specificity.hs - compiler/ghc.cabal.in - testsuite/tests/count-deps/CountDepsParser.stdout Changes: ===================================== compiler/GHC/Core/Coercion/Axiom.hs ===================================== @@ -1,5 +1,3 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable - -- (c) The University of Glasgow 2012 -- | Module for coercion axioms, used to represent type family instances @@ -22,7 +20,7 @@ module GHC.Core.Coercion.Axiom ( coAxBranchLHS, coAxBranchRHS, coAxBranchSpan, coAxBranchIncomps, placeHolderIncomps, - Role(..), fsFromRole, + Role(..), CoAxiomRule(..), BuiltInFamRewrite(..), BuiltInFamInjectivity(..), TypeEqn, coAxiomRuleArgRoles, coAxiomRuleRole, @@ -43,7 +41,6 @@ import GHC.Types.Name import GHC.Types.Unique import GHC.Types.Var import GHC.Utils.Misc -import GHC.Utils.Binary import GHC.Utils.Panic import GHC.Data.Pair import GHC.Types.Basic @@ -52,7 +49,6 @@ import GHC.Types.SrcLoc import qualified Data.Data as Data import Data.Array import Data.List ( mapAccumL ) -import Control.DeepSeq {- Note [Coercion axiom branches] @@ -521,44 +517,6 @@ instance Outputable CoAxBranch where , ppUnless (null incomps) $ text "incomps:" <+> vcat (map ppr incomps) ]) -{- -************************************************************************ -* * - Roles -* * -************************************************************************ - -Roles are defined here to avoid circular dependencies. --} - --- These names are slurped into the parser code. Changing these strings --- will change the **surface syntax** that GHC accepts! If you want to --- change only the pretty-printing, do some replumbing. See --- mkRoleAnnotDecl in GHC.Parser.PostProcess -fsFromRole :: Role -> FastString -fsFromRole Nominal = fsLit "nominal" -fsFromRole Representational = fsLit "representational" -fsFromRole Phantom = fsLit "phantom" - -instance Outputable Role where - ppr = ftext . fsFromRole - -instance Binary Role where - put_ bh Nominal = putByte bh 1 - put_ bh Representational = putByte bh 2 - put_ bh Phantom = putByte bh 3 - - get bh = do tag <- getByte bh - case tag of 1 -> return Nominal - 2 -> return Representational - 3 -> return Phantom - _ -> panic ("get Role " ++ show tag) - -instance NFData Role where - rnf Nominal = () - rnf Representational = () - rnf Phantom = () - {- ************************************************************************ * * ===================================== compiler/GHC/Core/DataCon.hs ===================================== @@ -5,8 +5,6 @@ \section[DataCon]{@DataCon@: Data Constructors} -} -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable, Binary - module GHC.Core.DataCon ( -- * Main data types DataCon, DataConRep(..), @@ -109,7 +107,6 @@ import qualified Data.ByteString.Lazy as LBS import qualified Data.Data as Data import Data.Char import Data.List( find ) -import Control.DeepSeq {- Note [Data constructor representation] @@ -1030,16 +1027,6 @@ instance Outputable HsImplBang where ppr (HsUnpack (Just co)) = text "Unpacked" <> parens (ppr co) ppr (HsStrict b) = text "StrictNotUnpacked" <> parens (ppr b) -instance Outputable SrcStrictness where - ppr SrcLazy = char '~' - ppr SrcStrict = char '!' - ppr NoSrcStrict = empty - -instance Outputable SrcUnpackedness where - ppr SrcUnpack = text "{-# UNPACK #-}" - ppr SrcNoUnpack = text "{-# NOUNPACK #-}" - ppr NoSrcUnpack = empty - instance Outputable StrictnessMark where ppr MarkedStrict = text "!" ppr NotMarkedStrict = empty @@ -1054,40 +1041,6 @@ instance Binary StrictnessMark where 1 -> return MarkedStrict _ -> panic "Invalid binary format" -instance Binary SrcStrictness where - put_ bh SrcLazy = putByte bh 0 - put_ bh SrcStrict = putByte bh 1 - put_ bh NoSrcStrict = putByte bh 2 - - get bh = - do h <- getByte bh - case h of - 0 -> return SrcLazy - 1 -> return SrcStrict - _ -> return NoSrcStrict - -instance Binary SrcUnpackedness where - put_ bh SrcNoUnpack = putByte bh 0 - put_ bh SrcUnpack = putByte bh 1 - put_ bh NoSrcUnpack = putByte bh 2 - - get bh = - do h <- getByte bh - case h of - 0 -> return SrcNoUnpack - 1 -> return SrcUnpack - _ -> return NoSrcUnpack - -instance NFData SrcStrictness where - rnf SrcLazy = () - rnf SrcStrict = () - rnf NoSrcStrict = () - -instance NFData SrcUnpackedness where - rnf SrcNoUnpack = () - rnf SrcUnpack = () - rnf NoSrcUnpack = () - -- | Compare strictness annotations eqHsBang :: HsImplBang -> HsImplBang -> Bool eqHsBang HsLazy HsLazy = True ===================================== compiler/GHC/Hs/Basic.hs ===================================== @@ -1,52 +1,6 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable, Binary -{-# LANGUAGE TypeFamilies #-} - -- | Fixity module GHC.Hs.Basic ( module Language.Haskell.Syntax.Basic ) where -import GHC.Prelude - -import GHC.Utils.Outputable -import GHC.Utils.Binary - import Language.Haskell.Syntax.Basic - -instance Outputable LexicalFixity where - ppr Prefix = text "Prefix" - ppr Infix = text "Infix" - -instance Outputable FixityDirection where - ppr InfixL = text "infixl" - ppr InfixR = text "infixr" - ppr InfixN = text "infix" - -instance Outputable Fixity where - ppr (Fixity prec dir) = hcat [ppr dir, space, int prec] - - -instance Binary Fixity where - put_ bh (Fixity aa ab) = do - put_ bh aa - put_ bh ab - get bh = do - aa <- get bh - ab <- get bh - return (Fixity aa ab) - ------------------------- - -instance Binary FixityDirection where - put_ bh InfixL = - putByte bh 0 - put_ bh InfixR = - putByte bh 1 - put_ bh InfixN = - putByte bh 2 - get bh = do - h <- getByte bh - case h of - 0 -> return InfixL - 1 -> return InfixR - _ -> return InfixN ===================================== compiler/GHC/Hs/Decls/Overlap.hs ===================================== @@ -1,12 +1,7 @@ {-# LANGUAGE LambdaCase #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE UndecidableInstances #-} -- XOverlapMode, XXOverlapMode - -{-# OPTIONS_GHC -fno-warn-orphans #-} -{- Necessary for the following instances: - * (type class): Binary OverlapMode - * (type class): NFData OverlapMode --} +{-# OPTIONS_GHC -fno-warn-orphans #-} -- XOverlapMode, XXOverlapMode {- | Data-types describing the overlap annotations for instances as well as @@ -74,34 +69,6 @@ type instance XOverlapMode (GhcPass _) = SourceText type instance XXOverlapMode (GhcPass _) = DataConCantHappen -instance NFData (OverlapMode (GhcPass p)) where - rnf = \case - NoOverlap s -> rnf s - Overlappable s -> rnf s - Overlapping s -> rnf s - Overlaps s -> rnf s - Incoherent s -> rnf s - NonCanonical s -> rnf s - -instance Binary (OverlapMode (GhcPass p)) where - put_ bh = \case - NoOverlap s -> putByte bh 0 >> put_ bh s - Overlaps s -> putByte bh 1 >> put_ bh s - Incoherent s -> putByte bh 2 >> put_ bh s - Overlapping s -> putByte bh 3 >> put_ bh s - Overlappable s -> putByte bh 4 >> put_ bh s - NonCanonical s -> putByte bh 5 >> put_ bh s - - get bh = do - h <- getByte bh - case h of - 0 -> get bh >>= \s -> return $ NoOverlap s - 1 -> get bh >>= \s -> return $ Overlaps s - 2 -> get bh >>= \s -> return $ Incoherent s - 3 -> get bh >>= \s -> return $ Overlapping s - 4 -> get bh >>= \s -> return $ Overlappable s - _ -> get bh >>= \s -> return $ NonCanonical s - pprSafeOverlap :: Bool -> SDoc pprSafeOverlap True = text "[safe]" pprSafeOverlap False = empty ===================================== compiler/GHC/Hs/Doc.hs ===================================== @@ -63,16 +63,6 @@ type instance Anno (WithHsDocIdentifiers (HsDocString (GhcPass pass)) (GhcPass p deriving instance (Data pass, Data (LIdP pass), Data a) => Data (WithHsDocIdentifiers a pass) deriving instance (Eq (LIdP pass), Eq a) => Eq (WithHsDocIdentifiers a pass) -instance (UnXRec pass, NFData (IdP pass), NFData a) => NFData (WithHsDocIdentifiers a pass) where - rnf (WithHsDocIdentifiers d i) = rnf d `seq` rnf (map (unXRec @pass) i) - --- | For compatibility with the existing @-ddump-parsed' output, we only show --- the docstring. --- --- Use 'pprHsDoc' to show `HsDoc`'s internals. -instance Outputable a => Outputable (WithHsDocIdentifiers a pass) where - ppr (WithHsDocIdentifiers s _ids) = ppr s - instance Binary a => Binary (WithHsDocIdentifiers a GhcRn) where put_ bh (WithHsDocIdentifiers s ids) = do put_ bh s ===================================== compiler/GHC/Hs/DocString.hs ===================================== @@ -5,6 +5,8 @@ {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE UndecidableInstances #-} {-# OPTIONS_GHC -Wno-orphans #-} +-- Binary HsDocString +-- Outputable HsDocString module GHC.Hs.DocString ( LHsDocString @@ -44,7 +46,6 @@ import GHC.Hs.Extension.Pass (GhcPass, GhcPs, GhcRn, GhcTc) import Language.Haskell.Syntax.Doc import Language.Haskell.Syntax.Extension -import Control.DeepSeq import Data.Data import Data.List.NonEmpty (NonEmpty(..)) import Data.List (intercalate) @@ -68,25 +69,9 @@ instance (Eq (LHsDocStringChunk pass), XXHsDocString pass ~ DataConCantHappen) = GeneratedDocString _ x == GeneratedDocString _ x' = x == x' _ == _ = False -instance (Show (LHsDocStringChunk pass), XXHsDocString pass ~ DataConCantHappen) => Show (HsDocString pass) where - showsPrec d (MultiLineDocString _ dec xs) = - showParen (d > 10) $ - showString "MultiLineDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 xs - showsPrec d (NestedDocString _ dec x) = - showParen (d > 10) $ - showString "NestedDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 x - showsPrec d (GeneratedDocString _ x) = - showParen (d > 10) $ - showString "GeneratedDocString " . showsPrec 11 x - instance Outputable (HsDocString (GhcPass p)) where ppr = text . renderHsDocString -instance NFData (HsDocString (GhcPass p)) where - rnf (MultiLineDocString _ a b) = rnf a `seq` rnf b - rnf (NestedDocString _ a b) = rnf a `seq` rnf b - rnf (GeneratedDocString _ a) = rnf a - -- | Annotate a pretty printed thing with its doc. -- The docstring comes after if it is 'HsDocStringPrevious'. -- Otherwise it comes before. @@ -120,37 +105,12 @@ instance Binary (HsDocString (GhcPass p)) where 2 -> GeneratedDocString noExtField <$> get bh t -> fail $ "HsDocString: invalid tag " ++ show t -instance Outputable HsDocStringDecorator where - ppr = text . printDecorator - printDecorator :: HsDocStringDecorator -> String printDecorator HsDocStringNext = "|" printDecorator HsDocStringPrevious = "^" printDecorator (HsDocStringNamed n) = '$':n printDecorator (HsDocStringGroup n) = replicate n '*' -instance Binary HsDocStringDecorator where - put_ bh x = case x of - HsDocStringNext -> putByte bh 0 - HsDocStringPrevious -> putByte bh 1 - HsDocStringNamed n -> putByte bh 2 >> put_ bh n - HsDocStringGroup n -> putByte bh 3 >> put_ bh n - get bh = do - tag <- getByte bh - case tag of - 0 -> pure HsDocStringNext - 1 -> pure HsDocStringPrevious - 2 -> HsDocStringNamed <$> get bh - 3 -> HsDocStringGroup <$> get bh - t -> fail $ "HsDocStringDecorator: invalid tag " ++ show t - -instance Binary HsDocStringChunk where - put_ bh (HsDocStringChunk bs) = put_ bh bs - get bh = HsDocStringChunk <$> get bh - -instance Outputable HsDocStringChunk where - ppr = text . unpackHDSC - mkGeneratedHsDocStringGhc :: String -> HsDocString (GhcPass p) mkGeneratedHsDocStringGhc = mkGeneratedHsDocString noExtField . mkHsDocStringChunk ===================================== compiler/GHC/Hs/ImpExp.hs ===================================== @@ -447,8 +447,3 @@ coveredByNamespaceSpecifier DataNamespaceSpecifier{} = isValNameSpace filterByNamespaceSpecifierGREs :: NamespaceSpecifier (GhcPass p) -> [GlobalRdrElt] -> [GlobalRdrElt] filterByNamespaceSpecifierGREs NoNamespaceSpecifier{} = id filterByNamespaceSpecifierGREs ns_spec = filterByNamespaceGREs (coveredByNamespaceSpecifier ns_spec) - -instance Outputable (NamespaceSpecifier (GhcPass p)) where - ppr NoNamespaceSpecifier{} = empty - ppr TypeNamespaceSpecifier{} = text "type" - ppr DataNamespaceSpecifier{} = text "data" ===================================== compiler/GHC/Hs/Lit.hs ===================================== @@ -505,17 +505,6 @@ instance Outputable (FractionalLit (GhcPass p)) where rat = fl_signi * (base ^^ fl_exp) in pprWithSourceText fl_text $ rational rat --- The 'Show' instance is required for the derived --- 'GHC.Parser.Lexer.Token' instance when DEBUG is enabled. -instance Show (FractionalLit (GhcPass p)) where - show (FL{..}) = unwords - [ show fl_text - , show fl_neg - , show fl_signi - , show fl_exp - , show fl_exp_base - ] - mkFractionalLit :: SourceText -> Bool -> @@ -626,9 +615,6 @@ instance Outputable (IntegralLit (GhcPass p)) where ppr (IL (SourceText src) _ _) = ftext src ppr (IL NoSourceText _ value) = text (show value) -instance Show (IntegralLit (GhcPass p)) where - show (IL{..}) = unwords [ show il_text, show il_neg, show il_value ] - mkIntegralLit :: Integral a => a -> IntegralLit (GhcPass p) mkIntegralLit i = IL { il_text = SourceText (fsLit $ show i_integer) @@ -678,10 +664,6 @@ instance Eq (StringLiteral (GhcPass p)) where instance Outputable (StringLiteral (GhcPass p)) where ppr (StringLiteral{..}) = pprWithSourceText sl_src (doubleQuotes $ ppr sl_fs) --- The 'Show' instance is required the 'parsed' test case of GHC's test-suite. -instance Show (StringLiteral (GhcPass p)) where - show (StringLiteral srcTxt litFS) = unwords [ show srcTxt, show litFS ] - -- | Get the 'SourceText' of a 'StringLiteral' {-# INLINE stringLitSourceText #-} stringLitSourceText :: StringLiteral (GhcPass p) -> SourceText ===================================== compiler/GHC/Hs/Specificity.hs deleted ===================================== @@ -1,51 +0,0 @@ -{-# OPTIONS_GHC -Wno-orphans #-} -module GHC.Hs.Specificity where - -import Prelude -import Control.DeepSeq (NFData(..)) - -import GHC.Utils.Outputable -import GHC.Utils.Binary - -import Language.Haskell.Syntax.Specificity - -{- ********************************************************************* -* * -* ForAllTyFlag -* * -********************************************************************* -} - -instance Outputable ForAllTyFlag where - ppr Required = text "[req]" - ppr Specified = text "[spec]" - ppr Inferred = text "[infrd]" - -instance Binary Specificity where - put_ bh SpecifiedSpec = putByte bh 0 - put_ bh InferredSpec = putByte bh 1 - - get bh = do - h <- getByte bh - case h of - 0 -> return SpecifiedSpec - _ -> return InferredSpec - -instance Binary ForAllTyFlag where - put_ bh Required = putByte bh 0 - put_ bh Specified = putByte bh 1 - put_ bh Inferred = putByte bh 2 - - get bh = do - h <- getByte bh - case h of - 0 -> return Required - 1 -> return Specified - _ -> return Inferred - -instance NFData Specificity where - rnf SpecifiedSpec = () - rnf InferredSpec = () -instance NFData ForAllTyFlag where - rnf (Invisible spec) = rnf spec - rnf Required = () - ===================================== compiler/GHC/Parser/PostProcess.hs ===================================== @@ -136,7 +136,6 @@ import GHC.Hs -- Lots of it import GHC.Core.TyCon ( TyCon, isTupleTyCon, tyConSingleDataCon_maybe ) import GHC.Core.DataCon ( DataCon, dataConTyCon, dataConName ) import GHC.Core.ConLike ( ConLike(..) ) -import GHC.Core.Coercion.Axiom ( fsFromRole ) import GHC.Types.Name.Reader import GHC.Types.Name import GHC.Types.Basic @@ -424,7 +423,7 @@ mkRoleAnnotDecl loc tycon roles anns where role_data_type = dataTypeOf (undefined :: Role) all_roles = map fromConstr $ dataTypeConstrs role_data_type - possible_roles = [(fsFromRole role, role) | role <- all_roles] + possible_roles = [(strFromRole role, role) | role <- all_roles] parse_role (L loc_role Nothing) = return $ L (noAnnSrcSpan loc_role) Nothing parse_role (L loc_role (Just role)) ===================================== compiler/GHC/Types/Basic.hs ===================================== @@ -14,14 +14,6 @@ types that \end{itemize} -} -{-# OPTIONS_GHC -Wno-orphans #-} -{- -Above flag is necessary for these instances: - * Binary Boxity - * Binary PromotionFlag - * Outputable Boxity - * Outputable PromotionFlag --} {-# LANGUAGE DerivingVia #-} module GHC.Types.Basic ( @@ -377,27 +369,6 @@ unSwap NotSwapped f a b = f a b unSwap IsSwapped f a b = f b a -{- ********************************************************************* -* * - Promotion flag -* * -********************************************************************* -} - -instance Outputable PromotionFlag where - ppr NotPromoted = text "NotPromoted" - ppr IsPromoted = text "IsPromoted" - -instance Binary PromotionFlag where - put_ bh NotPromoted = putByte bh 0 - put_ bh IsPromoted = putByte bh 1 - - get bh = do - n <- getByte bh - case n of - 0 -> return NotPromoted - 1 -> return IsPromoted - _ -> fail "Binary(IsPromoted): fail)" - {- ************************************************************************ * * ===================================== compiler/GHC/Types/FieldLabel.hs ===================================== @@ -1,5 +1,4 @@ {-# LANGUAGE UndecidableInstances #-} -{-# OPTIONS_GHC -Wno-orphans #-} -- Outputable FieldLabelString {- % @@ -48,7 +47,6 @@ import GHC.Prelude import {-# SOURCE #-} GHC.Types.Name -import GHC.Types.Unique (Uniquable(..)) import GHC.Utils.Outputable import GHC.Utils.Binary import GHC.Data.FastString @@ -89,12 +87,6 @@ instance Outputable FieldLabel where <> ppr (flHasDuplicateRecordFields fl) <> ppr (flHasFieldSelector fl)) -instance Outputable FieldLabelString where - ppr (FieldLabelString l) = ppr l - -instance Uniquable FieldLabelString where - getUnique (FieldLabelString fs) = getUnique (mkFastStringShortText fs) - -- | Flag to indicate whether the DuplicateRecordFields extension is enabled. data DuplicateRecordFields = DuplicateRecordFields -- ^ Fields may be duplicated in a single module ===================================== compiler/GHC/Types/Fixity.hs ===================================== @@ -1,5 +1,3 @@ -{-# OPTIONS_GHC -Wno-dodgy-exports #-} -- For re-export of GHC.Hs.Basic instances - -- | Fixity module GHC.Types.Fixity ( Fixity (..) @@ -11,14 +9,12 @@ module GHC.Types.Fixity , negateFixity , funTyFixity , compareFixity - , module GHC.Hs.Basic ) where import GHC.Prelude import Language.Haskell.Syntax.Basic (LexicalFixity(..), FixityDirection(..), Fixity(..) ) -import GHC.Hs.Basic () -- For instances only ------------------------ ===================================== compiler/GHC/Types/ForeignCall.hs ===================================== @@ -319,13 +319,6 @@ type instance XXHeader (GhcPass p) = DataConCantHappen deriving instance Eq (Header (GhcPass p)) -instance NFData (CType (GhcPass p)) where - rnf (CType ext mh fs) = - rnf ext `seq` rnf mh `seq` rnf fs - -instance NFData (Header (GhcPass p)) where - rnf (Header s h) = - rnf s `seq` rnf h instance NFData CCallStaticTargetUnit where rnf = \case @@ -388,14 +381,6 @@ instance forall p. IsPass p => Eq (CCallTarget (GhcPass p)) where GhcTc -> x1 == x2 _ -> False -instance forall p. IsPass p => NFData (CCallTarget (GhcPass p)) where - rnf = \case - DynamicTarget NoExtField -> () - StaticTarget x a b -> rnf a `seq` rnf b `seq` case ghcPass @p of - GhcPs -> rnf x - GhcRn -> rnf x - GhcTc -> rnf x - instance forall p. IsPass p => Binary (CCallTarget (GhcPass p)) where put_ bh = \case StaticTarget x a b -> do ===================================== compiler/GHC/Types/InlinePragma.hs ===================================== @@ -9,16 +9,8 @@ -} {-# OPTIONS_GHC -Wno-orphans #-} -{- -Suppression of warnings are required for instances: - - Binary Activation - - Binary CompilerPhase - - Binary InlinePragma - - Binary InlineSaturation - - Binary XActivation - - Binary XInlinePragmaGhc - - Outputable CompilerPhase --} +-- Required for TTG type-family definitions, +-- There are no orphan type-class instances module GHC.Types.InlinePragma ( -- * Inline Pragma Encoding @@ -494,10 +486,6 @@ no harm. always returns 'False' when its second argument is 'NeverActive'. -} -{- TODO: These orphan instance should be moved to the GHC.Utils.{Binary,Outputable} -modules once TTG has progressed and the Language.Haskell.Syntax.Types module -no longer depends on importing GHC.Hs.Doc. --} instance Binary XInlinePragmaGhc where put_ bh (XInlinePragmaGhc s a) = do put_ bh s @@ -508,26 +496,6 @@ instance Binary XInlinePragmaGhc where a <- get bh return (XInlinePragmaGhc s a) -instance forall p. IsPass p => Binary (InlinePragma (GhcPass p)) where - put_ bh (InlinePragma s a b c) = do - put_ bh a - put_ bh b - put_ bh c - case ghcPass @p of - GhcPs -> put_ bh s - GhcRn -> put_ bh s - GhcTc -> put_ bh s - - get bh = do - a <- get bh - b <- get bh - c <- get bh - s <- case ghcPass @p of - GhcPs -> get bh - GhcRn -> get bh - GhcTc -> get bh - return (InlinePragma s a b c) - instance Binary InlineSaturation where put_ bh AnySaturation = putByte bh 0 put_ bh (AppliedToAtLeast w) = putByte bh 1 *> put_ bh w @@ -620,5 +588,24 @@ pprInline' emptyInline (InlinePragma AnySaturation -> empty AppliedToAtLeast ar -> parens (text "sat-args=" <> int ar) +{- TODO: This orphan instance should be moved to GHC.Utils.Outputable once that +module can import 'GhcPass' without causing an import cycle. +@ +┌──────▶ GHC.Utils.Outputable +│ │ +│ │ Needs to access GhcPass for instance: +│ │ Outputable (InlinePragma (GhcPass p)) +│ ▼ +│ GHC.Hs.Extension.GhcPass +│ │ +│ │ For GenLocated, SrcSpan, unLoc +│ ▼ +│ GHC.Types.SrcLoc +│ │ +│ │ for Outputable, SDoc, +│ │ pprFastFilePath, ppr combinators +└───────────────┘ +@ +-} instance forall p. IsPass p => Outputable (InlinePragma (GhcPass p)) where ppr = pprInline ===================================== compiler/GHC/Types/Unique.hs ===================================== @@ -68,7 +68,8 @@ import GHC.Exts (indexCharOffAddr#, Char(..), Int(..)) import GHC.Word ( Word64 ) import Data.Char ( chr, ord, isPrint ) -import Language.Haskell.Syntax.Module.Name +import Language.Haskell.Syntax.Basic ( FieldLabelString(..) ) +import Language.Haskell.Syntax.Module.Name ( ModuleName(..) ) {- ************************************************************************ @@ -419,6 +420,8 @@ instance Uniquable Word64 where instance Uniquable ModuleName where getUnique (ModuleName nm) = getUnique nm +instance Uniquable FieldLabelString where + getUnique (FieldLabelString fs) = getUnique (mkFastStringShortText fs) {- ************************************************************************ ===================================== compiler/GHC/Types/Var.hs ===================================== @@ -129,7 +129,6 @@ import GHC.Utils.Binary import GHC.Utils.Outputable import GHC.Utils.Panic -import GHC.Hs.Specificity () import Language.Haskell.Syntax.Specificity import Control.DeepSeq ===================================== compiler/GHC/Utils/Binary.hs ===================================== @@ -1,5 +1,8 @@ {-# LANGUAGE CPP #-} +{-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE MagicHash #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE UndecidableInstances #-} {-# LANGUAGE UnboxedTuples #-} {-# LANGUAGE DerivingVia #-} @@ -119,8 +122,13 @@ import GHC.Prelude import Language.Haskell.Syntax.Basic import Language.Haskell.Syntax.Binds.InlinePragma +import Language.Haskell.Syntax.Decls.Overlap +import Language.Haskell.Syntax.Doc +import Language.Haskell.Syntax.Extension import Language.Haskell.Syntax.Module.Name (ModuleName(..)) import Language.Haskell.Syntax.ImpExp.IsBoot (IsBootInterface(..)) +import Language.Haskell.Syntax.Specificity +import Language.Haskell.Syntax.Type (PromotionFlag(..)) import {-# SOURCE #-} GHC.Types.Name (Name) import GHC.Data.ShortText (ShortText) @@ -164,7 +172,7 @@ import qualified Data.Map.Strict as Map import Data.Proxy import Data.Set ( Set ) import qualified Data.Set as Set -import Data.Time +import Data.Time hiding ( Nominal ) import Data.List (unfoldr) import System.IO as IO import System.IO.Error ( mkIOError, eofErrorType ) @@ -1926,6 +1934,85 @@ instance Binary ModuleName where put_ bh (ModuleName fs) = put_ bh fs get bh = do fs <- get bh; return (ModuleName fs) +instance Binary Specificity where + put_ bh SpecifiedSpec = putByte bh 0 + put_ bh InferredSpec = putByte bh 1 + + get bh = do + h <- getByte bh + case h of + 0 -> return SpecifiedSpec + _ -> return InferredSpec + +instance Binary ForAllTyFlag where + put_ bh Required = putByte bh 0 + put_ bh Specified = putByte bh 1 + put_ bh Inferred = putByte bh 2 + + get bh = do + h <- getByte bh + case h of + 0 -> return Required + 1 -> return Specified + _ -> return Inferred + +instance Binary HsDocStringDecorator where + put_ bh x = case x of + HsDocStringNext -> putByte bh 0 + HsDocStringPrevious -> putByte bh 1 + HsDocStringNamed n -> putByte bh 2 >> put_ bh n + HsDocStringGroup n -> putByte bh 3 >> put_ bh n + + get bh = do + tag <- getByte bh + case tag of + 0 -> pure HsDocStringNext + 1 -> pure HsDocStringPrevious + 2 -> HsDocStringNamed <$> get bh + 3 -> HsDocStringGroup <$> get bh + t -> fail $ "HsDocStringDecorator: invalid tag " ++ show t + +instance Binary HsDocStringChunk where + put_ bh (HsDocStringChunk bs) = put_ bh bs + get bh = HsDocStringChunk <$> get bh + +instance ( Binary (XInlinePragma p) + , Binary (Activation p) + , XXInlinePragma p ~ DataConCantHappen + ) => Binary (InlinePragma p) where + put_ bh (InlinePragma s a b c) = do + put_ bh a + put_ bh b + put_ bh c + put_ bh s + + get bh = do + a <- get bh + b <- get bh + c <- get bh + s <- get bh + return (InlinePragma s a b c) + +instance ( Binary (XOverlapMode p) + , XXOverlapMode p ~ DataConCantHappen + ) => Binary (OverlapMode p) where + put_ bh (NoOverlap s) = putByte bh 0 >> put_ bh s + put_ bh (Overlaps s) = putByte bh 1 >> put_ bh s + put_ bh (Incoherent s) = putByte bh 2 >> put_ bh s + put_ bh (Overlapping s) = putByte bh 3 >> put_ bh s + put_ bh (Overlappable s) = putByte bh 4 >> put_ bh s + put_ bh (NonCanonical s) = putByte bh 5 >> put_ bh s + + get bh = do + h <- getByte bh + case h of + 0 -> get bh >>= \s -> return $ NoOverlap s + 1 -> get bh >>= \s -> return $ Overlaps s + 2 -> get bh >>= \s -> return $ Incoherent s + 3 -> get bh >>= \s -> return $ Overlapping s + 4 -> get bh >>= \s -> return $ Overlappable s + _ -> get bh >>= \s -> return $ NonCanonical s + newtype BinLocated a = BinLocated { unBinLocated :: Located a } instance Binary a => Binary (BinLocated a) where @@ -2087,6 +2174,26 @@ instance Binary Boxity where -- implemented via isBoxed-isomorphism to Bool b <- get bh pure $ if b then Boxed else Unboxed +instance Binary Fixity where + put_ bh (Fixity aa ab) = do + put_ bh aa + put_ bh ab + get bh = do + aa <- get bh + ab <- get bh + return (Fixity aa ab) + +instance Binary FixityDirection where + put_ bh InfixL = putByte bh 0 + put_ bh InfixR = putByte bh 1 + put_ bh InfixN = putByte bh 2 + get bh = do + h <- getByte bh + case h of + 0 -> return InfixL + 1 -> return InfixR + _ -> return InfixN + instance Binary ConInfoTable where get bh = Binary.decode <$> get bh @@ -2149,3 +2256,49 @@ instance Binary RuleMatchInfo where h <- getByte bh if h == 1 then pure ConLike else pure FunLike + +instance Binary Role where + put_ bh Nominal = putByte bh 1 + put_ bh Representational = putByte bh 2 + put_ bh Phantom = putByte bh 3 + + get bh = do tag <- getByte bh + case tag of 1 -> return Nominal + 2 -> return Representational + 3 -> return Phantom + _ -> panic ("get Role " ++ show tag) + +instance Binary SrcStrictness where + put_ bh SrcLazy = putByte bh 0 + put_ bh SrcStrict = putByte bh 1 + put_ bh NoSrcStrict = putByte bh 2 + + get bh = + do h <- getByte bh + case h of + 0 -> return SrcLazy + 1 -> return SrcStrict + _ -> return NoSrcStrict + +instance Binary SrcUnpackedness where + put_ bh SrcNoUnpack = putByte bh 0 + put_ bh SrcUnpack = putByte bh 1 + put_ bh NoSrcUnpack = putByte bh 2 + + get bh = + do h <- getByte bh + case h of + 0 -> return SrcNoUnpack + 1 -> return SrcUnpack + _ -> return NoSrcUnpack + +instance Binary PromotionFlag where + put_ bh NotPromoted = putByte bh 0 + put_ bh IsPromoted = putByte bh 1 + + get bh = do + n <- getByte bh + case n of + 0 -> return NotPromoted + 1 -> return IsPromoted + _ -> fail "Binary(IsPromoted): fail)" ===================================== compiler/GHC/Utils/Outputable.hs ===================================== @@ -115,12 +115,17 @@ import {-# SOURCE #-} GHC.Types.Name.Occurrence( OccName ) import Language.Haskell.Syntax.Basic import Language.Haskell.Syntax.Binds.InlinePragma import Language.Haskell.Syntax.Decls.Overlap ( OverlapMode(..) ) +import Language.Haskell.Syntax.Doc +import Language.Haskell.Syntax.ImpExp ( NamespaceSpecifier(..) ) import Language.Haskell.Syntax.Module.Name ( ModuleName(..) ) +import Language.Haskell.Syntax.Specificity import Language.Haskell.Syntax.Text +import Language.Haskell.Syntax.Type ( PromotionFlag(..) ) import GHC.Prelude.Basic import GHC.Utils.BufHandle (BufHandle, bPutChar, bPutStr, bPutFS, bPutFZS) +import GHC.Utils.Encoding ( utf8DecodeByteString ) import GHC.Data.FastString import qualified GHC.Utils.Ppr as Pretty import qualified GHC.Utils.Ppr.Colour as Col @@ -1108,6 +1113,28 @@ instance Outputable Extension where instance Outputable ModuleName where ppr = pprModuleName +instance Outputable FieldLabelString where + ppr (FieldLabelString l) = ppr l + +instance Outputable ForAllTyFlag where + ppr Required = text "[req]" + ppr Specified = text "[spec]" + ppr Inferred = text "[infrd]" + +instance Outputable HsDocStringDecorator where + ppr HsDocStringNext = text "|" + ppr HsDocStringPrevious = text "^" + ppr (HsDocStringNamed n) = char '$' <> text n + ppr (HsDocStringGroup n) = text (replicate n '*') + +instance Outputable HsDocStringChunk where + ppr (HsDocStringChunk bs) = text (utf8DecodeByteString bs) + +-- | For compatibility with the existing @-ddump-parsed@ output, we only show +-- the docstring. +instance Outputable a => Outputable (WithHsDocIdentifiers a pass) where + ppr (WithHsDocIdentifiers s _ids) = ppr s + instance Outputable OsPath where ppr p = text $ either show id (decodeUtf p) @@ -2039,6 +2066,35 @@ instance Outputable TopLevelFlag where ppr TopLevel = text "<TopLevel>" ppr NotTopLevel = text "<NotTopLevel>" +instance Outputable LexicalFixity where + ppr Prefix = text "Prefix" + ppr Infix = text "Infix" + +instance Outputable FixityDirection where + ppr InfixL = text "infixl" + ppr InfixR = text "infixr" + ppr InfixN = text "infix" + +instance Outputable Fixity where + ppr (Fixity prec dir) = hcat [ppr dir, space, int prec] + +instance Outputable SrcStrictness where + ppr SrcLazy = char '~' + ppr SrcStrict = char '!' + ppr NoSrcStrict = empty + +instance Outputable SrcUnpackedness where + ppr SrcUnpack = text "{-# UNPACK #-}" + ppr SrcNoUnpack = text "{-# NOUNPACK #-}" + ppr NoSrcUnpack = empty + +instance Outputable PromotionFlag where + ppr NotPromoted = text "NotPromoted" + ppr IsPromoted = text "IsPromoted" + +instance Outputable Role where + ppr = ftext . strFromRole + instance Outputable (OverlapMode p) where ppr (NoOverlap _) = empty ppr (Overlappable _) = text "[overlappable]" @@ -2047,3 +2103,9 @@ instance Outputable (OverlapMode p) where ppr (Incoherent _) = text "[incoherent]" ppr (NonCanonical _) = text "[noncanonical]" ppr (XOverlapMode _) = text "[user TTG extension]" + +instance Outputable (NamespaceSpecifier p) where + ppr NoNamespaceSpecifier{} = empty + ppr TypeNamespaceSpecifier{} = text "type" + ppr DataNamespaceSpecifier{} = text "data" + ppr (XNamespaceSpecifier _) = text "[user TTG extension]" ===================================== compiler/Language/Haskell/Syntax/Basic.hs ===================================== @@ -8,6 +8,7 @@ import Data.Data (Data) import Data.Eq import Data.Ord import Data.Bool +import Data.String (IsString(..)) import Prelude {- @@ -93,6 +94,20 @@ Field Labels data Role = Nominal | Representational | Phantom deriving (Eq, Ord, Data) +instance NFData Role where + rnf Nominal = () + rnf Representational = () + rnf Phantom = () + +-- These names are slurped into the parser code. Changing these strings +-- will change the **surface syntax** that GHC accepts! If you want to +-- change only the pretty-printing, do some replumbing. See +-- mkRoleAnnotDecl in GHC.Parser.PostProcess +strFromRole :: IsString s => Role -> s +strFromRole Nominal = fromString "nominal" +strFromRole Representational = fromString "representational" +strFromRole Phantom = fromString "phantom" + {- ************************************************************************ * * @@ -109,6 +124,11 @@ data SrcStrictness = SrcLazy -- ^ Lazy, ie '~' | NoSrcStrict -- ^ no strictness annotation deriving (Eq, Data) +instance NFData SrcStrictness where + rnf SrcLazy = () + rnf SrcStrict = () + rnf NoSrcStrict = () + -- | Source Unpackedness -- -- What unpackedness the user requested @@ -117,6 +137,11 @@ data SrcUnpackedness = SrcUnpack -- ^ {-# UNPACK #-} specified | NoSrcUnpack -- ^ no unpack pragma deriving (Eq, Data) +instance NFData SrcUnpackedness where + rnf SrcNoUnpack = () + rnf SrcUnpack = () + rnf NoSrcUnpack = () + {- ************************************************************************ * * ===================================== compiler/Language/Haskell/Syntax/Decls/Foreign.hs ===================================== @@ -74,7 +74,7 @@ import Control.DeepSeq import Data.Data hiding (TyCon, Fixity, Infix) import Data.Maybe import Data.Eq -import Prelude (Enum, Show) +import Prelude (Enum, Show, seq) {- ************************************************************************ @@ -211,6 +211,12 @@ data CCallTarget pass | DynamicTarget (XDynamicTarget pass) | XCCallTarget !(XXCCallTarget pass) +instance (NFData (XStaticTarget pass), NFData (XDynamicTarget pass), NFData (XXCCallTarget pass)) + => NFData (CCallTarget pass) where + rnf (StaticTarget x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (DynamicTarget x) = rnf x + rnf (XCCallTarget x) = rnf x + data CExportSpec -- | foreign export ccall foo :: ty = CExportStatic @@ -228,6 +234,11 @@ data CType pass HText | XCType !(XXCType pass) +instance (NFData (XCType pass), NFData (Header pass), NFData (XXCType pass)) + => NFData (CType pass) where + rnf (CType ext mh fs) = rnf ext `seq` rnf mh `seq` rnf fs + rnf (XCType x) = rnf x + -- | The filename for a C header file data Header pass = Header @@ -235,6 +246,10 @@ data Header pass HText | XHeader !(XXHeader pass) +instance (NFData (XHeader pass), NFData (XXHeader pass)) => NFData (Header pass) where + rnf (Header s h) = rnf s `seq` rnf h + rnf (XHeader x) = rnf x + data Safety = PlaySafe -- ^ Might invoke Haskell GC, or do a call back, or -- switch threads, etc. So make sure things are ===================================== compiler/Language/Haskell/Syntax/Doc.hs ===================================== @@ -65,6 +65,32 @@ data HsDocString pass | XHsDocString !(XXHsDocString pass) +instance + ( NFData (XMultiLineDocString pass) + , NFData (XNestedDocString pass) + , NFData (XGeneratedDocString pass) + , NFData (XXHsDocString pass) + , NFData (LHsDocStringChunk pass) + ) => NFData (HsDocString pass) where + rnf (MultiLineDocString x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (NestedDocString x a b) = rnf x `seq` rnf a `seq` rnf b + rnf (GeneratedDocString x a) = rnf x `seq` rnf a + rnf (XHsDocString x) = rnf x + +instance (Show (LHsDocStringChunk pass), Show (XXHsDocString pass)) => Show (HsDocString pass) where + showsPrec d (MultiLineDocString _ dec xs) = + showParen (d > 10) $ + showString "MultiLineDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 xs + showsPrec d (NestedDocString _ dec x) = + showParen (d > 10) $ + showString "NestedDocString " . showsPrec 11 dec . showChar ' ' . showsPrec 11 x + showsPrec d (GeneratedDocString _ x) = + showParen (d > 10) $ + showString "GeneratedDocString " . showsPrec 11 x + showsPrec d (XHsDocString x) = + showParen (d > 10) $ + showString "XHsDocString " . showsPrec 11 x + mkGeneratedHsDocString :: XGeneratedDocString p -> HsDocStringChunk -> HsDocString p mkGeneratedHsDocString x = GeneratedDocString x @@ -110,3 +136,6 @@ data WithHsDocIdentifiers a pass = WithHsDocIdentifiers { hsDocString :: !a , hsDocIdentifiers :: ![LIdP pass] } + +instance (UnXRec pass, NFData (IdP pass), NFData a) => NFData (WithHsDocIdentifiers a pass) where + rnf (WithHsDocIdentifiers d i) = rnf d `seq` rnf (map (unXRec @pass) i) ===================================== compiler/Language/Haskell/Syntax/Extension.hs ===================================== @@ -9,6 +9,7 @@ module Language.Haskell.Syntax.Extension where -- This module captures the type families to precisely identify the extension -- points for GHC.Hs syntax +import Control.DeepSeq import Data.Type.Equality (type (~)) import Data.Data hiding ( Fixity ) @@ -16,6 +17,7 @@ import Data.Kind (Type) import Data.Eq import Data.Ord +import Text.Show {- Note [Trees That Grow] @@ -62,6 +64,9 @@ See also Note [IsPass] and Note [NoGhcTc] in GHC.Hs.Extension. data NoExtField = NoExtField deriving (Data,Eq,Ord) +instance NFData NoExtField where + rnf NoExtField = () + -- | Used when constructing a term with an unused extension point. noExtField :: NoExtField noExtField = NoExtField @@ -95,7 +100,10 @@ can only do that if the extension field was strict (#18764). See also [DataConCantHappen and strict fields]. -} data DataConCantHappen - deriving (Data,Eq,Ord) + deriving (Data,Eq,Ord,Show) + +instance NFData DataConCantHappen where + rnf = dataConCantHappen -- | Eliminate a 'DataConCantHappen'. See Note [Constructor cannot occur]. dataConCantHappen :: DataConCantHappen -> a ===================================== compiler/Language/Haskell/Syntax/ImpExp.hs ===================================== @@ -1,4 +1,6 @@ {-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE UndecidableInstances #-} -- Wrinkle in Note [Trees That Grow] + -- in module Language.Haskell.Syntax.Extension module Language.Haskell.Syntax.ImpExp ( module Language.Haskell.Syntax.ImpExp, IsBootInterface(..) ) where import Language.Haskell.Syntax.Doc (LHsDoc) @@ -6,9 +8,9 @@ import Language.Haskell.Syntax.Extension import Language.Haskell.Syntax.Module.Name import Language.Haskell.Syntax.ImpExp.IsBoot ( IsBootInterface(..) ) -import Data.Eq (Eq) +import Data.Eq (Eq(..)) import Data.Data (Data) -import Data.Bool (Bool) +import Data.Bool (Bool(..)) import Data.Maybe (Maybe) import Data.String (String) import Data.Int (Int) ===================================== compiler/Language/Haskell/Syntax/Lit.hs ===================================== @@ -1,3 +1,4 @@ +{-# LANGUAGE RecordWildCards #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE UndecidableInstances #-} -- Wrinkle in Note [Trees That Grow] -- in module Language.Haskell.Syntax.Extension @@ -118,6 +119,7 @@ data OverLitVal x = HsIntegral !(IntegralLit x) -- ^ Integer-looking literals | HsFractional !(FractionalLit x) -- ^ Frac-looking literals | HsIsString !(StringLiteral x) -- ^ String-looking literals + -- | Haskell Qualified Literal data HsQualLit p = QualLit @@ -158,6 +160,18 @@ data FractionalLit pass = FL } | XFractionalLit !(XXFractionalLit pass) +-- The 'Show' instance is required for the derived +-- 'GHC.Parser.Lexer.Token' instance when DEBUG is enabled. +instance (Show (XFractionalLit pass), Show (XXFractionalLit pass)) => Show (FractionalLit pass) where + show (FL{..}) = unwords + [ show fl_text + , show fl_neg + , show fl_signi + , show fl_exp + , show fl_exp_base + ] + show (XFractionalLit x) = show x + {- Note [fractional exponent bases] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ For hexadecimal rationals of @@ -183,6 +197,10 @@ data IntegralLit pass = IL } | XIntegralLit !(XXIntegralLit pass) +instance (Show (XIntegralLit pass), Show (XXIntegralLit pass)) => Show (IntegralLit pass) where + show (IL{..}) = unwords [ show il_text, show il_neg, show il_value ] + show (XIntegralLit x) = show x + -- | Located Haskell String Literal type LStringLit p = XRec p (StringLiteral p) @@ -193,3 +211,8 @@ data StringLiteral pass = StringLiteral , sl_fs :: HText -- literal string value } | XStringLit !(XXStringLit pass) + +-- The 'Show' instance is required the 'parsed' test case of GHC's test-suite. +instance (Show (XStringLit pass), Show (XXStringLit pass)) => Show (StringLiteral pass) where + show (StringLiteral srcTxt litFS) = unwords [ show srcTxt, show litFS ] + show (XStringLit x) = show x ===================================== compiler/Language/Haskell/Syntax/Specificity.hs ===================================== @@ -14,6 +14,7 @@ module Language.Haskell.Syntax.Specificity ( import Prelude +import Control.DeepSeq (NFData(..)) import Data.Data -- | ForAllTyFlag @@ -27,6 +28,10 @@ data ForAllTyFlag = Invisible !Specificity deriving (Eq, Ord, Data) -- (<) on ForAllTyFlag means "is less visible than" +instance NFData ForAllTyFlag where + rnf (Invisible spec) = rnf spec + rnf Required = () + -- | Whether an 'Invisible' argument may appear in source Haskell. data Specificity = InferredSpec -- ^ the argument may not appear in source Haskell, it is @@ -36,6 +41,10 @@ data Specificity = InferredSpec -- required. deriving (Eq, Ord, Data) +instance NFData Specificity where + rnf SpecifiedSpec = () + rnf InferredSpec = () + pattern Inferred, Specified :: ForAllTyFlag pattern Inferred = Invisible InferredSpec pattern Specified = Invisible SpecifiedSpec ===================================== compiler/ghc.cabal.in ===================================== @@ -566,7 +566,6 @@ Library GHC.Hs.Instances GHC.Hs.Lit GHC.Hs.Pat - GHC.Hs.Specificity GHC.Hs.Stats GHC.HsToCore GHC.HsToCore.Arrows ===================================== testsuite/tests/count-deps/CountDepsParser.stdout ===================================== @@ -113,7 +113,6 @@ GHC.Hs.ImpExp GHC.Hs.Instances GHC.Hs.Lit GHC.Hs.Pat -GHC.Hs.Specificity GHC.Hs.Type GHC.Hs.Utils GHC.HsToCore.Errors.Types View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/13b83052dedcadf22265f3e801f3625… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/13b83052dedcadf22265f3e801f3625… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/davide/windows-dlls] WIP link haskell libs via import library
by David Eichmann (＠DavidEichmann) 11 Jul '26

11 Jul '26

David Eichmann pushed to branch wip/davide/windows-dlls at Glasgow Haskell Compiler / GHC Commits: 88bfe824 by David Eichmann at 2026-07-10T18:47:46+01:00 WIP link haskell libs via import library - - - - - 5 changed files: - compiler/GHC/Linker/Dynamic.hs - hadrian/src/Rules/Library.hs - hadrian/src/Rules/Rts.hs - libraries/Cabal - utils/ghc-pkg/Main.hs Changes: ===================================== compiler/GHC/Linker/Dynamic.hs ===================================== @@ -121,7 +121,7 @@ linkDynLib logger tmpfs dflags0 unit_env o_files dep_packages , FileOption "" output_fn , Option "-shared" ] ++ - [ FileOption "-Wl,--out-implib=" (output_fn ++ ".a") + [ FileOption "-Wl,--out-implib=" (output_fn -<.> ".lib") | gopt Opt_SharedImplib dflags ] ++ map (FileOption "") o_files ===================================== hadrian/src/Rules/Library.hs ===================================== @@ -221,7 +221,7 @@ extraObjects context } builddir <- buildPath context - return [ builddir -/- ghcInternalDllName <> ".a"] + return [ builddir -/- ghcInternalDllName <.> "lib"] | otherwise = return [] ===================================== hadrian/src/Rules/Rts.hs ===================================== @@ -14,7 +14,7 @@ rtsRules = priority 3 $ do forM_ [Stage1, Stage2, Stage3 ] $ \ stage -> do let buildPath = root -/- buildDir (rtsContext stage) buildPath -/- "libHSghc-internal-*.def" %> buildGhcInternalImportDef - buildPath -/- "libHSghc-internal-*.dll.a" %> buildGhcInternalImportLib + buildPath -/- "libHSghc-internal-*.lib" %> buildGhcInternalImportLib buildGhcInternalImportDef :: FilePath -> Action () buildGhcInternalImportDef target = do @@ -26,6 +26,6 @@ buildGhcInternalImportDef target = do buildGhcInternalImportLib :: FilePath -> Action () buildGhcInternalImportLib target = do let input = dropExtension (dropExtension target) <.> "def" -- the .def file - output = target -- the .dll.a import lib + output = target -- the .lib import lib need [input] runBuilder Dlltool ["-d", input, "-l", output] [input] [output] ===================================== libraries/Cabal ===================================== @@ -1 +1 @@ -Subproject commit 8d1f5a33662be0db0654061fb53fb00e3f4417e0 +Subproject commit ec4e372d52709709661131501da0abbe4b9481f4 ===================================== utils/ghc-pkg/Main.hs ===================================== @@ -2058,8 +2058,8 @@ checkHSLib _verbosity dirs lib = do "lib" ++ lib ++ "_p" ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".so", "lib" ++ lib ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".dylib", "lib" ++ lib ++ "_p" ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".dylib", - lib ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".dll", - lib ++ "_p" ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".dll", + lib ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".lib", + lib ++ "_p" ++ "-ghc" ++ GHC.Version.cProjectVersion ++ ".lib", lib ++ ".bytecodelib" ] b <- liftIO $ doesFileExistOnPath filenames dirs View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/88bfe824aec33e0dadd7504e1cc717a… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/88bfe824aec33e0dadd7504e1cc717a… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/spj-reinstallable-base2] Major patch to re-engineer known-key names
by Rodrigo Mesquita (＠alt-romes) 11 Jul '26

11 Jul '26

Rodrigo Mesquita pushed to branch wip/spj-reinstallable-base2 at Glasgow Haskell Compiler / GHC Commits: 5bc8fcce by Simon Peyton Jones at 2026-07-10T18:38:43+01:00 Major patch to re-engineer known-key names This big patch implements the New Plan for known-key names, described in #27013. Read the big Note [Overview of known-key names] in GHC.Types.Name Some things had to be reworked slightly to accomodate the new known-keys design. A significant one was the generation of auxiliary KindRep bindings, which was greatly simplified. Note [Grand plan for Typeable] was updated accordingly. Another example: GHC.Internal.CString was merged into GHC.Internal.Types. Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita(a)gmail.com> The couple hundreds of hours spent here by Rodrigo were sponsored by Well-Typed Metrics: compile_time/bytes allocated ------------------------------------- Baseline Test Metric value New value Change ------------------------------------------------------------------------------------------ MultiComponentModules100(normal) ghc/alloc 24,312,779,672 24,990,470,432 +2.8% BAD MultiComponentModulesRecomp(normal) ghc/alloc 601,924,960 621,884,888 +3.3% BAD MultiComponentModulesRecomp100(normal) ghc/alloc 11,884,065,432 12,531,373,704 +5.4% BAD MultiLayerModules(normal) ghc/alloc 3,861,537,072 3,706,919,512 -4.0% GOOD T13701(normal) ghc/alloc 3,517,246,392 3,237,179,616 -8.0% GOOD T13820(normal) ghc/alloc 28,961,056 29,663,208 +2.4% BAD T14697(normal) ghc/alloc 472,044,184 443,550,048 -6.0% GOOD T18140(normal) ghc/alloc 47,905,664 49,115,808 +2.5% BAD T4801(normal) ghc/alloc 269,339,096 263,432,040 -2.2% GOOD T783(normal) ghc/alloc 341,112,672 333,339,952 -2.3% GOOD hard_hole_fits(normal) ghc/alloc 222,164,728 213,433,808 -3.9% GOOD mhu-perf(normal) ghc/alloc 49,011,440 46,706,280 -4.7% GOOD geo. mean +0.1% minimum -8.0% maximum +5.4% All performance regressions were investigated in depth. The surviving ones: - MultiComponentModules100, MultiComponentModulesRecomp100, MultiComponentModulesRecomp regresses because existing bugs that make an additional implicit edge do too much redundant work: #27053 and #27461 - T13820, T18140, T10547 regress because we load an additional interface and associated Names for GHC.Essentials. ------------------------- Metric Decrease: MultiLayerModules T13701 T14697 T4801 T783 hard_hole_fits mhu-perf size_hello_obj Metric Increase: LinkableUsage01 MultiComponentModules100 MultiComponentModulesRecomp MultiComponentModulesRecomp100 T10547 T13820 T18140 ------------------------- - - - - - 727 changed files: - + changelog.d/refactor-known-names - compiler/GHC.hs - + compiler/GHC/Builtin.hs - + compiler/GHC/Builtin/KnownKeys.hs - + compiler/GHC/Builtin/KnownOccs.hs - + compiler/GHC/Builtin/Modules.hs - − compiler/GHC/Builtin/Names.hs - − compiler/GHC/Builtin/Names/TH.hs - compiler/GHC/Builtin/PrimOps.hs - compiler/GHC/Builtin/PrimOps/Casts.hs - compiler/GHC/Builtin/PrimOps/Ids.hs - + compiler/GHC/Builtin/TH.hs - compiler/GHC/Builtin/Uniques.hs - compiler/GHC/Builtin/Uniques.hs-boot - − compiler/GHC/Builtin/Utils.hs - + compiler/GHC/Builtin/WiredIn/Ids.hs - compiler/GHC/Builtin/Types/Prim.hs → compiler/GHC/Builtin/WiredIn/Prim.hs - compiler/GHC/Builtin/Types/Literals.hs → compiler/GHC/Builtin/WiredIn/TypeLits.hs - compiler/GHC/Builtin/Types.hs → compiler/GHC/Builtin/WiredIn/Types.hs - compiler/GHC/Builtin/Types.hs-boot → compiler/GHC/Builtin/WiredIn/Types.hs-boot - compiler/GHC/ByteCode/Asm.hs - compiler/GHC/Core.hs - compiler/GHC/Core/Coercion.hs - compiler/GHC/Core/DataCon.hs - compiler/GHC/Core/FVs.hs - compiler/GHC/Core/FamInstEnv.hs - compiler/GHC/Core/Lint.hs - compiler/GHC/Core/Make.hs - compiler/GHC/Core/Multiplicity.hs - compiler/GHC/Core/Opt/Arity.hs - compiler/GHC/Core/Opt/ConstantFold.hs - compiler/GHC/Core/Opt/CprAnal.hs - compiler/GHC/Core/Opt/DmdAnal.hs - compiler/GHC/Core/Opt/LiberateCase.hs - compiler/GHC/Core/Opt/OccurAnal.hs - compiler/GHC/Core/Opt/SetLevels.hs - compiler/GHC/Core/Opt/Simplify/Env.hs - compiler/GHC/Core/Opt/Simplify/Iteration.hs - compiler/GHC/Core/Opt/SpecConstr.hs - compiler/GHC/Core/Opt/Specialise.hs - compiler/GHC/Core/Opt/WorkWrap/Utils.hs - compiler/GHC/Core/Ppr.hs - compiler/GHC/Core/Predicate.hs - compiler/GHC/Core/Rules.hs - compiler/GHC/Core/SimpleOpt.hs - compiler/GHC/Core/Subst.hs - compiler/GHC/Core/TyCo/FVs.hs - compiler/GHC/Core/TyCo/Rep.hs - compiler/GHC/Core/TyCon.hs - compiler/GHC/Core/Type.hs - compiler/GHC/Core/Unfold.hs - compiler/GHC/Core/Unify.hs - compiler/GHC/Core/Utils.hs - compiler/GHC/CoreToIface.hs - compiler/GHC/CoreToStg.hs - compiler/GHC/CoreToStg/Prep.hs - compiler/GHC/Driver/Backpack.hs - compiler/GHC/Driver/Config/Tidy.hs - compiler/GHC/Driver/Downsweep.hs - compiler/GHC/Driver/DynFlags.hs - compiler/GHC/Driver/Env.hs - compiler/GHC/Driver/Env/KnotVars.hs - compiler/GHC/Driver/Env/Types.hs - compiler/GHC/Driver/Flags.hs - compiler/GHC/Driver/Main/Hsc.hs - compiler/GHC/Driver/Main/Passes.hs - compiler/GHC/Driver/Pipeline.hs - compiler/GHC/Driver/Pipeline/Execute.hs - compiler/GHC/Driver/Plugins.hs - compiler/GHC/Driver/Session.hs - compiler/GHC/Hs/Expr.hs - compiler/GHC/Hs/Lit.hs - compiler/GHC/Hs/Pat.hs - compiler/GHC/Hs/Syn/Type.hs - compiler/GHC/Hs/Type.hs - compiler/GHC/Hs/Utils.hs - compiler/GHC/HsToCore.hs - compiler/GHC/HsToCore/Arrows.hs - compiler/GHC/HsToCore/Binds.hs - compiler/GHC/HsToCore/Expr.hs - compiler/GHC/HsToCore/Foreign/C.hs - compiler/GHC/HsToCore/Foreign/Call.hs - compiler/GHC/HsToCore/Foreign/JavaScript.hs - compiler/GHC/HsToCore/Foreign/Utils.hs - compiler/GHC/HsToCore/Foreign/Wasm.hs - compiler/GHC/HsToCore/ListComp.hs - compiler/GHC/HsToCore/Match.hs - compiler/GHC/HsToCore/Match/Literal.hs - compiler/GHC/HsToCore/Monad.hs - compiler/GHC/HsToCore/Pmc/Check.hs - compiler/GHC/HsToCore/Pmc/Desugar.hs - compiler/GHC/HsToCore/Pmc/Ppr.hs - compiler/GHC/HsToCore/Pmc/Solver.hs - compiler/GHC/HsToCore/Pmc/Solver/Types.hs - compiler/GHC/HsToCore/Quote.hs - compiler/GHC/HsToCore/Types.hs - compiler/GHC/HsToCore/Utils.hs - compiler/GHC/Iface/Binary.hs - compiler/GHC/Iface/Env.hs - − compiler/GHC/Iface/Env.hs-boot - compiler/GHC/Iface/Errors/Ppr.hs - compiler/GHC/Iface/Errors/Types.hs - compiler/GHC/Iface/Load.hs - compiler/GHC/Iface/Make.hs - compiler/GHC/Iface/Syntax.hs - compiler/GHC/Iface/Tidy.hs - compiler/GHC/Iface/Type.hs - compiler/GHC/IfaceToCore.hs - compiler/GHC/Parser.y - compiler/GHC/Parser/Annotation.hs - compiler/GHC/Parser/Errors/Ppr.hs - compiler/GHC/Parser/Header.hs - compiler/GHC/Parser/PostProcess.hs - compiler/GHC/Plugins.hs - compiler/GHC/Rename/Bind.hs - compiler/GHC/Rename/Env.hs - compiler/GHC/Rename/Expr.hs - compiler/GHC/Rename/HsType.hs - compiler/GHC/Rename/Lit.hs - compiler/GHC/Rename/Module.hs - compiler/GHC/Rename/Names.hs - compiler/GHC/Rename/Pat.hs - compiler/GHC/Rename/Splice.hs - compiler/GHC/Rename/Unbound.hs - compiler/GHC/Rename/Utils.hs - compiler/GHC/Runtime/Context.hs - compiler/GHC/Runtime/Debugger.hs - compiler/GHC/Runtime/Eval.hs - compiler/GHC/Runtime/Heap/Inspect.hs - compiler/GHC/Runtime/Interpreter.hs - compiler/GHC/Runtime/Loader.hs - compiler/GHC/Stg/BcPrep.hs - compiler/GHC/Stg/Unarise.hs - compiler/GHC/StgToByteCode.hs - compiler/GHC/StgToCmm/Bind.hs - compiler/GHC/StgToCmm/DataCon.hs - compiler/GHC/StgToCmm/Env.hs - compiler/GHC/StgToCmm/Foreign.hs - compiler/GHC/StgToCmm/Lit.hs - compiler/GHC/StgToCmm/Ticky.hs - compiler/GHC/StgToJS/Apply.hs - compiler/GHC/StgToJS/Arg.hs - compiler/GHC/StgToJS/Expr.hs - compiler/GHC/StgToJS/FFI.hs - compiler/GHC/StgToJS/Linker/Utils.hs - compiler/GHC/StgToJS/Utils.hs - compiler/GHC/Tc/Deriv.hs - compiler/GHC/Tc/Deriv/Functor.hs - compiler/GHC/Tc/Deriv/Generate.hs - compiler/GHC/Tc/Deriv/Generics.hs - compiler/GHC/Tc/Deriv/Infer.hs - compiler/GHC/Tc/Deriv/Utils.hs - compiler/GHC/Tc/Errors.hs - compiler/GHC/Tc/Errors/Hole.hs - compiler/GHC/Tc/Errors/Ppr.hs - compiler/GHC/Tc/Gen/App.hs - compiler/GHC/Tc/Gen/Arrow.hs - compiler/GHC/Tc/Gen/Bind.hs - compiler/GHC/Tc/Gen/Default.hs - compiler/GHC/Tc/Gen/Export.hs - compiler/GHC/Tc/Gen/Expr.hs - compiler/GHC/Tc/Gen/Foreign.hs - compiler/GHC/Tc/Gen/Head.hs - compiler/GHC/Tc/Gen/HsType.hs - compiler/GHC/Tc/Gen/Match.hs - compiler/GHC/Tc/Gen/Pat.hs - compiler/GHC/Tc/Gen/Sig.hs - compiler/GHC/Tc/Gen/Splice.hs - compiler/GHC/Tc/Instance/Class.hs - compiler/GHC/Tc/Instance/Typeable.hs - compiler/GHC/Tc/Module.hs - compiler/GHC/Tc/Solver/Default.hs - compiler/GHC/Tc/Solver/Dict.hs - compiler/GHC/Tc/Solver/FunDeps.hs - compiler/GHC/Tc/Solver/InertSet.hs - compiler/GHC/Tc/Solver/Monad.hs - compiler/GHC/Tc/Solver/Rewrite.hs - compiler/GHC/Tc/TyCl.hs - compiler/GHC/Tc/TyCl/Build.hs - compiler/GHC/Tc/TyCl/Instance.hs - compiler/GHC/Tc/TyCl/PatSyn.hs - compiler/GHC/Tc/TyCl/Utils.hs - compiler/GHC/Tc/Types.hs - compiler/GHC/Tc/Types/Constraint.hs - compiler/GHC/Tc/Types/Evidence.hs - compiler/GHC/Tc/Types/LclEnv.hs - compiler/GHC/Tc/Types/Origin.hs - compiler/GHC/Tc/Utils/Backpack.hs - compiler/GHC/Tc/Utils/Concrete.hs - compiler/GHC/Tc/Utils/Env.hs - compiler/GHC/Tc/Utils/Instantiate.hs - compiler/GHC/Tc/Utils/Monad.hs - compiler/GHC/Tc/Utils/TcMType.hs - compiler/GHC/Tc/Utils/TcType.hs - compiler/GHC/Tc/Utils/Unify.hs - compiler/GHC/Tc/Validity.hs - compiler/GHC/Tc/Zonk/Type.hs - compiler/GHC/ThToHs.hs - compiler/GHC/Types/DefaultEnv.hs - compiler/GHC/Types/Error/Codes.hs - compiler/GHC/Types/Hint.hs - compiler/GHC/Types/Hint/Ppr.hs - compiler/GHC/Types/Id/Make.hs - compiler/GHC/Types/Literal.hs - compiler/GHC/Types/Name.hs - compiler/GHC/Types/Name/Cache.hs - compiler/GHC/Types/Name/Ppr.hs - compiler/GHC/Types/Name/Reader.hs - compiler/GHC/Types/RepType.hs - compiler/GHC/Types/TyThing.hs - compiler/GHC/Types/Unique.hs - compiler/GHC/Types/Unique/FM.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Unit.hs - compiler/GHC/Unit/External.hs - compiler/GHC/Unit/Module/Deps.hs - compiler/GHC/Unit/Module/ModSummary.hs - compiler/GHC/Unit/State.hs - compiler/GHC/Unit/Types.hs - compiler/GHC/Utils/Binary.hs - − compiler/GHC/Utils/Binary/Typeable.hs - compiler/Language/Haskell/Syntax/Expr.hs - compiler/ghc.cabal.in - docs/users_guide/separate_compilation.rst - ghc/GHCi/UI.hs - ghc/GHCi/UI/Monad.hs - libraries/base/base.cabal.in - libraries/base/src/Control/Applicative.hs - libraries/base/src/Control/Concurrent.hs - libraries/base/src/Control/Concurrent/Chan.hs - libraries/base/src/Control/Concurrent/QSem.hs - libraries/base/src/Control/Concurrent/QSemN.hs - libraries/base/src/Data/Array/Byte.hs - libraries/base/src/Data/Bifoldable.hs - libraries/base/src/Data/Bifoldable1.hs - libraries/base/src/Data/Bifunctor.hs - libraries/base/src/Data/Bitraversable.hs - libraries/base/src/Data/Bool.hs - libraries/base/src/Data/Complex.hs - libraries/base/src/Data/Data.hs - libraries/base/src/Data/Enum.hs - libraries/base/src/Data/Fixed.hs - libraries/base/src/Data/Foldable1.hs - libraries/base/src/Data/Functor/Classes.hs - libraries/base/src/Data/Functor/Compose.hs - libraries/base/src/Data/Functor/Contravariant.hs - libraries/base/src/Data/Functor/Product.hs - libraries/base/src/Data/Functor/Sum.hs - libraries/base/src/Data/List.hs - libraries/base/src/Data/List/NonEmpty.hs - libraries/base/src/Data/List/NubOrdSet.hs - libraries/base/src/Data/Semigroup.hs - libraries/base/src/Data/Version.hs - libraries/base/src/GHC/Base.hs - libraries/base/src/GHC/ByteOrder.hs - + libraries/base/src/GHC/Essentials.hs - libraries/base/src/GHC/Exts.hs - libraries/base/src/GHC/Fingerprint.hs - libraries/base/src/GHC/RTS/Flags.hs - libraries/base/src/GHC/ResponseFile.hs - libraries/base/src/GHC/Stats.hs - libraries/base/src/GHC/Weak/Finalize.hs - libraries/base/src/Numeric.hs - libraries/base/src/Prelude.hs - libraries/base/src/System/CPUTime/Posix/ClockGetTime.hsc - libraries/base/src/System/CPUTime/Posix/RUsage.hsc - libraries/base/src/System/CPUTime/Unsupported.hs - libraries/base/src/System/Console/GetOpt.hs - libraries/base/src/System/Exit.hs - libraries/base/src/System/IO.hs - libraries/base/src/System/IO/OS.hs - libraries/base/src/System/IO/Unsafe.hs - libraries/base/src/System/Info.hs - libraries/base/src/System/Timeout.hs - 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utils/haddock/haddock-api/src/Haddock/Interface/Rename.hs - utils/haddock/haddock-api/src/Haddock/Types.hs The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/5bc8fccef7685a71d588f34c92d2173… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/5bc8fccef7685a71d588f34c92d2173… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/spj-reinstallable-base2] Major patch to re-engineer known-key names
by Rodrigo Mesquita (＠alt-romes) 11 Jul '26

11 Jul '26

Rodrigo Mesquita pushed to branch wip/spj-reinstallable-base2 at Glasgow Haskell Compiler / GHC Commits: 3a91df7d by Simon Peyton Jones at 2026-07-10T18:30:25+01:00 Major patch to re-engineer known-key names This big patch implements the New Plan for known-key names, described in #27013. Read the big Note [Overview of known-key names] in GHC.Types.Name Some things had to be reworked slightly to accomodate the new known-keys design. A significant one was the generation of auxiliary KindRep bindings, which was greatly simplified. Note [Grand plan for Typeable] was updated accordingly. Another example: GHC.Internal.CString was merged into GHC.Internal.Types. Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita(a)gmail.com> The couple hundreds of hours spent here by Rodrigo were sponsored by Well-Typed Metrics: compile_time/bytes allocated ------------------------------------- Baseline Test Metric value New value Change ------------------------------------------------------------------------------------------ MultiComponentModules100(normal) ghc/alloc 24,312,779,672 24,990,470,432 +2.8% BAD MultiComponentModulesRecomp(normal) ghc/alloc 601,924,960 621,884,888 +3.3% BAD MultiComponentModulesRecomp100(normal) ghc/alloc 11,884,065,432 12,531,373,704 +5.4% BAD MultiLayerModules(normal) ghc/alloc 3,861,537,072 3,706,919,512 -4.0% GOOD T13701(normal) ghc/alloc 3,517,246,392 3,237,179,616 -8.0% GOOD T13820(normal) ghc/alloc 28,961,056 29,663,208 +2.4% BAD T14697(normal) ghc/alloc 472,044,184 443,550,048 -6.0% GOOD T18140(normal) ghc/alloc 47,905,664 49,115,808 +2.5% BAD T4801(normal) ghc/alloc 269,339,096 263,432,040 -2.2% GOOD T783(normal) ghc/alloc 341,112,672 333,339,952 -2.3% GOOD hard_hole_fits(normal) ghc/alloc 222,164,728 213,433,808 -3.9% GOOD mhu-perf(normal) ghc/alloc 49,011,440 46,706,280 -4.7% GOOD geo. mean +0.1% minimum -8.0% maximum +5.4% All performance regressions were investigated in depth. The surviving ones: - MultiComponentModules100, MultiComponentModulesRecomp100, MultiComponentModulesRecomp regresses because existing bugs that make an additional implicit edge do too much redundant work: #27053 and #27461 - T13820, T18140, T10547 regress because we load an additional interface and associated Names for GHC.Essentials. ------------------------- Metric Decrease: MultiLayerModules T13701 T14697 T4801 T783 hard_hole_fits mhu-perf size_hello_obj Metric Increase: LinkableUsage01 MultiComponentModules100 MultiComponentModulesRecomp MultiComponentModulesRecomp100 T10547 T13820 T18140 ------------------------- - - - - - 727 changed files: - + changelog.d/refactor-known-names - compiler/GHC.hs - + compiler/GHC/Builtin.hs - + compiler/GHC/Builtin/KnownKeys.hs - + compiler/GHC/Builtin/KnownOccs.hs - + compiler/GHC/Builtin/Modules.hs - − compiler/GHC/Builtin/Names.hs - − compiler/GHC/Builtin/Names/TH.hs - compiler/GHC/Builtin/PrimOps.hs - compiler/GHC/Builtin/PrimOps/Casts.hs - compiler/GHC/Builtin/PrimOps/Ids.hs - + compiler/GHC/Builtin/TH.hs - compiler/GHC/Builtin/Uniques.hs - compiler/GHC/Builtin/Uniques.hs-boot - − compiler/GHC/Builtin/Utils.hs - + compiler/GHC/Builtin/WiredIn/Ids.hs - compiler/GHC/Builtin/Types/Prim.hs → compiler/GHC/Builtin/WiredIn/Prim.hs - compiler/GHC/Builtin/Types/Literals.hs → compiler/GHC/Builtin/WiredIn/TypeLits.hs - compiler/GHC/Builtin/Types.hs → compiler/GHC/Builtin/WiredIn/Types.hs - compiler/GHC/Builtin/Types.hs-boot → compiler/GHC/Builtin/WiredIn/Types.hs-boot - compiler/GHC/ByteCode/Asm.hs - compiler/GHC/Core.hs - compiler/GHC/Core/Coercion.hs - compiler/GHC/Core/DataCon.hs - compiler/GHC/Core/FVs.hs - compiler/GHC/Core/FamInstEnv.hs - compiler/GHC/Core/Lint.hs - compiler/GHC/Core/Make.hs - compiler/GHC/Core/Multiplicity.hs - compiler/GHC/Core/Opt/Arity.hs - compiler/GHC/Core/Opt/ConstantFold.hs - compiler/GHC/Core/Opt/CprAnal.hs - compiler/GHC/Core/Opt/DmdAnal.hs - compiler/GHC/Core/Opt/LiberateCase.hs - compiler/GHC/Core/Opt/OccurAnal.hs - compiler/GHC/Core/Opt/SetLevels.hs - compiler/GHC/Core/Opt/Simplify/Env.hs - compiler/GHC/Core/Opt/Simplify/Iteration.hs - compiler/GHC/Core/Opt/SpecConstr.hs - compiler/GHC/Core/Opt/Specialise.hs - compiler/GHC/Core/Opt/WorkWrap/Utils.hs - compiler/GHC/Core/Ppr.hs - compiler/GHC/Core/Predicate.hs - compiler/GHC/Core/Rules.hs - compiler/GHC/Core/SimpleOpt.hs - compiler/GHC/Core/Subst.hs - compiler/GHC/Core/TyCo/FVs.hs - compiler/GHC/Core/TyCo/Rep.hs - compiler/GHC/Core/TyCon.hs - compiler/GHC/Core/Type.hs - compiler/GHC/Core/Unfold.hs - compiler/GHC/Core/Unify.hs - compiler/GHC/Core/Utils.hs - compiler/GHC/CoreToIface.hs - compiler/GHC/CoreToStg.hs - compiler/GHC/CoreToStg/Prep.hs - compiler/GHC/Driver/Backpack.hs - compiler/GHC/Driver/Config/Tidy.hs - compiler/GHC/Driver/Downsweep.hs - compiler/GHC/Driver/DynFlags.hs - compiler/GHC/Driver/Env.hs - compiler/GHC/Driver/Env/KnotVars.hs - compiler/GHC/Driver/Env/Types.hs - compiler/GHC/Driver/Flags.hs - compiler/GHC/Driver/Main/Hsc.hs - compiler/GHC/Driver/Main/Passes.hs - compiler/GHC/Driver/Pipeline.hs - compiler/GHC/Driver/Pipeline/Execute.hs - compiler/GHC/Driver/Plugins.hs - compiler/GHC/Driver/Session.hs - compiler/GHC/Hs/Expr.hs - compiler/GHC/Hs/Lit.hs - compiler/GHC/Hs/Pat.hs - compiler/GHC/Hs/Syn/Type.hs - compiler/GHC/Hs/Type.hs - compiler/GHC/Hs/Utils.hs - compiler/GHC/HsToCore.hs - compiler/GHC/HsToCore/Arrows.hs - compiler/GHC/HsToCore/Binds.hs - compiler/GHC/HsToCore/Expr.hs - compiler/GHC/HsToCore/Foreign/C.hs - compiler/GHC/HsToCore/Foreign/Call.hs - compiler/GHC/HsToCore/Foreign/JavaScript.hs - compiler/GHC/HsToCore/Foreign/Utils.hs - compiler/GHC/HsToCore/Foreign/Wasm.hs - compiler/GHC/HsToCore/ListComp.hs - compiler/GHC/HsToCore/Match.hs - compiler/GHC/HsToCore/Match/Literal.hs - compiler/GHC/HsToCore/Monad.hs - compiler/GHC/HsToCore/Pmc/Check.hs - compiler/GHC/HsToCore/Pmc/Desugar.hs - compiler/GHC/HsToCore/Pmc/Ppr.hs - compiler/GHC/HsToCore/Pmc/Solver.hs - compiler/GHC/HsToCore/Pmc/Solver/Types.hs - compiler/GHC/HsToCore/Quote.hs - compiler/GHC/HsToCore/Types.hs - compiler/GHC/HsToCore/Utils.hs - compiler/GHC/Iface/Binary.hs - compiler/GHC/Iface/Env.hs - − compiler/GHC/Iface/Env.hs-boot - compiler/GHC/Iface/Errors/Ppr.hs - compiler/GHC/Iface/Errors/Types.hs - compiler/GHC/Iface/Load.hs - compiler/GHC/Iface/Make.hs - compiler/GHC/Iface/Syntax.hs - compiler/GHC/Iface/Tidy.hs - compiler/GHC/Iface/Type.hs - compiler/GHC/IfaceToCore.hs - compiler/GHC/Parser.y - compiler/GHC/Parser/Annotation.hs - compiler/GHC/Parser/Errors/Ppr.hs - compiler/GHC/Parser/Header.hs - compiler/GHC/Parser/PostProcess.hs - compiler/GHC/Plugins.hs - compiler/GHC/Rename/Bind.hs - compiler/GHC/Rename/Env.hs - compiler/GHC/Rename/Expr.hs - compiler/GHC/Rename/HsType.hs - compiler/GHC/Rename/Lit.hs - compiler/GHC/Rename/Module.hs - compiler/GHC/Rename/Names.hs - compiler/GHC/Rename/Pat.hs - compiler/GHC/Rename/Splice.hs - compiler/GHC/Rename/Unbound.hs - compiler/GHC/Rename/Utils.hs - compiler/GHC/Runtime/Context.hs - compiler/GHC/Runtime/Debugger.hs - compiler/GHC/Runtime/Eval.hs - compiler/GHC/Runtime/Heap/Inspect.hs - compiler/GHC/Runtime/Interpreter.hs - compiler/GHC/Runtime/Loader.hs - compiler/GHC/Stg/BcPrep.hs - compiler/GHC/Stg/Unarise.hs - compiler/GHC/StgToByteCode.hs - compiler/GHC/StgToCmm/Bind.hs - compiler/GHC/StgToCmm/DataCon.hs - compiler/GHC/StgToCmm/Env.hs - compiler/GHC/StgToCmm/Foreign.hs - compiler/GHC/StgToCmm/Lit.hs - compiler/GHC/StgToCmm/Ticky.hs - compiler/GHC/StgToJS/Apply.hs - compiler/GHC/StgToJS/Arg.hs - compiler/GHC/StgToJS/Expr.hs - compiler/GHC/StgToJS/FFI.hs - compiler/GHC/StgToJS/Linker/Utils.hs - compiler/GHC/StgToJS/Utils.hs - compiler/GHC/Tc/Deriv.hs - compiler/GHC/Tc/Deriv/Functor.hs - compiler/GHC/Tc/Deriv/Generate.hs - compiler/GHC/Tc/Deriv/Generics.hs - compiler/GHC/Tc/Deriv/Infer.hs - compiler/GHC/Tc/Deriv/Utils.hs - compiler/GHC/Tc/Errors.hs - compiler/GHC/Tc/Errors/Hole.hs - compiler/GHC/Tc/Errors/Ppr.hs - compiler/GHC/Tc/Gen/App.hs - compiler/GHC/Tc/Gen/Arrow.hs - compiler/GHC/Tc/Gen/Bind.hs - compiler/GHC/Tc/Gen/Default.hs - compiler/GHC/Tc/Gen/Export.hs - compiler/GHC/Tc/Gen/Expr.hs - compiler/GHC/Tc/Gen/Foreign.hs - compiler/GHC/Tc/Gen/Head.hs - compiler/GHC/Tc/Gen/HsType.hs - compiler/GHC/Tc/Gen/Match.hs - compiler/GHC/Tc/Gen/Pat.hs - compiler/GHC/Tc/Gen/Sig.hs - compiler/GHC/Tc/Gen/Splice.hs - compiler/GHC/Tc/Instance/Class.hs - compiler/GHC/Tc/Instance/Typeable.hs - compiler/GHC/Tc/Module.hs - compiler/GHC/Tc/Solver/Default.hs - compiler/GHC/Tc/Solver/Dict.hs - compiler/GHC/Tc/Solver/FunDeps.hs - compiler/GHC/Tc/Solver/InertSet.hs - compiler/GHC/Tc/Solver/Monad.hs - compiler/GHC/Tc/Solver/Rewrite.hs - compiler/GHC/Tc/TyCl.hs - compiler/GHC/Tc/TyCl/Build.hs - compiler/GHC/Tc/TyCl/Instance.hs - compiler/GHC/Tc/TyCl/PatSyn.hs - compiler/GHC/Tc/TyCl/Utils.hs - compiler/GHC/Tc/Types.hs - compiler/GHC/Tc/Types/Constraint.hs - compiler/GHC/Tc/Types/Evidence.hs - compiler/GHC/Tc/Types/LclEnv.hs - compiler/GHC/Tc/Types/Origin.hs - compiler/GHC/Tc/Utils/Backpack.hs - compiler/GHC/Tc/Utils/Concrete.hs - compiler/GHC/Tc/Utils/Env.hs - compiler/GHC/Tc/Utils/Instantiate.hs - compiler/GHC/Tc/Utils/Monad.hs - compiler/GHC/Tc/Utils/TcMType.hs - compiler/GHC/Tc/Utils/TcType.hs - compiler/GHC/Tc/Utils/Unify.hs - compiler/GHC/Tc/Validity.hs - compiler/GHC/Tc/Zonk/Type.hs - compiler/GHC/ThToHs.hs - compiler/GHC/Types/DefaultEnv.hs - compiler/GHC/Types/Error/Codes.hs - compiler/GHC/Types/Hint.hs - compiler/GHC/Types/Hint/Ppr.hs - compiler/GHC/Types/Id/Make.hs - compiler/GHC/Types/Literal.hs - compiler/GHC/Types/Name.hs - compiler/GHC/Types/Name/Cache.hs - compiler/GHC/Types/Name/Ppr.hs - compiler/GHC/Types/Name/Reader.hs - compiler/GHC/Types/RepType.hs - compiler/GHC/Types/TyThing.hs - compiler/GHC/Types/Unique.hs - compiler/GHC/Types/Unique/FM.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Unit.hs - compiler/GHC/Unit/External.hs - compiler/GHC/Unit/Module/Deps.hs - compiler/GHC/Unit/Module/ModSummary.hs - compiler/GHC/Unit/State.hs - compiler/GHC/Unit/Types.hs - compiler/GHC/Utils/Binary.hs - − compiler/GHC/Utils/Binary/Typeable.hs - compiler/Language/Haskell/Syntax/Expr.hs - compiler/ghc.cabal.in - docs/users_guide/separate_compilation.rst - ghc/GHCi/UI.hs - ghc/GHCi/UI/Monad.hs - libraries/base/base.cabal.in - libraries/base/src/Control/Applicative.hs - libraries/base/src/Control/Concurrent.hs - libraries/base/src/Control/Concurrent/Chan.hs - libraries/base/src/Control/Concurrent/QSem.hs - libraries/base/src/Control/Concurrent/QSemN.hs - libraries/base/src/Data/Array/Byte.hs - libraries/base/src/Data/Bifoldable.hs - libraries/base/src/Data/Bifoldable1.hs - libraries/base/src/Data/Bifunctor.hs - libraries/base/src/Data/Bitraversable.hs - libraries/base/src/Data/Bool.hs - libraries/base/src/Data/Complex.hs - libraries/base/src/Data/Data.hs - libraries/base/src/Data/Enum.hs - libraries/base/src/Data/Fixed.hs - libraries/base/src/Data/Foldable1.hs - libraries/base/src/Data/Functor/Classes.hs - libraries/base/src/Data/Functor/Compose.hs - libraries/base/src/Data/Functor/Contravariant.hs - libraries/base/src/Data/Functor/Product.hs - libraries/base/src/Data/Functor/Sum.hs - libraries/base/src/Data/List.hs - libraries/base/src/Data/List/NonEmpty.hs - libraries/base/src/Data/List/NubOrdSet.hs - libraries/base/src/Data/Semigroup.hs - libraries/base/src/Data/Version.hs - libraries/base/src/GHC/Base.hs - libraries/base/src/GHC/ByteOrder.hs - + libraries/base/src/GHC/Essentials.hs - libraries/base/src/GHC/Exts.hs - libraries/base/src/GHC/Fingerprint.hs - libraries/base/src/GHC/RTS/Flags.hs - libraries/base/src/GHC/ResponseFile.hs - libraries/base/src/GHC/Stats.hs - libraries/base/src/GHC/Weak/Finalize.hs - libraries/base/src/Numeric.hs - libraries/base/src/Prelude.hs - libraries/base/src/System/CPUTime/Posix/ClockGetTime.hsc - libraries/base/src/System/CPUTime/Posix/RUsage.hsc - libraries/base/src/System/CPUTime/Unsupported.hs - libraries/base/src/System/Console/GetOpt.hs - libraries/base/src/System/Exit.hs - libraries/base/src/System/IO.hs - libraries/base/src/System/IO/OS.hs - libraries/base/src/System/IO/Unsafe.hs - libraries/base/src/System/Info.hs - libraries/base/src/System/Timeout.hs - libraries/base/src/Text/Printf.hs - libraries/base/src/Text/Read.hs - libraries/base/src/Text/Show/Functions.hs - libraries/binary - libraries/ghc-experimental/src/Data/Sum/Experimental.hs - libraries/ghc-experimental/src/Data/Tuple/Experimental.hs - libraries/ghc-experimental/src/GHC/Profiling/Eras.hs - libraries/ghc-experimental/src/Prelude/Experimental.hs - libraries/ghc-internal/codepages/MakeTable.hs - libraries/ghc-internal/ghc-internal.cabal.in - libraries/ghc-internal/include/RtsIfaceSymbols.h - libraries/ghc-internal/src/GHC/Internal/AllocationLimitHandler.hs - libraries/ghc-internal/src/GHC/Internal/Arr.hs - libraries/ghc-internal/src/GHC/Internal/ArrayArray.hs - libraries/ghc-internal/src/GHC/Internal/Base.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/Backend.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/GMP.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Native.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs-boot - libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs-boot - libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs - libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs-boot - libraries/ghc-internal/src/GHC/Internal/Bits.hs - libraries/ghc-internal/src/GHC/Internal/ByteOrder.hs - libraries/ghc-internal/src/GHC/Internal/CString.hs - libraries/ghc-internal/src/GHC/Internal/Char.hs - libraries/ghc-internal/src/GHC/Internal/Classes.hs - libraries/ghc-internal/src/GHC/Internal/Classes/IP.hs - libraries/ghc-internal/src/GHC/Internal/Clock.hsc - libraries/ghc-internal/src/GHC/Internal/ClosureTypes.hs - libraries/ghc-internal/src/GHC/Internal/Conc/Bound.hs - libraries/ghc-internal/src/GHC/Internal/Conc/IO.hs - libraries/ghc-internal/src/GHC/Internal/Conc/POSIX.hs - libraries/ghc-internal/src/GHC/Internal/Conc/POSIX/Const.hsc - libraries/ghc-internal/src/GHC/Internal/Conc/Signal.hs - libraries/ghc-internal/src/GHC/Internal/Conc/Sync.hs - 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testsuite/tests/typecheck/should_fail/T3323.stderr - testsuite/tests/typecheck/should_fail/T5095.stderr - testsuite/tests/typecheck/should_fail/T7279.stderr - testsuite/tests/typecheck/should_fail/TcStaticPointersFail02.stderr - testsuite/tests/typecheck/should_fail/TyAppPat_PatternBindingExistential.stderr - testsuite/tests/typecheck/should_fail/tcfail072.stderr - testsuite/tests/typecheck/should_fail/tcfail097.stderr - testsuite/tests/typecheck/should_fail/tcfail133.stderr - testsuite/tests/typecheck/should_run/T22510.stdout - testsuite/tests/unboxedsums/unboxedsums_unit_tests.hs - testsuite/tests/warnings/should_compile/DerivingTypeable.stderr - utils/check-exact/Utils.hs - utils/genprimopcode/Main.hs - utils/haddock/haddock-api/src/Haddock/Convert.hs - utils/haddock/haddock-api/src/Haddock/GhcUtils.hs - utils/haddock/haddock-api/src/Haddock/Interface.hs - utils/haddock/haddock-api/src/Haddock/Interface/AttachInstances.hs - utils/haddock/haddock-api/src/Haddock/Interface/Create.hs - utils/haddock/haddock-api/src/Haddock/Interface/Rename.hs - utils/haddock/haddock-api/src/Haddock/Types.hs The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/3a91df7dc43fd5af271b8b939437f47… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/3a91df7dc43fd5af271b8b939437f47… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/davide/windows-dlls] 6 commits: WIP explicit exports
by David Eichmann (＠DavidEichmann) 11 Jul '26

11 Jul '26

David Eichmann pushed to branch wip/davide/windows-dlls at Glasgow Haskell Compiler / GHC Commits: adc09ca3 by David Eichmann at 2026-07-03T17:33:01+01:00 WIP explicit exports - - - - - 111bf7d6 by David Eichmann at 2026-07-03T17:33:01+01:00 rts: explicit dll exports - - - - - e3c8bc4c by David Eichmann at 2026-07-03T17:33:01+01:00 libraries: Explicit dll exports and NOINLINE some ccalls - - - - - 8e5dc61d by David Eichmann at 2026-07-06T16:13:07+01:00 WIP rts: explicit dll exports - - - - - 51450db9 by David Eichmann at 2026-07-10T15:32:45+01:00 Explicitly lable rts symbols with dllexport - - - - - 86a5dbb0 by David Eichmann at 2026-07-10T18:15:03+01:00 WIP link haskell libs via import library - - - - - 81 changed files: - compiler/GHC/Cmm.hs - compiler/GHC/CmmToAsm/Ppr.hs - compiler/GHC/CmmToAsm/X86/Ppr.hs - compiler/GHC/Linker/Dynamic.hs - hadrian/src/Hadrian/Haskell/Cabal/Parse.hs - hadrian/src/Rules/Library.hs - hadrian/src/Rules/Rts.hs - libraries/Cabal - libraries/Win32 - libraries/base/src/Control/Concurrent.hs - libraries/bytestring - libraries/file-io - libraries/ghc-internal/cbits/RtsIface.c - libraries/ghc-internal/cbits/Win32Utils.c - libraries/ghc-internal/cbits/inputReady.c - libraries/ghc-internal/include/HsBase.h - libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/GMP.hs - libraries/ghc-internal/src/GHC/Internal/Float.hs - libraries/ghc-internal/src/GHC/Internal/Float/RealFracMethods.hs - libraries/ghc-internal/src/GHC/Internal/Foreign/C/Error.hs - libraries/ghc-internal/src/GHC/Internal/IO/Windows/Handle.hsc - libraries/ghc-internal/src/GHC/Internal/System/IO.hs - libraries/ghc-internal/src/GHC/Internal/System/Posix/Internals.hs - libraries/ghc-internal/src/GHC/Internal/Windows.hs - libraries/text - rts/Arena.h - rts/BeginPrivate.h - rts/CloneStack.h - rts/Globals.c - rts/IOManager.c - rts/Interpreter.h - rts/RtsSymbols.c - rts/TopHandler.h - rts/include/HsFFI.h - rts/include/Rts.h - rts/include/RtsAPI.h - + rts/include/RtsPublic.h - rts/include/rts/Adjustor.h - rts/include/rts/BlockSignals.h - rts/include/rts/EventLogWriter.h - rts/include/rts/ExecPage.h - rts/include/rts/FileLock.h - rts/include/rts/Flags.h - rts/include/rts/ForeignExports.h - rts/include/rts/GetTime.h - rts/include/rts/Globals.h - rts/include/rts/Hpc.h - rts/include/rts/IOInterface.h - rts/include/rts/IPE.h - rts/include/rts/Libdw.h - rts/include/rts/LibdwPool.h - rts/include/rts/Linker.h - rts/include/rts/Main.h - rts/include/rts/Messages.h - rts/include/rts/NonMoving.h - rts/include/rts/OSThreads.h - rts/include/rts/Parallel.h - rts/include/rts/PrimFloat.h - rts/include/rts/Profiling.h - rts/include/rts/RtsToHsIface.h - rts/include/rts/StableName.h - rts/include/rts/StablePtr.h - rts/include/rts/StaticPtrTable.h - rts/include/rts/TTY.h - rts/include/rts/Threads.h - rts/include/rts/Ticky.h - rts/include/rts/Time.h - rts/include/rts/Timer.h - rts/include/rts/Utils.h - rts/include/rts/prof/CCS.h - rts/include/rts/prof/Heap.h - rts/include/rts/storage/ClosureMacros.h - rts/include/rts/storage/GC.h - rts/include/rts/storage/InfoTables.h - rts/include/stg/MiscClosures.h - rts/include/stg/Prim.h - rts/include/stg/Regs.h - rts/include/stg/Ticky.h - rts/rts.cabal - rts/win32/AsyncWinIO.h - utils/ghc-pkg/Main.hs The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/e6bc007eb624a7b029a4aaa0172f2d… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/e6bc007eb624a7b029a4aaa0172f2d… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/spj-reinstallable-base2] Major patch to re-engineer known-key names
by Rodrigo Mesquita (＠alt-romes) 11 Jul '26

11 Jul '26

Rodrigo Mesquita pushed to branch wip/spj-reinstallable-base2 at Glasgow Haskell Compiler / GHC Commits: 9e70bbc7 by Simon Peyton Jones at 2026-07-10T17:57:34+01:00 Major patch to re-engineer known-key names This big patch implements the New Plan for known-key names, described in #27013. Read the big Note [Overview of known-key names] in GHC.Types.Name Some things had to be reworked slightly to accomodate the new known-keys design. A significant one was the generation of auxiliary KindRep bindings, which was greatly simplified. Note [Grand plan for Typeable] was updated accordingly. Another example: GHC.Internal.CString was merged into GHC.Internal.Types. Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita(a)gmail.com> The couple hundreds of hours spent here by Rodrigo were sponsored by Well-Typed Metrics: compile_time/bytes allocated ------------------------------------- Baseline Test Metric value New value Change ------------------------------------------------------------------------------------------ MultiComponentModules100(normal) ghc/alloc 24,312,779,672 24,990,470,432 +2.8% BAD MultiComponentModulesRecomp(normal) ghc/alloc 601,924,960 621,884,888 +3.3% BAD MultiComponentModulesRecomp100(normal) ghc/alloc 11,884,065,432 12,531,373,704 +5.4% BAD MultiLayerModules(normal) ghc/alloc 3,861,537,072 3,706,919,512 -4.0% GOOD T13701(normal) ghc/alloc 3,517,246,392 3,237,179,616 -8.0% GOOD T13820(normal) ghc/alloc 28,961,056 29,663,208 +2.4% BAD T14697(normal) ghc/alloc 472,044,184 443,550,048 -6.0% GOOD T18140(normal) ghc/alloc 47,905,664 49,115,808 +2.5% BAD T4801(normal) ghc/alloc 269,339,096 263,432,040 -2.2% GOOD T783(normal) ghc/alloc 341,112,672 333,339,952 -2.3% GOOD hard_hole_fits(normal) ghc/alloc 222,164,728 213,433,808 -3.9% GOOD mhu-perf(normal) ghc/alloc 49,011,440 46,706,280 -4.7% GOOD geo. mean +0.1% minimum -8.0% maximum +5.4% All performance regressions were investigated in depth. The surviving ones: - MultiComponentModules100, MultiComponentModulesRecomp100, MultiComponentModulesRecomp regresses because existing bugs that make an additional implicit edge do too much redundant work: #27053 and #27461 - T13820, T18140, T10547 regress because we load an additional interface and associated Names for GHC.Essentials. ------------------------- Metric Decrease: MultiLayerModules T13701 T14697 T4801 T783 hard_hole_fits mhu-perf size_hello_obj Metric Increase: LinkableUsage01 MultiComponentModules100 MultiComponentModulesRecomp MultiComponentModulesRecomp100 T10547 T13820 T18140 ------------------------- - - - - - 727 changed files: - + changelog.d/refactor-known-names - compiler/GHC.hs - + compiler/GHC/Builtin.hs - + compiler/GHC/Builtin/KnownKeys.hs - + compiler/GHC/Builtin/KnownOccs.hs - + compiler/GHC/Builtin/Modules.hs - − compiler/GHC/Builtin/Names.hs - − compiler/GHC/Builtin/Names/TH.hs - compiler/GHC/Builtin/PrimOps.hs - compiler/GHC/Builtin/PrimOps/Casts.hs - compiler/GHC/Builtin/PrimOps/Ids.hs - + compiler/GHC/Builtin/TH.hs - compiler/GHC/Builtin/Uniques.hs - compiler/GHC/Builtin/Uniques.hs-boot - − compiler/GHC/Builtin/Utils.hs - + compiler/GHC/Builtin/WiredIn/Ids.hs - compiler/GHC/Builtin/Types/Prim.hs → compiler/GHC/Builtin/WiredIn/Prim.hs - compiler/GHC/Builtin/Types/Literals.hs → compiler/GHC/Builtin/WiredIn/TypeLits.hs - compiler/GHC/Builtin/Types.hs → compiler/GHC/Builtin/WiredIn/Types.hs - compiler/GHC/Builtin/Types.hs-boot → compiler/GHC/Builtin/WiredIn/Types.hs-boot - compiler/GHC/ByteCode/Asm.hs - compiler/GHC/Core.hs - compiler/GHC/Core/Coercion.hs - compiler/GHC/Core/DataCon.hs - compiler/GHC/Core/FVs.hs - compiler/GHC/Core/FamInstEnv.hs - compiler/GHC/Core/Lint.hs - compiler/GHC/Core/Make.hs - compiler/GHC/Core/Multiplicity.hs - compiler/GHC/Core/Opt/Arity.hs - compiler/GHC/Core/Opt/ConstantFold.hs - compiler/GHC/Core/Opt/CprAnal.hs - compiler/GHC/Core/Opt/DmdAnal.hs - compiler/GHC/Core/Opt/LiberateCase.hs - compiler/GHC/Core/Opt/OccurAnal.hs - compiler/GHC/Core/Opt/SetLevels.hs - compiler/GHC/Core/Opt/Simplify/Env.hs - compiler/GHC/Core/Opt/Simplify/Iteration.hs - compiler/GHC/Core/Opt/SpecConstr.hs - compiler/GHC/Core/Opt/Specialise.hs - compiler/GHC/Core/Opt/WorkWrap/Utils.hs - compiler/GHC/Core/Ppr.hs - compiler/GHC/Core/Predicate.hs - compiler/GHC/Core/Rules.hs - compiler/GHC/Core/SimpleOpt.hs - compiler/GHC/Core/Subst.hs - compiler/GHC/Core/TyCo/FVs.hs - compiler/GHC/Core/TyCo/Rep.hs - compiler/GHC/Core/TyCon.hs - compiler/GHC/Core/Type.hs - compiler/GHC/Core/Unfold.hs - compiler/GHC/Core/Unify.hs - compiler/GHC/Core/Utils.hs - compiler/GHC/CoreToIface.hs - compiler/GHC/CoreToStg.hs - compiler/GHC/CoreToStg/Prep.hs - compiler/GHC/Driver/Backpack.hs - compiler/GHC/Driver/Config/Tidy.hs - compiler/GHC/Driver/Downsweep.hs - compiler/GHC/Driver/DynFlags.hs - compiler/GHC/Driver/Env.hs - compiler/GHC/Driver/Env/KnotVars.hs - compiler/GHC/Driver/Env/Types.hs - compiler/GHC/Driver/Flags.hs - compiler/GHC/Driver/Main/Hsc.hs - compiler/GHC/Driver/Main/Passes.hs - compiler/GHC/Driver/Pipeline.hs - compiler/GHC/Driver/Pipeline/Execute.hs - compiler/GHC/Driver/Plugins.hs - compiler/GHC/Driver/Session.hs - compiler/GHC/Hs/Expr.hs - compiler/GHC/Hs/Lit.hs - compiler/GHC/Hs/Pat.hs - compiler/GHC/Hs/Syn/Type.hs - compiler/GHC/Hs/Type.hs - compiler/GHC/Hs/Utils.hs - compiler/GHC/HsToCore.hs - compiler/GHC/HsToCore/Arrows.hs - compiler/GHC/HsToCore/Binds.hs - compiler/GHC/HsToCore/Expr.hs - compiler/GHC/HsToCore/Foreign/C.hs - compiler/GHC/HsToCore/Foreign/Call.hs - compiler/GHC/HsToCore/Foreign/JavaScript.hs - compiler/GHC/HsToCore/Foreign/Utils.hs - compiler/GHC/HsToCore/Foreign/Wasm.hs - compiler/GHC/HsToCore/ListComp.hs - compiler/GHC/HsToCore/Match.hs - compiler/GHC/HsToCore/Match/Literal.hs - compiler/GHC/HsToCore/Monad.hs - compiler/GHC/HsToCore/Pmc/Check.hs - compiler/GHC/HsToCore/Pmc/Desugar.hs - compiler/GHC/HsToCore/Pmc/Ppr.hs - compiler/GHC/HsToCore/Pmc/Solver.hs - compiler/GHC/HsToCore/Pmc/Solver/Types.hs - compiler/GHC/HsToCore/Quote.hs - compiler/GHC/HsToCore/Types.hs - compiler/GHC/HsToCore/Utils.hs - compiler/GHC/Iface/Binary.hs - compiler/GHC/Iface/Env.hs - − compiler/GHC/Iface/Env.hs-boot - compiler/GHC/Iface/Errors/Ppr.hs - compiler/GHC/Iface/Errors/Types.hs - compiler/GHC/Iface/Load.hs - compiler/GHC/Iface/Make.hs - compiler/GHC/Iface/Syntax.hs - compiler/GHC/Iface/Tidy.hs - compiler/GHC/Iface/Type.hs - compiler/GHC/IfaceToCore.hs - compiler/GHC/Parser.y - compiler/GHC/Parser/Annotation.hs - compiler/GHC/Parser/Errors/Ppr.hs - compiler/GHC/Parser/Header.hs - compiler/GHC/Parser/PostProcess.hs - compiler/GHC/Plugins.hs - compiler/GHC/Rename/Bind.hs - compiler/GHC/Rename/Env.hs - compiler/GHC/Rename/Expr.hs - compiler/GHC/Rename/HsType.hs - compiler/GHC/Rename/Lit.hs - compiler/GHC/Rename/Module.hs - compiler/GHC/Rename/Names.hs - compiler/GHC/Rename/Pat.hs - compiler/GHC/Rename/Splice.hs - compiler/GHC/Rename/Unbound.hs - compiler/GHC/Rename/Utils.hs - compiler/GHC/Runtime/Context.hs - compiler/GHC/Runtime/Debugger.hs - compiler/GHC/Runtime/Eval.hs - compiler/GHC/Runtime/Heap/Inspect.hs - compiler/GHC/Runtime/Interpreter.hs - compiler/GHC/Runtime/Loader.hs - compiler/GHC/Stg/BcPrep.hs - compiler/GHC/Stg/Unarise.hs - compiler/GHC/StgToByteCode.hs - compiler/GHC/StgToCmm/Bind.hs - compiler/GHC/StgToCmm/DataCon.hs - compiler/GHC/StgToCmm/Env.hs - compiler/GHC/StgToCmm/Foreign.hs - compiler/GHC/StgToCmm/Lit.hs - compiler/GHC/StgToCmm/Ticky.hs - compiler/GHC/StgToJS/Apply.hs - compiler/GHC/StgToJS/Arg.hs - compiler/GHC/StgToJS/Expr.hs - compiler/GHC/StgToJS/FFI.hs - compiler/GHC/StgToJS/Linker/Utils.hs - compiler/GHC/StgToJS/Utils.hs - compiler/GHC/Tc/Deriv.hs - compiler/GHC/Tc/Deriv/Functor.hs - compiler/GHC/Tc/Deriv/Generate.hs - compiler/GHC/Tc/Deriv/Generics.hs - compiler/GHC/Tc/Deriv/Infer.hs - compiler/GHC/Tc/Deriv/Utils.hs - compiler/GHC/Tc/Errors.hs - compiler/GHC/Tc/Errors/Hole.hs - compiler/GHC/Tc/Errors/Ppr.hs - compiler/GHC/Tc/Gen/App.hs - compiler/GHC/Tc/Gen/Arrow.hs - compiler/GHC/Tc/Gen/Bind.hs - compiler/GHC/Tc/Gen/Default.hs - compiler/GHC/Tc/Gen/Export.hs - compiler/GHC/Tc/Gen/Expr.hs - compiler/GHC/Tc/Gen/Foreign.hs - compiler/GHC/Tc/Gen/Head.hs - compiler/GHC/Tc/Gen/HsType.hs - compiler/GHC/Tc/Gen/Match.hs - compiler/GHC/Tc/Gen/Pat.hs - compiler/GHC/Tc/Gen/Sig.hs - compiler/GHC/Tc/Gen/Splice.hs - compiler/GHC/Tc/Instance/Class.hs - compiler/GHC/Tc/Instance/Typeable.hs - compiler/GHC/Tc/Module.hs - compiler/GHC/Tc/Solver/Default.hs - compiler/GHC/Tc/Solver/Dict.hs - compiler/GHC/Tc/Solver/FunDeps.hs - compiler/GHC/Tc/Solver/InertSet.hs - compiler/GHC/Tc/Solver/Monad.hs - compiler/GHC/Tc/Solver/Rewrite.hs - compiler/GHC/Tc/TyCl.hs - compiler/GHC/Tc/TyCl/Build.hs - compiler/GHC/Tc/TyCl/Instance.hs - compiler/GHC/Tc/TyCl/PatSyn.hs - compiler/GHC/Tc/TyCl/Utils.hs - compiler/GHC/Tc/Types.hs - compiler/GHC/Tc/Types/Constraint.hs - compiler/GHC/Tc/Types/Evidence.hs - compiler/GHC/Tc/Types/LclEnv.hs - compiler/GHC/Tc/Types/Origin.hs - compiler/GHC/Tc/Utils/Backpack.hs - compiler/GHC/Tc/Utils/Concrete.hs - compiler/GHC/Tc/Utils/Env.hs - compiler/GHC/Tc/Utils/Instantiate.hs - compiler/GHC/Tc/Utils/Monad.hs - compiler/GHC/Tc/Utils/TcMType.hs - compiler/GHC/Tc/Utils/TcType.hs - compiler/GHC/Tc/Utils/Unify.hs - compiler/GHC/Tc/Validity.hs - compiler/GHC/Tc/Zonk/Type.hs - compiler/GHC/ThToHs.hs - compiler/GHC/Types/DefaultEnv.hs - compiler/GHC/Types/Error/Codes.hs - compiler/GHC/Types/Hint.hs - compiler/GHC/Types/Hint/Ppr.hs - compiler/GHC/Types/Id/Make.hs - compiler/GHC/Types/Literal.hs - compiler/GHC/Types/Name.hs - compiler/GHC/Types/Name/Cache.hs - compiler/GHC/Types/Name/Ppr.hs - compiler/GHC/Types/Name/Reader.hs - compiler/GHC/Types/RepType.hs - compiler/GHC/Types/TyThing.hs - compiler/GHC/Types/Unique.hs - compiler/GHC/Types/Unique/FM.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Unit.hs - compiler/GHC/Unit/External.hs - compiler/GHC/Unit/Module/Deps.hs - compiler/GHC/Unit/Module/ModSummary.hs - compiler/GHC/Unit/State.hs - compiler/GHC/Unit/Types.hs - compiler/GHC/Utils/Binary.hs - − compiler/GHC/Utils/Binary/Typeable.hs - compiler/Language/Haskell/Syntax/Expr.hs - compiler/ghc.cabal.in - docs/users_guide/separate_compilation.rst - ghc/GHCi/UI.hs - ghc/GHCi/UI/Monad.hs - libraries/base/base.cabal.in - libraries/base/src/Control/Applicative.hs - libraries/base/src/Control/Concurrent.hs - libraries/base/src/Control/Concurrent/Chan.hs - libraries/base/src/Control/Concurrent/QSem.hs - libraries/base/src/Control/Concurrent/QSemN.hs - libraries/base/src/Data/Array/Byte.hs - libraries/base/src/Data/Bifoldable.hs - libraries/base/src/Data/Bifoldable1.hs - libraries/base/src/Data/Bifunctor.hs - libraries/base/src/Data/Bitraversable.hs - libraries/base/src/Data/Bool.hs - libraries/base/src/Data/Complex.hs - libraries/base/src/Data/Data.hs - libraries/base/src/Data/Enum.hs - libraries/base/src/Data/Fixed.hs - libraries/base/src/Data/Foldable1.hs - libraries/base/src/Data/Functor/Classes.hs - libraries/base/src/Data/Functor/Compose.hs - libraries/base/src/Data/Functor/Contravariant.hs - libraries/base/src/Data/Functor/Product.hs - libraries/base/src/Data/Functor/Sum.hs - libraries/base/src/Data/List.hs - libraries/base/src/Data/List/NonEmpty.hs - libraries/base/src/Data/List/NubOrdSet.hs - libraries/base/src/Data/Semigroup.hs - libraries/base/src/Data/Version.hs - libraries/base/src/GHC/Base.hs - libraries/base/src/GHC/ByteOrder.hs - + libraries/base/src/GHC/Essentials.hs - libraries/base/src/GHC/Exts.hs - libraries/base/src/GHC/Fingerprint.hs - libraries/base/src/GHC/RTS/Flags.hs - libraries/base/src/GHC/ResponseFile.hs - libraries/base/src/GHC/Stats.hs - libraries/base/src/GHC/Weak/Finalize.hs - libraries/base/src/Numeric.hs - libraries/base/src/Prelude.hs - libraries/base/src/System/CPUTime/Posix/ClockGetTime.hsc - libraries/base/src/System/CPUTime/Posix/RUsage.hsc - libraries/base/src/System/CPUTime/Unsupported.hs - libraries/base/src/System/Console/GetOpt.hs - libraries/base/src/System/Exit.hs - libraries/base/src/System/IO.hs - libraries/base/src/System/IO/OS.hs - libraries/base/src/System/IO/Unsafe.hs - libraries/base/src/System/Info.hs - libraries/base/src/System/Timeout.hs - 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utils/haddock/haddock-api/src/Haddock/Interface/Rename.hs - utils/haddock/haddock-api/src/Haddock/Types.hs The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/9e70bbc7ac8659499da97e3bb6acd48… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/9e70bbc7ac8659499da97e3bb6acd48… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/sjakobi/mr16259] 2 commits: Enter-taggable check: share the report code in a single RTS stub
by Simon Jakobi (＠sjakobi2) 11 Jul '26

11 Jul '26

Simon Jakobi pushed to branch wip/sjakobi/mr16259 at Glasgow Haskell Compiler / GHC Commits: 00a089fb by Simon Jakobi at 2026-07-10T18:23:36+02:00 Enter-taggable check: share the report code in a single RTS stub The check emitted into every taggable constructor's entry code (#23173) was a C call with a per-constructor descr string, which costs both compile time (T1969 +3%) and code size. Since the constructor name and tag are both derivable from the info table, the entry code can instead be a single tail-jump to a shared RTS stub, stg_enteredTaggable, which reports the violation and self-returns the value tagged. T1969 compiler allocations: -2.8%; T18304: -1.4%. Assisted-by: Claude Fable 5 - - - - - 14141caa by Simon Jakobi at 2026-07-10T18:23:36+02:00 Nonmoving GC: retag constructors in the selector shortcut The retag of evaluated constructors in eval_thunk_selector (rts/sm/Evac.c) was missing from its nonmoving counterpart: update_selector_chain installed the untagged value as the indirectee and origin field, violating the enter-taggable invariant (#23173) in nonmoving ways. Mirror the retag at the found-a-value site. Assisted-by: Claude Fable 5 - - - - - 8 changed files: - compiler/GHC/StgToCmm.hs - compiler/GHC/StgToCmm/Utils.hs - rts/RtsMessages.c - rts/RtsSymbols.c - rts/StgMiscClosures.cmm - rts/include/rts/Messages.h - rts/include/stg/MiscClosures.h - rts/sm/NonMovingShortcut.c Changes: ===================================== compiler/GHC/StgToCmm.hs ===================================== @@ -382,9 +382,11 @@ cgDataCon mn data_con ; tickyReturnOldCon (length arg_reps) -- A taggable (small-family) normal form should never be entered: -- every reference to it carries the constructor's pointer tag, so - -- reaching this entry code is an invariant violation. We report it - -- (aborting under +RTS --fatal-enter-taggable, otherwise warning once) - -- and then self-return the value tagged with the constructor tag. + -- reaching this entry code is an invariant violation. We jump to + -- a shared RTS stub that reports it (aborting under +RTS + -- --fatal-enter-taggable, otherwise warning once) and self-returns + -- the value tagged with the constructor tag; sharing the stub keeps + -- the per-constructor entry code to a single tail-jump. -- Larger families have no spare tag, so their values are entered -- as normal and the entry returns them tagged with the -- family-saturating tag. @@ -392,9 +394,9 @@ cgDataCon mn data_con -- LDV profiling relies on it to mark closures as used (ENTER() -- in rts/include/Cmm.h does not shortcut on the tag), so the -- check would fire on every constructor use. - ; when (taggable && not (profileIsProfiling profile)) $ - emitCheckEnteredTaggable (showPprUnsafe data_con) - ; void $ emitReturn - [cmmOffsetB platform node (fromDynTag (tagForCon platform data_con))] + ; if taggable && not (profileIsProfiling profile) + then emitJumpEnteredTaggable node + else void $ emitReturn + [cmmOffsetB platform node (fromDynTag (tagForCon platform data_con))] } } ===================================== compiler/GHC/StgToCmm/Utils.hs ===================================== @@ -10,7 +10,7 @@ module GHC.StgToCmm.Utils ( emitDataLits, emitRODataLits, emitDataCon, - emitRtsCall, emitRtsCallWithResult, emitRtsCallGen, emitCheckEnteredTaggable, + emitRtsCall, emitRtsCallWithResult, emitRtsCallGen, emitJumpEnteredTaggable, emitBarf, assignTemp, newTemp, @@ -193,11 +193,16 @@ emitBarf msg = do -- Call from a taggable normal form's entry code (which the pointer-tagging -- invariant makes unreachable). It aborts under +RTS --fatal-enter-taggable and -- otherwise warns once; the entry then self-returns the tagged value. -emitCheckEnteredTaggable :: String -> FCode () -emitCheckEnteredTaggable con = do - strLbl <- newStringCLit con - emitRtsCall rtsUnitId (fsLit "checkEnteredTaggable") - [(CmmLit strLbl, AddrHint)] False +-- Tail-jump to the RTS's shared entry code for taggable normal forms +-- (stg_enteredTaggable in rts/StgMiscClosures.cmm), which reports the +-- invariant violation and self-returns the value tagged with its +-- constructor tag (both derived from the info table). +emitJumpEnteredTaggable :: CmmExpr -> FCode () +emitJumpEnteredTaggable node = do + profile <- getProfile + updfr_off <- getUpdFrameOff + let lbl = mkCmmCodeLabel rtsUnitId (fsLit "stg_enteredTaggable") + emit (mkJump profile NativeNodeCall (CmmLit (CmmLabel lbl)) [node] updfr_off) emitRtsCall :: UnitId -> FastString -> [(CmmExpr,ForeignHint)] -> Bool -> FCode () emitRtsCall pkg fun = emitRtsCallGen [] (mkCmmCodeLabel pkg fun) CmmMayReturn ===================================== rts/RtsMessages.c ===================================== @@ -98,6 +98,16 @@ checkEnteredTaggable(const char *con) } } +// Backing for stg_enteredTaggable (StgMiscClosures.cmm), the shared entry +// code of taggable normal forms: report the violation and hand back the +// pointer retagged with its constructor tag so the entry can self-return. +StgClosure * +enteredTaggableClosure(StgClosure *p) +{ + checkEnteredTaggable(GET_CON_DESC(get_con_itbl(p))); + return tagConstr(p); +} + void _assertFail(const char*filename, unsigned int linenum) { ===================================== rts/RtsSymbols.c ===================================== @@ -542,7 +542,7 @@ extern char **environ; SymI_HasProto(barf) \ SymI_HasProto(sbarf) \ SymI_HasProto(ssbarf) \ - SymI_HasProto(checkEnteredTaggable) \ + SymI_HasProto(stg_enteredTaggable) \ SymI_HasProto(tagClosureIfConstr) \ SymI_HasProto(startEventLogging) \ SymI_HasProto(endEventLogging) \ ===================================== rts/StgMiscClosures.cmm ===================================== @@ -103,6 +103,19 @@ INFO_TABLE_RET (stg_restore_cccs_eval, RET_SMALL, W_ info_ptr, W_ cccs) jump stg_ap_0_fast(ret); } +/* Shared entry code for taggable normal forms, which the pointer-tagging + invariant makes unreachable: every taggable data constructor's entry code + tail-jumps here (see cgDataCon in GHC.StgToCmm) instead of carrying its own + report call. Reports the violation (aborting under +RTS + --fatal-enter-taggable, otherwise warning once) and self-returns the value + tagged with its constructor tag; name and tag come from the info table. */ +stg_enteredTaggable (P_ node) +{ + P_ tagged; + (tagged) = ccall enteredTaggableClosure(node "ptr"); + return (tagged); +} + /* ---------------------------------------------------------------------------- Support for the bytecode interpreter. ------------------------------------------------------------------------- */ ===================================== rts/include/rts/Messages.h ===================================== @@ -49,11 +49,15 @@ void pbarf(const char *fmt, void *p) void ssbarf(const char *fmt, const char *s) STG_NORETURN; -/* Called from a taggable normal form's entry code (which the pointer-tagging - invariant makes unreachable). Aborts under +RTS --fatal-enter-taggable, otherwise - warns once and lets the entry self-return the tagged value. */ +/* Report that a taggable normal form was entered (its entry code is + unreachable under the pointer-tagging invariant). Aborts under +RTS + --fatal-enter-taggable, otherwise warns once. */ void checkEnteredTaggable(const char *con); +/* Backing for stg_enteredTaggable: report the violation and return the + closure pointer retagged with its constructor tag. */ +StgClosure *enteredTaggableClosure(StgClosure *p); + // declared in Rts.h: // extern void _assertFail(const char *filename, unsigned int linenum) // STG_NORETURN; ===================================== rts/include/stg/MiscClosures.h ===================================== @@ -477,6 +477,7 @@ RTS_FUN_DECL(stg_raiseIOzh); RTS_FUN_DECL(stg_paniczh); RTS_FUN_DECL(stg_keepAlivezh); RTS_FUN_DECL(stg_absentErrorzh); +RTS_FUN_DECL(stg_enteredTaggable); RTS_FUN_DECL(stg_newPromptTagzh); RTS_FUN_DECL(stg_promptzh); ===================================== rts/sm/NonMovingShortcut.c ===================================== @@ -225,6 +225,15 @@ selectee_changed: default: // Found a value, add the current selector to the chain and // update it. + // Re-establish the pointer tag for an evaluated constructor, + // as in eval_thunk_selector (rts/sm/Evac.c): the indirectees + // and the origin field installed by update_selector_chain + // must carry the tag. + ; + const StgInfoTable *val_info = get_itbl(val); + if (val_info->type >= CONSTR && val_info->type <= CONSTR_NOCAF) { + val = TAG_CLOSURE(stg_min(TAG_MASK, 1 + val_info->srt), val); + } p->payload[0] = chain; chain = p; update_selector_chain(chain, origin, p0, val); View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b7a5055e9b30655c650a4fb5dac8c0… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b7a5055e9b30655c650a4fb5dac8c0… You're receiving this email because of your account on gitlab.haskell.org.

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