    {-# LANGUAGE DerivingStrategies         #-}
    {-# LANGUAGE GeneralizedNewtypeDeriving #-}
    {-# LANGUAGE LambdaCase                 #-}

    -----------------------------------------------------------------------------
    -- |
    -- Module      :  GHC.StgToJS.Types
    -- Copyright   :  (c) The University of Glasgow 2001
    -- License     :  BSD-style (see the file LICENSE)
    --
    -- Maintainer  :  Jeffrey Young  <jeffrey.young@iohk.io>
    --                Luite Stegeman <luite.stegeman@iohk.io>
    --                Sylvain Henry  <sylvain.henry@iohk.io>
    --                Josh Meredith  <josh.meredith@iohk.io>
    -- Stability   :  experimental
    --
    --
    -- Module that holds the Types required for the StgToJS pass
    -----------------------------------------------------------------------------

    module GHC.StgToJS.Types where

    import GHC.Prelude

    import GHC.JS.JStg.Syntax
    import GHC.JS.Ident
    import qualified GHC.JS.Syntax as Sat
    import GHC.JS.Make
    import GHC.JS.Ppr () -- expose Outputable instances to downstream modules

    import GHC.Stg.Syntax
    import GHC.Core.TyCon
    import GHC.Linker.Config

    import GHC.Types.Unique
    import GHC.Types.Unique.FM
    import GHC.Types.Var
    import GHC.Types.ForeignCall

    import Control.Monad.Trans.State.Strict
    import GHC.Utils.Outputable (Outputable (..), text, SDocContext)

    import GHC.Data.FastString
    import GHC.Data.FastMutInt

    import GHC.Unit.Module

    import qualified Data.Map as M
    import           Data.Set (Set)
    import qualified Data.ByteString as BS
    import           Data.Monoid
    import           Data.Word

    -- | A State monad over IO holding the generator state.
    type G = StateT GenState IO

    -- | The JS code generator state
    data GenState = GenState
      { GenState -> StgToJSConfig
    gsSettings  :: !StgToJSConfig         -- ^ codegen settings, read-only
      , GenState -> Module
    gsModule    :: !Module                -- ^ current module
      , GenState -> FastMutInt
    gsId        :: {-# UNPACK #-} !FastMutInt -- ^ unique number for the id generator
      , GenState -> IdCache
    gsIdents    :: !IdCache               -- ^ hash consing for identifiers from a Unique
      , GenState -> UniqFM Id CgStgExpr
    gsUnfloated :: !(UniqFM Id CgStgExpr) -- ^ unfloated arguments
      , GenState -> GenGroupState
    gsGroup     :: GenGroupState          -- ^ state for the current binding group
      , GenState -> [JStgStat]
    gsGlobal    :: [JStgStat]             -- ^ global (per module) statements (gets included when anything else from the module is used)
      }

    -- | The JS code generator state relevant for the current binding group
    data GenGroupState = GenGroupState
      { GenGroupState -> [JStgStat]
    ggsToplevelStats :: [JStgStat]     -- ^ extra toplevel statements for the binding group
      , GenGroupState -> [ClosureInfo]
    ggsClosureInfo   :: [ClosureInfo]  -- ^ closure metadata (info tables) for the binding group
      , GenGroupState -> [StaticInfo]
    ggsStatic        :: [StaticInfo]   -- ^ static (CAF) data in our binding group
      , GenGroupState -> [StackSlot]
    ggsStack         :: [StackSlot]    -- ^ stack info for the current expression
      , GenGroupState -> Int
    ggsStackDepth    :: Int            -- ^ current stack depth
      , GenGroupState -> Set OtherSymb
    ggsExtraDeps     :: Set OtherSymb  -- ^ extra dependencies for the linkable unit that contains this group
      , GenGroupState -> GlobalIdCache
    ggsGlobalIdCache :: GlobalIdCache
      , GenGroupState -> [ForeignJSRef]
    ggsForeignRefs   :: [ForeignJSRef]
      }

    -- | The Configuration record for the StgToJS pass
    data StgToJSConfig = StgToJSConfig
      -- flags
      { StgToJSConfig -> Bool
    csInlinePush      :: !Bool
      , StgToJSConfig -> Bool
    csInlineBlackhole :: !Bool
      , StgToJSConfig -> Bool
    csInlineLoadRegs  :: !Bool
      , StgToJSConfig -> Bool
    csInlineEnter     :: !Bool
      , StgToJSConfig -> Bool
    csInlineAlloc     :: !Bool
      , StgToJSConfig -> Bool
    csPrettyRender    :: !Bool
      , StgToJSConfig -> Bool
    csTraceRts        :: !Bool
      , StgToJSConfig -> Bool
    csAssertRts       :: !Bool
      , StgToJSConfig -> Bool
    csBoundsCheck     :: !Bool
      , StgToJSConfig -> Bool
    csDebugAlloc      :: !Bool
      , StgToJSConfig -> Bool
    csTraceForeign    :: !Bool
      , StgToJSConfig -> Bool
    csProf            :: !Bool -- ^ Profiling enabled
      , StgToJSConfig -> Bool
    csRuntimeAssert   :: !Bool -- ^ Enable runtime assertions
      -- settings
      , StgToJSConfig -> SDocContext
    csContext         :: !SDocContext
      , StgToJSConfig -> LinkerConfig
    csLinkerConfig    :: !LinkerConfig -- ^ Emscripten linker
      }

    -- | Information relevenat to code generation for closures.
    data ClosureInfo = ClosureInfo
      { ClosureInfo -> Ident
    ciVar     :: Ident      -- ^ object being infod
      , ClosureInfo -> CIRegs
    ciRegs    :: CIRegs     -- ^ size of the payload (in number of JS values)
      , ClosureInfo -> FastString
    ciName    :: FastString -- ^ friendly name for printing
      , ClosureInfo -> CILayout
    ciLayout  :: CILayout   -- ^ heap/stack layout of the object
      , ClosureInfo -> CIType
    ciType    :: CIType     -- ^ type of the object, with extra info where required
      , ClosureInfo -> CIStatic
    ciStatic  :: CIStatic   -- ^ static references of this object
      }
      deriving stock (ClosureInfo -> ClosureInfo -> Bool
    (ClosureInfo -> ClosureInfo -> Bool)
    -> (ClosureInfo -> ClosureInfo -> Bool) -> Eq ClosureInfo
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ClosureInfo -> ClosureInfo -> Bool
    == :: ClosureInfo -> ClosureInfo -> Bool
    $c/= :: ClosureInfo -> ClosureInfo -> Bool
    /= :: ClosureInfo -> ClosureInfo -> Bool
    Eq, Int -> ClosureInfo -> ShowS
    [ClosureInfo] -> ShowS
    ClosureInfo -> String
    (Int -> ClosureInfo -> ShowS)
    -> (ClosureInfo -> String)
    -> ([ClosureInfo] -> ShowS)
    -> Show ClosureInfo
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> ClosureInfo -> ShowS
    showsPrec :: Int -> ClosureInfo -> ShowS
    $cshow :: ClosureInfo -> String
    show :: ClosureInfo -> String
    $cshowList :: [ClosureInfo] -> ShowS
    showList :: [ClosureInfo] -> ShowS
    Show)

    -- | Closure information, 'ClosureInfo', registers
    data CIRegs
      = CIRegsUnknown                     -- ^ A value witnessing a state of unknown registers
      | CIRegs { CIRegs -> Int
    ciRegsSkip  :: Int       -- ^ unused registers before actual args start
               , CIRegs -> [JSRep]
    ciRegsTypes :: [JSRep]   -- ^ args
               }
      deriving stock (CIRegs -> CIRegs -> Bool
    (CIRegs -> CIRegs -> Bool)
    -> (CIRegs -> CIRegs -> Bool) -> Eq CIRegs
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: CIRegs -> CIRegs -> Bool
    == :: CIRegs -> CIRegs -> Bool
    $c/= :: CIRegs -> CIRegs -> Bool
    /= :: CIRegs -> CIRegs -> Bool
    Eq, Eq CIRegs
    Eq CIRegs =>
    (CIRegs -> CIRegs -> Ordering)
    -> (CIRegs -> CIRegs -> Bool)
    -> (CIRegs -> CIRegs -> Bool)
    -> (CIRegs -> CIRegs -> Bool)
    -> (CIRegs -> CIRegs -> Bool)
    -> (CIRegs -> CIRegs -> CIRegs)
    -> (CIRegs -> CIRegs -> CIRegs)
    -> Ord CIRegs
    CIRegs -> CIRegs -> Bool
    CIRegs -> CIRegs -> Ordering
    CIRegs -> CIRegs -> CIRegs
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: CIRegs -> CIRegs -> Ordering
    compare :: CIRegs -> CIRegs -> Ordering
    $c< :: CIRegs -> CIRegs -> Bool
    < :: CIRegs -> CIRegs -> Bool
    $c<= :: CIRegs -> CIRegs -> Bool
    <= :: CIRegs -> CIRegs -> Bool
    $c> :: CIRegs -> CIRegs -> Bool
    > :: CIRegs -> CIRegs -> Bool
    $c>= :: CIRegs -> CIRegs -> Bool
    >= :: CIRegs -> CIRegs -> Bool
    $cmax :: CIRegs -> CIRegs -> CIRegs
    max :: CIRegs -> CIRegs -> CIRegs
    $cmin :: CIRegs -> CIRegs -> CIRegs
    min :: CIRegs -> CIRegs -> CIRegs
    Ord, Int -> CIRegs -> ShowS
    [CIRegs] -> ShowS
    CIRegs -> String
    (Int -> CIRegs -> ShowS)
    -> (CIRegs -> String) -> ([CIRegs] -> ShowS) -> Show CIRegs
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> CIRegs -> ShowS
    showsPrec :: Int -> CIRegs -> ShowS
    $cshow :: CIRegs -> String
    show :: CIRegs -> String
    $cshowList :: [CIRegs] -> ShowS
    showList :: [CIRegs] -> ShowS
    Show)

    -- | Closure Information, 'ClosureInfo', layout
    data CILayout
      = CILayoutVariable            -- ^ layout stored in object itself, first position from the start
      | CILayoutUnknown             -- ^ fixed size, but content unknown (for example stack apply frame)
          { CILayout -> Int
    layoutSize :: !Int
          }
      | CILayoutFixed               -- ^ whole layout known
          { layoutSize :: !Int      -- ^ closure size in array positions, including entry
          , CILayout -> [JSRep]
    layout     :: [JSRep]   -- ^ The list of JSReps to layout
          }
      deriving stock (CILayout -> CILayout -> Bool
    (CILayout -> CILayout -> Bool)
    -> (CILayout -> CILayout -> Bool) -> Eq CILayout
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: CILayout -> CILayout -> Bool
    == :: CILayout -> CILayout -> Bool
    $c/= :: CILayout -> CILayout -> Bool
    /= :: CILayout -> CILayout -> Bool
    Eq, Eq CILayout
    Eq CILayout =>
    (CILayout -> CILayout -> Ordering)
    -> (CILayout -> CILayout -> Bool)
    -> (CILayout -> CILayout -> Bool)
    -> (CILayout -> CILayout -> Bool)
    -> (CILayout -> CILayout -> Bool)
    -> (CILayout -> CILayout -> CILayout)
    -> (CILayout -> CILayout -> CILayout)
    -> Ord CILayout
    CILayout -> CILayout -> Bool
    CILayout -> CILayout -> Ordering
    CILayout -> CILayout -> CILayout
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: CILayout -> CILayout -> Ordering
    compare :: CILayout -> CILayout -> Ordering
    $c< :: CILayout -> CILayout -> Bool
    < :: CILayout -> CILayout -> Bool
    $c<= :: CILayout -> CILayout -> Bool
    <= :: CILayout -> CILayout -> Bool
    $c> :: CILayout -> CILayout -> Bool
    > :: CILayout -> CILayout -> Bool
    $c>= :: CILayout -> CILayout -> Bool
    >= :: CILayout -> CILayout -> Bool
    $cmax :: CILayout -> CILayout -> CILayout
    max :: CILayout -> CILayout -> CILayout
    $cmin :: CILayout -> CILayout -> CILayout
    min :: CILayout -> CILayout -> CILayout
    Ord, Int -> CILayout -> ShowS
    [CILayout] -> ShowS
    CILayout -> String
    (Int -> CILayout -> ShowS)
    -> (CILayout -> String) -> ([CILayout] -> ShowS) -> Show CILayout
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> CILayout -> ShowS
    showsPrec :: Int -> CILayout -> ShowS
    $cshow :: CILayout -> String
    show :: CILayout -> String
    $cshowList :: [CILayout] -> ShowS
    showList :: [CILayout] -> ShowS
    Show)

    -- | The type of 'ClosureInfo'
    data CIType
      = CIFun { CIType -> Int
    citArity :: !Int         -- ^ function arity
              , CIType -> Int
    citRegs  :: !Int         -- ^ number of registers for the args
              }
      | CIThunk                          -- ^ The closure is a THUNK
      | CICon { CIType -> Int
    citConstructor :: !Int } -- ^ The closure is a Constructor
      | CIPap                            -- ^ The closure is a Partial Application
      | CIBlackhole                      -- ^ The closure is a black hole
      | CIStackFrame                     -- ^ The closure is a stack frame
      deriving stock (CIType -> CIType -> Bool
    (CIType -> CIType -> Bool)
    -> (CIType -> CIType -> Bool) -> Eq CIType
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: CIType -> CIType -> Bool
    == :: CIType -> CIType -> Bool
    $c/= :: CIType -> CIType -> Bool
    /= :: CIType -> CIType -> Bool
    Eq, Eq CIType
    Eq CIType =>
    (CIType -> CIType -> Ordering)
    -> (CIType -> CIType -> Bool)
    -> (CIType -> CIType -> Bool)
    -> (CIType -> CIType -> Bool)
    -> (CIType -> CIType -> Bool)
    -> (CIType -> CIType -> CIType)
    -> (CIType -> CIType -> CIType)
    -> Ord CIType
    CIType -> CIType -> Bool
    CIType -> CIType -> Ordering
    CIType -> CIType -> CIType
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: CIType -> CIType -> Ordering
    compare :: CIType -> CIType -> Ordering
    $c< :: CIType -> CIType -> Bool
    < :: CIType -> CIType -> Bool
    $c<= :: CIType -> CIType -> Bool
    <= :: CIType -> CIType -> Bool
    $c> :: CIType -> CIType -> Bool
    > :: CIType -> CIType -> Bool
    $c>= :: CIType -> CIType -> Bool
    >= :: CIType -> CIType -> Bool
    $cmax :: CIType -> CIType -> CIType
    max :: CIType -> CIType -> CIType
    $cmin :: CIType -> CIType -> CIType
    min :: CIType -> CIType -> CIType
    Ord, Int -> CIType -> ShowS
    [CIType] -> ShowS
    CIType -> String
    (Int -> CIType -> ShowS)
    -> (CIType -> String) -> ([CIType] -> ShowS) -> Show CIType
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> CIType -> ShowS
    showsPrec :: Int -> CIType -> ShowS
    $cshow :: CIType -> String
    show :: CIType -> String
    $cshowList :: [CIType] -> ShowS
    showList :: [CIType] -> ShowS
    Show)

    -- | Static references that must be kept alive
    newtype CIStatic = CIStaticRefs { CIStatic -> [FastString]
    staticRefs :: [FastString] }
      deriving stock   (CIStatic -> CIStatic -> Bool
    (CIStatic -> CIStatic -> Bool)
    -> (CIStatic -> CIStatic -> Bool) -> Eq CIStatic
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: CIStatic -> CIStatic -> Bool
    == :: CIStatic -> CIStatic -> Bool
    $c/= :: CIStatic -> CIStatic -> Bool
    /= :: CIStatic -> CIStatic -> Bool
    Eq)
      deriving newtype (NonEmpty CIStatic -> CIStatic
    CIStatic -> CIStatic -> CIStatic
    (CIStatic -> CIStatic -> CIStatic)
    -> (NonEmpty CIStatic -> CIStatic)
    -> (forall b. Integral b => b -> CIStatic -> CIStatic)
    -> Semigroup CIStatic
    forall b. Integral b => b -> CIStatic -> CIStatic
    forall a.
    (a -> a -> a)
    -> (NonEmpty a -> a)
    -> (forall b. Integral b => b -> a -> a)
    -> Semigroup a
    $c<> :: CIStatic -> CIStatic -> CIStatic
    <> :: CIStatic -> CIStatic -> CIStatic
    $csconcat :: NonEmpty CIStatic -> CIStatic
    sconcat :: NonEmpty CIStatic -> CIStatic
    $cstimes :: forall b. Integral b => b -> CIStatic -> CIStatic
    stimes :: forall b. Integral b => b -> CIStatic -> CIStatic
    Semigroup, Semigroup CIStatic
    CIStatic
    Semigroup CIStatic =>
    CIStatic
    -> (CIStatic -> CIStatic -> CIStatic)
    -> ([CIStatic] -> CIStatic)
    -> Monoid CIStatic
    [CIStatic] -> CIStatic
    CIStatic -> CIStatic -> CIStatic
    forall a.
    Semigroup a =>
    a -> (a -> a -> a) -> ([a] -> a) -> Monoid a
    $cmempty :: CIStatic
    mempty :: CIStatic
    $cmappend :: CIStatic -> CIStatic -> CIStatic
    mappend :: CIStatic -> CIStatic -> CIStatic
    $cmconcat :: [CIStatic] -> CIStatic
    mconcat :: [CIStatic] -> CIStatic
    Monoid, Int -> CIStatic -> ShowS
    [CIStatic] -> ShowS
    CIStatic -> String
    (Int -> CIStatic -> ShowS)
    -> (CIStatic -> String) -> ([CIStatic] -> ShowS) -> Show CIStatic
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> CIStatic -> ShowS
    showsPrec :: Int -> CIStatic -> ShowS
    $cshow :: CIStatic -> String
    show :: CIStatic -> String
    $cshowList :: [CIStatic] -> ShowS
    showList :: [CIStatic] -> ShowS
    Show)

    -- | static refs: array = references, null = nothing to report
    --   note: only works after all top-level objects have been created
    instance ToJExpr CIStatic where
      toJExpr :: CIStatic -> JStgExpr
    toJExpr (CIStaticRefs [])  = JStgExpr
    null_ -- [je| null |]
      toJExpr (CIStaticRefs [FastString]
    rs)  = [Ident] -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr ((FastString -> Ident) -> [FastString] -> [Ident]
    forall a b. (a -> b) -> [a] -> [b]
    map FastString -> Ident
    global [FastString]
    rs)

    -- | JS primitive representations
    data JSRep
      = PtrV     -- ^ pointer = reference to heap object (closure object), lifted or not.
                 -- Can also be some RTS object (e.g. TVar#, MVar#, MutVar#, Weak#)
      | VoidV    -- ^ no fields
      | DoubleV  -- ^ A Double: one field
      | IntV     -- ^ An Int (32bit because JS): one field
      | LongV    -- ^ A Long: two fields one for the upper 32bits, one for the lower (NB: JS is little endian)
      | AddrV    -- ^ a pointer not to the heap: two fields, array + index
      | ObjV     -- ^ some JS object, user supplied, be careful around these, can be anything
      | ArrV     -- ^ boxed array
      deriving stock (JSRep -> JSRep -> Bool
    (JSRep -> JSRep -> Bool) -> (JSRep -> JSRep -> Bool) -> Eq JSRep
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: JSRep -> JSRep -> Bool
    == :: JSRep -> JSRep -> Bool
    $c/= :: JSRep -> JSRep -> Bool
    /= :: JSRep -> JSRep -> Bool
    Eq, Eq JSRep
    Eq JSRep =>
    (JSRep -> JSRep -> Ordering)
    -> (JSRep -> JSRep -> Bool)
    -> (JSRep -> JSRep -> Bool)
    -> (JSRep -> JSRep -> Bool)
    -> (JSRep -> JSRep -> Bool)
    -> (JSRep -> JSRep -> JSRep)
    -> (JSRep -> JSRep -> JSRep)
    -> Ord JSRep
    JSRep -> JSRep -> Bool
    JSRep -> JSRep -> Ordering
    JSRep -> JSRep -> JSRep
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: JSRep -> JSRep -> Ordering
    compare :: JSRep -> JSRep -> Ordering
    $c< :: JSRep -> JSRep -> Bool
    < :: JSRep -> JSRep -> Bool
    $c<= :: JSRep -> JSRep -> Bool
    <= :: JSRep -> JSRep -> Bool
    $c> :: JSRep -> JSRep -> Bool
    > :: JSRep -> JSRep -> Bool
    $c>= :: JSRep -> JSRep -> Bool
    >= :: JSRep -> JSRep -> Bool
    $cmax :: JSRep -> JSRep -> JSRep
    max :: JSRep -> JSRep -> JSRep
    $cmin :: JSRep -> JSRep -> JSRep
    min :: JSRep -> JSRep -> JSRep
    Ord, Int -> JSRep
    JSRep -> Int
    JSRep -> [JSRep]
    JSRep -> JSRep
    JSRep -> JSRep -> [JSRep]
    JSRep -> JSRep -> JSRep -> [JSRep]
    (JSRep -> JSRep)
    -> (JSRep -> JSRep)
    -> (Int -> JSRep)
    -> (JSRep -> Int)
    -> (JSRep -> [JSRep])
    -> (JSRep -> JSRep -> [JSRep])
    -> (JSRep -> JSRep -> [JSRep])
    -> (JSRep -> JSRep -> JSRep -> [JSRep])
    -> Enum JSRep
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: JSRep -> JSRep
    succ :: JSRep -> JSRep
    $cpred :: JSRep -> JSRep
    pred :: JSRep -> JSRep
    $ctoEnum :: Int -> JSRep
    toEnum :: Int -> JSRep
    $cfromEnum :: JSRep -> Int
    fromEnum :: JSRep -> Int
    $cenumFrom :: JSRep -> [JSRep]
    enumFrom :: JSRep -> [JSRep]
    $cenumFromThen :: JSRep -> JSRep -> [JSRep]
    enumFromThen :: JSRep -> JSRep -> [JSRep]
    $cenumFromTo :: JSRep -> JSRep -> [JSRep]
    enumFromTo :: JSRep -> JSRep -> [JSRep]
    $cenumFromThenTo :: JSRep -> JSRep -> JSRep -> [JSRep]
    enumFromThenTo :: JSRep -> JSRep -> JSRep -> [JSRep]
    Enum, JSRep
    JSRep -> JSRep -> Bounded JSRep
    forall a. a -> a -> Bounded a
    $cminBound :: JSRep
    minBound :: JSRep
    $cmaxBound :: JSRep
    maxBound :: JSRep
    Bounded, Int -> JSRep -> ShowS
    [JSRep] -> ShowS
    JSRep -> String
    (Int -> JSRep -> ShowS)
    -> (JSRep -> String) -> ([JSRep] -> ShowS) -> Show JSRep
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> JSRep -> ShowS
    showsPrec :: Int -> JSRep -> ShowS
    $cshow :: JSRep -> String
    show :: JSRep -> String
    $cshowList :: [JSRep] -> ShowS
    showList :: [JSRep] -> ShowS
    Show)

    instance ToJExpr JSRep where
      toJExpr :: JSRep -> JStgExpr
    toJExpr = Int -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr (Int -> JStgExpr) -> (JSRep -> Int) -> JSRep -> JStgExpr
    forall b c a. (b -> c) -> (a -> b) -> a -> c
    . JSRep -> Int
    forall a. Enum a => a -> Int
    fromEnum

    -- | The type of identifiers. These determine the suffix of generated functions
    -- in JS Land. For example, the entry function for the 'Just' constructor is a
    -- 'IdConEntry' which compiles to:
    -- @
    -- function h$ghczminternalZCGHCziInternalziMaybeziJust_con_e() { return h$rs() };
    -- @
    -- which just returns whatever the stack point is pointing to. Whereas the entry
    -- function to 'Just' is an 'IdEntry' and does the work. It compiles to:
    -- @
    -- function h$ghczminternalZCGHCziInternalziMaybeziJust_e() {
    --    var h$$baseZCGHCziMaybezieta_8KXnScrCjF5 = h$r2;
    --    h$r1 = h$c1(h$ghczminternalZCGHCziInternalziMaybeziJust_con_e, h$$ghczminternalZCGHCziInternalziMaybezieta_8KXnScrCjF5);
    --    return h$rs();
    --    };
    -- @
    -- Which loads some payload from register 2, and applies the Constructor Entry
    -- function for the Just to the payload, returns the result in register 1 and
    -- returns whatever is on top of the stack
    data IdType
      = IdPlain     -- ^ A plain identifier for values, no suffix added
      | IdEntry     -- ^ An entry function, suffix = "_e" in 'GHC.StgToJS.Ids.makeIdentForId'
      | IdConEntry  -- ^ A Constructor entry function, suffix = "_con_e" in 'GHC.StgToJS.Ids.makeIdentForId'
      deriving (Int -> IdType
    IdType -> Int
    IdType -> [IdType]
    IdType -> IdType
    IdType -> IdType -> [IdType]
    IdType -> IdType -> IdType -> [IdType]
    (IdType -> IdType)
    -> (IdType -> IdType)
    -> (Int -> IdType)
    -> (IdType -> Int)
    -> (IdType -> [IdType])
    -> (IdType -> IdType -> [IdType])
    -> (IdType -> IdType -> [IdType])
    -> (IdType -> IdType -> IdType -> [IdType])
    -> Enum IdType
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: IdType -> IdType
    succ :: IdType -> IdType
    $cpred :: IdType -> IdType
    pred :: IdType -> IdType
    $ctoEnum :: Int -> IdType
    toEnum :: Int -> IdType
    $cfromEnum :: IdType -> Int
    fromEnum :: IdType -> Int
    $cenumFrom :: IdType -> [IdType]
    enumFrom :: IdType -> [IdType]
    $cenumFromThen :: IdType -> IdType -> [IdType]
    enumFromThen :: IdType -> IdType -> [IdType]
    $cenumFromTo :: IdType -> IdType -> [IdType]
    enumFromTo :: IdType -> IdType -> [IdType]
    $cenumFromThenTo :: IdType -> IdType -> IdType -> [IdType]
    enumFromThenTo :: IdType -> IdType -> IdType -> [IdType]
    Enum, IdType -> IdType -> Bool
    (IdType -> IdType -> Bool)
    -> (IdType -> IdType -> Bool) -> Eq IdType
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: IdType -> IdType -> Bool
    == :: IdType -> IdType -> Bool
    $c/= :: IdType -> IdType -> Bool
    /= :: IdType -> IdType -> Bool
    Eq, Eq IdType
    Eq IdType =>
    (IdType -> IdType -> Ordering)
    -> (IdType -> IdType -> Bool)
    -> (IdType -> IdType -> Bool)
    -> (IdType -> IdType -> Bool)
    -> (IdType -> IdType -> Bool)
    -> (IdType -> IdType -> IdType)
    -> (IdType -> IdType -> IdType)
    -> Ord IdType
    IdType -> IdType -> Bool
    IdType -> IdType -> Ordering
    IdType -> IdType -> IdType
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: IdType -> IdType -> Ordering
    compare :: IdType -> IdType -> Ordering
    $c< :: IdType -> IdType -> Bool
    < :: IdType -> IdType -> Bool
    $c<= :: IdType -> IdType -> Bool
    <= :: IdType -> IdType -> Bool
    $c> :: IdType -> IdType -> Bool
    > :: IdType -> IdType -> Bool
    $c>= :: IdType -> IdType -> Bool
    >= :: IdType -> IdType -> Bool
    $cmax :: IdType -> IdType -> IdType
    max :: IdType -> IdType -> IdType
    $cmin :: IdType -> IdType -> IdType
    min :: IdType -> IdType -> IdType
    Ord)

    -- | Keys to differentiate Ident's in the ID Cache
    data IdKey
      = IdKey !Word64 !Int !IdType
      deriving (IdKey -> IdKey -> Bool
    (IdKey -> IdKey -> Bool) -> (IdKey -> IdKey -> Bool) -> Eq IdKey
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: IdKey -> IdKey -> Bool
    == :: IdKey -> IdKey -> Bool
    $c/= :: IdKey -> IdKey -> Bool
    /= :: IdKey -> IdKey -> Bool
    Eq, Eq IdKey
    Eq IdKey =>
    (IdKey -> IdKey -> Ordering)
    -> (IdKey -> IdKey -> Bool)
    -> (IdKey -> IdKey -> Bool)
    -> (IdKey -> IdKey -> Bool)
    -> (IdKey -> IdKey -> Bool)
    -> (IdKey -> IdKey -> IdKey)
    -> (IdKey -> IdKey -> IdKey)
    -> Ord IdKey
    IdKey -> IdKey -> Bool
    IdKey -> IdKey -> Ordering
    IdKey -> IdKey -> IdKey
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: IdKey -> IdKey -> Ordering
    compare :: IdKey -> IdKey -> Ordering
    $c< :: IdKey -> IdKey -> Bool
    < :: IdKey -> IdKey -> Bool
    $c<= :: IdKey -> IdKey -> Bool
    <= :: IdKey -> IdKey -> Bool
    $c> :: IdKey -> IdKey -> Bool
    > :: IdKey -> IdKey -> Bool
    $c>= :: IdKey -> IdKey -> Bool
    >= :: IdKey -> IdKey -> Bool
    $cmax :: IdKey -> IdKey -> IdKey
    max :: IdKey -> IdKey -> IdKey
    $cmin :: IdKey -> IdKey -> IdKey
    min :: IdKey -> IdKey -> IdKey
    Ord)

    -- | Some other symbol
    data OtherSymb
      = OtherSymb !Module !FastString
      deriving OtherSymb -> OtherSymb -> Bool
    (OtherSymb -> OtherSymb -> Bool)
    -> (OtherSymb -> OtherSymb -> Bool) -> Eq OtherSymb
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: OtherSymb -> OtherSymb -> Bool
    == :: OtherSymb -> OtherSymb -> Bool
    $c/= :: OtherSymb -> OtherSymb -> Bool
    /= :: OtherSymb -> OtherSymb -> Bool
    Eq

    instance Ord OtherSymb where
      compare :: OtherSymb -> OtherSymb -> Ordering
    compare (OtherSymb Module
    m1 FastString
    t1) (OtherSymb Module
    m2 FastString
    t2)
        = Module -> Module -> Ordering
    stableModuleCmp Module
    m1 Module
    m2 Ordering -> Ordering -> Ordering
    forall a. Semigroup a => a -> a -> a
    <> FastString -> FastString -> Ordering
    lexicalCompareFS FastString
    t1 FastString
    t2

    -- | The identifier cache indexed on 'IdKey' local to a module
    newtype IdCache = IdCache (M.Map IdKey Ident)

    -- | The global Identifier Cache
    newtype GlobalIdCache = GlobalIdCache (UniqFM Ident (IdKey, Id))

    -- | A Stack Slot is either known or unknown. We avoid maybe here for more
    -- strictness.
    data StackSlot
      = SlotId !Id !Int
      | SlotUnknown
      deriving (StackSlot -> StackSlot -> Bool
    (StackSlot -> StackSlot -> Bool)
    -> (StackSlot -> StackSlot -> Bool) -> Eq StackSlot
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StackSlot -> StackSlot -> Bool
    == :: StackSlot -> StackSlot -> Bool
    $c/= :: StackSlot -> StackSlot -> Bool
    /= :: StackSlot -> StackSlot -> Bool
    Eq, Eq StackSlot
    Eq StackSlot =>
    (StackSlot -> StackSlot -> Ordering)
    -> (StackSlot -> StackSlot -> Bool)
    -> (StackSlot -> StackSlot -> Bool)
    -> (StackSlot -> StackSlot -> Bool)
    -> (StackSlot -> StackSlot -> Bool)
    -> (StackSlot -> StackSlot -> StackSlot)
    -> (StackSlot -> StackSlot -> StackSlot)
    -> Ord StackSlot
    StackSlot -> StackSlot -> Bool
    StackSlot -> StackSlot -> Ordering
    StackSlot -> StackSlot -> StackSlot
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: StackSlot -> StackSlot -> Ordering
    compare :: StackSlot -> StackSlot -> Ordering
    $c< :: StackSlot -> StackSlot -> Bool
    < :: StackSlot -> StackSlot -> Bool
    $c<= :: StackSlot -> StackSlot -> Bool
    <= :: StackSlot -> StackSlot -> Bool
    $c> :: StackSlot -> StackSlot -> Bool
    > :: StackSlot -> StackSlot -> Bool
    $c>= :: StackSlot -> StackSlot -> Bool
    >= :: StackSlot -> StackSlot -> Bool
    $cmax :: StackSlot -> StackSlot -> StackSlot
    max :: StackSlot -> StackSlot -> StackSlot
    $cmin :: StackSlot -> StackSlot -> StackSlot
    min :: StackSlot -> StackSlot -> StackSlot
    Ord)

    data StaticInfo = StaticInfo
      { StaticInfo -> FastString
    siVar    :: !FastString    -- ^ global object
      , StaticInfo -> StaticVal
    siVal    :: !StaticVal     -- ^ static initialization
      , StaticInfo -> Maybe Ident
    siCC     :: !(Maybe Ident) -- ^ optional CCS name
      } deriving stock (StaticInfo -> StaticInfo -> Bool
    (StaticInfo -> StaticInfo -> Bool)
    -> (StaticInfo -> StaticInfo -> Bool) -> Eq StaticInfo
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StaticInfo -> StaticInfo -> Bool
    == :: StaticInfo -> StaticInfo -> Bool
    $c/= :: StaticInfo -> StaticInfo -> Bool
    /= :: StaticInfo -> StaticInfo -> Bool
    Eq, Int -> StaticInfo -> ShowS
    [StaticInfo] -> ShowS
    StaticInfo -> String
    (Int -> StaticInfo -> ShowS)
    -> (StaticInfo -> String)
    -> ([StaticInfo] -> ShowS)
    -> Show StaticInfo
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> StaticInfo -> ShowS
    showsPrec :: Int -> StaticInfo -> ShowS
    $cshow :: StaticInfo -> String
    show :: StaticInfo -> String
    $cshowList :: [StaticInfo] -> ShowS
    showList :: [StaticInfo] -> ShowS
    Show)

    data StaticVal
      = StaticFun     !FastString [StaticArg]
        -- ^ heap object for function
      | StaticThunk   !(Maybe (FastString,[StaticArg]))
        -- ^ heap object for CAF (field is Nothing when thunk is initialized in an
        -- alternative way, like string thunks through h$str)
      | StaticUnboxed !StaticUnboxed
        -- ^ unboxed constructor (Bool, Int, Double etc)
      | StaticData    !FastString [StaticArg]
        -- ^ regular datacon app
      | StaticList    [StaticArg] (Maybe FastString)
        -- ^ list initializer (with optional tail)
      deriving stock (StaticVal -> StaticVal -> Bool
    (StaticVal -> StaticVal -> Bool)
    -> (StaticVal -> StaticVal -> Bool) -> Eq StaticVal
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StaticVal -> StaticVal -> Bool
    == :: StaticVal -> StaticVal -> Bool
    $c/= :: StaticVal -> StaticVal -> Bool
    /= :: StaticVal -> StaticVal -> Bool
    Eq, Int -> StaticVal -> ShowS
    [StaticVal] -> ShowS
    StaticVal -> String
    (Int -> StaticVal -> ShowS)
    -> (StaticVal -> String)
    -> ([StaticVal] -> ShowS)
    -> Show StaticVal
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> StaticVal -> ShowS
    showsPrec :: Int -> StaticVal -> ShowS
    $cshow :: StaticVal -> String
    show :: StaticVal -> String
    $cshowList :: [StaticVal] -> ShowS
    showList :: [StaticVal] -> ShowS
    Show)

    data StaticUnboxed
      = StaticUnboxedBool         !Bool
      | StaticUnboxedInt          !Integer
      | StaticUnboxedDouble       !SaneDouble
      | StaticUnboxedString       !BS.ByteString
      | StaticUnboxedStringOffset !BS.ByteString
      deriving stock (StaticUnboxed -> StaticUnboxed -> Bool
    (StaticUnboxed -> StaticUnboxed -> Bool)
    -> (StaticUnboxed -> StaticUnboxed -> Bool) -> Eq StaticUnboxed
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StaticUnboxed -> StaticUnboxed -> Bool
    == :: StaticUnboxed -> StaticUnboxed -> Bool
    $c/= :: StaticUnboxed -> StaticUnboxed -> Bool
    /= :: StaticUnboxed -> StaticUnboxed -> Bool
    Eq, Eq StaticUnboxed
    Eq StaticUnboxed =>
    (StaticUnboxed -> StaticUnboxed -> Ordering)
    -> (StaticUnboxed -> StaticUnboxed -> Bool)
    -> (StaticUnboxed -> StaticUnboxed -> Bool)
    -> (StaticUnboxed -> StaticUnboxed -> Bool)
    -> (StaticUnboxed -> StaticUnboxed -> Bool)
    -> (StaticUnboxed -> StaticUnboxed -> StaticUnboxed)
    -> (StaticUnboxed -> StaticUnboxed -> StaticUnboxed)
    -> Ord StaticUnboxed
    StaticUnboxed -> StaticUnboxed -> Bool
    StaticUnboxed -> StaticUnboxed -> Ordering
    StaticUnboxed -> StaticUnboxed -> StaticUnboxed
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: StaticUnboxed -> StaticUnboxed -> Ordering
    compare :: StaticUnboxed -> StaticUnboxed -> Ordering
    $c< :: StaticUnboxed -> StaticUnboxed -> Bool
    < :: StaticUnboxed -> StaticUnboxed -> Bool
    $c<= :: StaticUnboxed -> StaticUnboxed -> Bool
    <= :: StaticUnboxed -> StaticUnboxed -> Bool
    $c> :: StaticUnboxed -> StaticUnboxed -> Bool
    > :: StaticUnboxed -> StaticUnboxed -> Bool
    $c>= :: StaticUnboxed -> StaticUnboxed -> Bool
    >= :: StaticUnboxed -> StaticUnboxed -> Bool
    $cmax :: StaticUnboxed -> StaticUnboxed -> StaticUnboxed
    max :: StaticUnboxed -> StaticUnboxed -> StaticUnboxed
    $cmin :: StaticUnboxed -> StaticUnboxed -> StaticUnboxed
    min :: StaticUnboxed -> StaticUnboxed -> StaticUnboxed
    Ord, Int -> StaticUnboxed -> ShowS
    [StaticUnboxed] -> ShowS
    StaticUnboxed -> String
    (Int -> StaticUnboxed -> ShowS)
    -> (StaticUnboxed -> String)
    -> ([StaticUnboxed] -> ShowS)
    -> Show StaticUnboxed
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> StaticUnboxed -> ShowS
    showsPrec :: Int -> StaticUnboxed -> ShowS
    $cshow :: StaticUnboxed -> String
    show :: StaticUnboxed -> String
    $cshowList :: [StaticUnboxed] -> ShowS
    showList :: [StaticUnboxed] -> ShowS
    Show)

    -- | Static Arguments. Static Arguments are things that are statically
    -- allocated, i.e., they exist at program startup. These are static heap objects
    -- or literals or things that have been floated to the top level binding by ghc.
    data StaticArg
      = StaticObjArg !FastString             -- ^ reference to a heap object
      | StaticLitArg !StaticLit              -- ^ literal
      | StaticConArg !FastString [StaticArg] -- ^ unfloated constructor
      deriving stock (StaticArg -> StaticArg -> Bool
    (StaticArg -> StaticArg -> Bool)
    -> (StaticArg -> StaticArg -> Bool) -> Eq StaticArg
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StaticArg -> StaticArg -> Bool
    == :: StaticArg -> StaticArg -> Bool
    $c/= :: StaticArg -> StaticArg -> Bool
    /= :: StaticArg -> StaticArg -> Bool
    Eq, Int -> StaticArg -> ShowS
    [StaticArg] -> ShowS
    StaticArg -> String
    (Int -> StaticArg -> ShowS)
    -> (StaticArg -> String)
    -> ([StaticArg] -> ShowS)
    -> Show StaticArg
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> StaticArg -> ShowS
    showsPrec :: Int -> StaticArg -> ShowS
    $cshow :: StaticArg -> String
    show :: StaticArg -> String
    $cshowList :: [StaticArg] -> ShowS
    showList :: [StaticArg] -> ShowS
    Show)

    instance Outputable StaticArg where
      ppr :: StaticArg -> SDoc
    ppr StaticArg
    x = String -> SDoc
    forall doc. IsLine doc => String -> doc
    text (StaticArg -> String
    forall a. Show a => a -> String
    show StaticArg
    x)

    -- | A Static literal value
    data StaticLit
      = BoolLit   !Bool
      | IntLit    !Integer
      | NullLit
      | DoubleLit !SaneDouble -- should we actually use double here?
      | StringLit !FastString
      | BinLit    !BS.ByteString
      | LabelLit  !Bool !FastString -- ^ is function pointer, label (also used for string / binary init)
      deriving (StaticLit -> StaticLit -> Bool
    (StaticLit -> StaticLit -> Bool)
    -> (StaticLit -> StaticLit -> Bool) -> Eq StaticLit
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: StaticLit -> StaticLit -> Bool
    == :: StaticLit -> StaticLit -> Bool
    $c/= :: StaticLit -> StaticLit -> Bool
    /= :: StaticLit -> StaticLit -> Bool
    Eq, Int -> StaticLit -> ShowS
    [StaticLit] -> ShowS
    StaticLit -> String
    (Int -> StaticLit -> ShowS)
    -> (StaticLit -> String)
    -> ([StaticLit] -> ShowS)
    -> Show StaticLit
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> StaticLit -> ShowS
    showsPrec :: Int -> StaticLit -> ShowS
    $cshow :: StaticLit -> String
    show :: StaticLit -> String
    $cshowList :: [StaticLit] -> ShowS
    showList :: [StaticLit] -> ShowS
    Show)

    instance Outputable StaticLit where
      ppr :: StaticLit -> SDoc
    ppr StaticLit
    x = String -> SDoc
    forall doc. IsLine doc => String -> doc
    text (StaticLit -> String
    forall a. Show a => a -> String
    show StaticLit
    x)

    instance ToJExpr StaticLit where
      toJExpr :: StaticLit -> JStgExpr
    toJExpr (BoolLit Bool
    b)           = Bool -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr Bool
    b
      toJExpr (IntLit Integer
    i)            = Integer -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr Integer
    i
      toJExpr StaticLit
    NullLit               = JStgExpr
    null_
      toJExpr (DoubleLit SaneDouble
    d)         = Double -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr (SaneDouble -> Double
    unSaneDouble SaneDouble
    d)
      toJExpr (StringLit FastString
    t)         = FastString -> [JStgExpr] -> JStgExpr
    app (String -> FastString
    mkFastString String
    "h$str") [FastString -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr FastString
    t]
      toJExpr (BinLit ByteString
    b)            = FastString -> [JStgExpr] -> JStgExpr
    app (String -> FastString
    mkFastString String
    "h$rstr") [[Integer] -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr ((Word8 -> Integer) -> [Word8] -> [Integer]
    forall a b. (a -> b) -> [a] -> [b]
    map Word8 -> Integer
    forall a. Integral a => a -> Integer
    toInteger (ByteString -> [Word8]
    BS.unpack ByteString
    b))]
      toJExpr (LabelLit Bool
    _isFun FastString
    lbl) = FastString -> JStgExpr
    var FastString
    lbl

    -- | A foreign reference to some JS code
    data ForeignJSRef = ForeignJSRef
      { ForeignJSRef -> FastString
    foreignRefSrcSpan  :: !FastString
      , ForeignJSRef -> FastString
    foreignRefPattern  :: !FastString
      , ForeignJSRef -> Safety
    foreignRefSafety   :: !Safety
      , ForeignJSRef -> CCallConv
    foreignRefCConv    :: !CCallConv
      , ForeignJSRef -> [FastString]
    foreignRefArgs     :: ![FastString]
      , ForeignJSRef -> FastString
    foreignRefResult   :: !FastString
      }

    -- | data used to generate one ObjBlock in our object file
    data LinkableUnit = LinkableUnit
      { LinkableUnit -> ObjBlock
    luObjBlock     :: ObjBlock      -- ^ serializable unit info
      , LinkableUnit -> [Id]
    luIdExports    :: [Id]          -- ^ exported names from haskell identifiers
      , LinkableUnit -> [FastString]
    luOtherExports :: [FastString]  -- ^ other exports
      , LinkableUnit -> [Id]
    luIdDeps       :: [Id]          -- ^ identifiers this unit depends on
      , LinkableUnit -> [Unique]
    luPseudoIdDeps :: [Unique]      -- ^ pseudo-id identifiers this unit depends on (fixme)
      , LinkableUnit -> [OtherSymb]
    luOtherDeps    :: [OtherSymb]   -- ^ symbols not from a haskell id that this unit depends on
      , LinkableUnit -> Bool
    luRequired     :: Bool          -- ^ always link this unit
      , LinkableUnit -> [ForeignJSRef]
    luForeignRefs  :: [ForeignJSRef]
      }

    -- | one toplevel block in the object file
    data ObjBlock = ObjBlock
      { ObjBlock -> [FastString]
    oiSymbols  :: ![FastString]   -- ^ toplevel symbols (stored in index)
      , ObjBlock -> [ClosureInfo]
    oiClInfo   :: ![ClosureInfo]  -- ^ closure information of all closures in block
      , ObjBlock -> [StaticInfo]
    oiStatic   :: ![StaticInfo]   -- ^ static closure data
      , ObjBlock -> JStat
    oiStat     :: Sat.JStat       -- ^ the code
      , ObjBlock -> ByteString
    oiRaw      :: !BS.ByteString  -- ^ raw JS code
      , ObjBlock -> [ExpFun]
    oiFExports :: ![ExpFun]
      , ObjBlock -> [ForeignJSRef]
    oiFImports :: ![ForeignJSRef]
      }

    data ExpFun = ExpFun
      { ExpFun -> Bool
    isIO   :: !Bool
      , ExpFun -> [JSFFIType]
    args   :: [JSFFIType]
      , ExpFun -> JSFFIType
    result :: !JSFFIType
      } deriving (ExpFun -> ExpFun -> Bool
    (ExpFun -> ExpFun -> Bool)
    -> (ExpFun -> ExpFun -> Bool) -> Eq ExpFun
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ExpFun -> ExpFun -> Bool
    == :: ExpFun -> ExpFun -> Bool
    $c/= :: ExpFun -> ExpFun -> Bool
    /= :: ExpFun -> ExpFun -> Bool
    Eq, Eq ExpFun
    Eq ExpFun =>
    (ExpFun -> ExpFun -> Ordering)
    -> (ExpFun -> ExpFun -> Bool)
    -> (ExpFun -> ExpFun -> Bool)
    -> (ExpFun -> ExpFun -> Bool)
    -> (ExpFun -> ExpFun -> Bool)
    -> (ExpFun -> ExpFun -> ExpFun)
    -> (ExpFun -> ExpFun -> ExpFun)
    -> Ord ExpFun
    ExpFun -> ExpFun -> Bool
    ExpFun -> ExpFun -> Ordering
    ExpFun -> ExpFun -> ExpFun
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: ExpFun -> ExpFun -> Ordering
    compare :: ExpFun -> ExpFun -> Ordering
    $c< :: ExpFun -> ExpFun -> Bool
    < :: ExpFun -> ExpFun -> Bool
    $c<= :: ExpFun -> ExpFun -> Bool
    <= :: ExpFun -> ExpFun -> Bool
    $c> :: ExpFun -> ExpFun -> Bool
    > :: ExpFun -> ExpFun -> Bool
    $c>= :: ExpFun -> ExpFun -> Bool
    >= :: ExpFun -> ExpFun -> Bool
    $cmax :: ExpFun -> ExpFun -> ExpFun
    max :: ExpFun -> ExpFun -> ExpFun
    $cmin :: ExpFun -> ExpFun -> ExpFun
    min :: ExpFun -> ExpFun -> ExpFun
    Ord, Int -> ExpFun -> ShowS
    [ExpFun] -> ShowS
    ExpFun -> String
    (Int -> ExpFun -> ShowS)
    -> (ExpFun -> String) -> ([ExpFun] -> ShowS) -> Show ExpFun
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> ExpFun -> ShowS
    showsPrec :: Int -> ExpFun -> ShowS
    $cshow :: ExpFun -> String
    show :: ExpFun -> String
    $cshowList :: [ExpFun] -> ShowS
    showList :: [ExpFun] -> ShowS
    Show)

    -- | Types of FFI values
    data JSFFIType
      = Int8Type
      | Int16Type
      | Int32Type
      | Int64Type
      | Word8Type
      | Word16Type
      | Word32Type
      | Word64Type
      | DoubleType
      | ByteArrayType
      | PtrType
      | RefType
      deriving (Int -> JSFFIType -> ShowS
    [JSFFIType] -> ShowS
    JSFFIType -> String
    (Int -> JSFFIType -> ShowS)
    -> (JSFFIType -> String)
    -> ([JSFFIType] -> ShowS)
    -> Show JSFFIType
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> JSFFIType -> ShowS
    showsPrec :: Int -> JSFFIType -> ShowS
    $cshow :: JSFFIType -> String
    show :: JSFFIType -> String
    $cshowList :: [JSFFIType] -> ShowS
    showList :: [JSFFIType] -> ShowS
    Show, Eq JSFFIType
    Eq JSFFIType =>
    (JSFFIType -> JSFFIType -> Ordering)
    -> (JSFFIType -> JSFFIType -> Bool)
    -> (JSFFIType -> JSFFIType -> Bool)
    -> (JSFFIType -> JSFFIType -> Bool)
    -> (JSFFIType -> JSFFIType -> Bool)
    -> (JSFFIType -> JSFFIType -> JSFFIType)
    -> (JSFFIType -> JSFFIType -> JSFFIType)
    -> Ord JSFFIType
    JSFFIType -> JSFFIType -> Bool
    JSFFIType -> JSFFIType -> Ordering
    JSFFIType -> JSFFIType -> JSFFIType
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: JSFFIType -> JSFFIType -> Ordering
    compare :: JSFFIType -> JSFFIType -> Ordering
    $c< :: JSFFIType -> JSFFIType -> Bool
    < :: JSFFIType -> JSFFIType -> Bool
    $c<= :: JSFFIType -> JSFFIType -> Bool
    <= :: JSFFIType -> JSFFIType -> Bool
    $c> :: JSFFIType -> JSFFIType -> Bool
    > :: JSFFIType -> JSFFIType -> Bool
    $c>= :: JSFFIType -> JSFFIType -> Bool
    >= :: JSFFIType -> JSFFIType -> Bool
    $cmax :: JSFFIType -> JSFFIType -> JSFFIType
    max :: JSFFIType -> JSFFIType -> JSFFIType
    $cmin :: JSFFIType -> JSFFIType -> JSFFIType
    min :: JSFFIType -> JSFFIType -> JSFFIType
    Ord, JSFFIType -> JSFFIType -> Bool
    (JSFFIType -> JSFFIType -> Bool)
    -> (JSFFIType -> JSFFIType -> Bool) -> Eq JSFFIType
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: JSFFIType -> JSFFIType -> Bool
    == :: JSFFIType -> JSFFIType -> Bool
    $c/= :: JSFFIType -> JSFFIType -> Bool
    /= :: JSFFIType -> JSFFIType -> Bool
    Eq, Int -> JSFFIType
    JSFFIType -> Int
    JSFFIType -> [JSFFIType]
    JSFFIType -> JSFFIType
    JSFFIType -> JSFFIType -> [JSFFIType]
    JSFFIType -> JSFFIType -> JSFFIType -> [JSFFIType]
    (JSFFIType -> JSFFIType)
    -> (JSFFIType -> JSFFIType)
    -> (Int -> JSFFIType)
    -> (JSFFIType -> Int)
    -> (JSFFIType -> [JSFFIType])
    -> (JSFFIType -> JSFFIType -> [JSFFIType])
    -> (JSFFIType -> JSFFIType -> [JSFFIType])
    -> (JSFFIType -> JSFFIType -> JSFFIType -> [JSFFIType])
    -> Enum JSFFIType
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: JSFFIType -> JSFFIType
    succ :: JSFFIType -> JSFFIType
    $cpred :: JSFFIType -> JSFFIType
    pred :: JSFFIType -> JSFFIType
    $ctoEnum :: Int -> JSFFIType
    toEnum :: Int -> JSFFIType
    $cfromEnum :: JSFFIType -> Int
    fromEnum :: JSFFIType -> Int
    $cenumFrom :: JSFFIType -> [JSFFIType]
    enumFrom :: JSFFIType -> [JSFFIType]
    $cenumFromThen :: JSFFIType -> JSFFIType -> [JSFFIType]
    enumFromThen :: JSFFIType -> JSFFIType -> [JSFFIType]
    $cenumFromTo :: JSFFIType -> JSFFIType -> [JSFFIType]
    enumFromTo :: JSFFIType -> JSFFIType -> [JSFFIType]
    $cenumFromThenTo :: JSFFIType -> JSFFIType -> JSFFIType -> [JSFFIType]
    enumFromThenTo :: JSFFIType -> JSFFIType -> JSFFIType -> [JSFFIType]
    Enum)

    -- | Typed expression
    data TypedExpr = TypedExpr
      { TypedExpr -> PrimRep
    typex_typ  :: !PrimRep
      , TypedExpr -> [JStgExpr]
    typex_expr :: [JStgExpr]
      }

    instance Outputable TypedExpr where
      ppr :: TypedExpr -> SDoc
    ppr (TypedExpr PrimRep
    typ [JStgExpr]
    x) = (PrimRep, [JStgExpr]) -> SDoc
    forall a. Outputable a => a -> SDoc
    ppr (PrimRep
    typ, [JStgExpr]
    x)

    -- | A Primop result is either an inlining of some JS payload, or a primitive
    -- call to a JS function defined in Shim files in base.
    data PrimRes
      = PrimInline JStgStat  -- ^ primop is inline, result is assigned directly
      | PRPrimCall JStgStat  -- ^ primop is async call, primop returns the next
                             -- function to run. result returned to stack top in
                             -- registers

    data ExprResult
      = ExprCont
      | ExprInline
      deriving (ExprResult -> ExprResult -> Bool
    (ExprResult -> ExprResult -> Bool)
    -> (ExprResult -> ExprResult -> Bool) -> Eq ExprResult
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ExprResult -> ExprResult -> Bool
    == :: ExprResult -> ExprResult -> Bool
    $c/= :: ExprResult -> ExprResult -> Bool
    /= :: ExprResult -> ExprResult -> Bool
    Eq)

    newtype ExprValData = ExprValData [JStgExpr]
      deriving newtype (ExprValData -> ExprValData -> Bool
    (ExprValData -> ExprValData -> Bool)
    -> (ExprValData -> ExprValData -> Bool) -> Eq ExprValData
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ExprValData -> ExprValData -> Bool
    == :: ExprValData -> ExprValData -> Bool
    $c/= :: ExprValData -> ExprValData -> Bool
    /= :: ExprValData -> ExprValData -> Bool
    Eq)

    -- | A Closure is one of six types
    data ClosureType
      = Thunk       -- ^ The closure is a THUNK
      | Fun         -- ^ The closure is a Function
      | Pap         -- ^ The closure is a Partial Application
      | Con         -- ^ The closure is a Constructor
      | Blackhole   -- ^ The closure is a Blackhole
      | StackFrame  -- ^ The closure is a stack frame
      deriving (Int -> ClosureType -> ShowS
    [ClosureType] -> ShowS
    ClosureType -> String
    (Int -> ClosureType -> ShowS)
    -> (ClosureType -> String)
    -> ([ClosureType] -> ShowS)
    -> Show ClosureType
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> ClosureType -> ShowS
    showsPrec :: Int -> ClosureType -> ShowS
    $cshow :: ClosureType -> String
    show :: ClosureType -> String
    $cshowList :: [ClosureType] -> ShowS
    showList :: [ClosureType] -> ShowS
    Show, ClosureType -> ClosureType -> Bool
    (ClosureType -> ClosureType -> Bool)
    -> (ClosureType -> ClosureType -> Bool) -> Eq ClosureType
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ClosureType -> ClosureType -> Bool
    == :: ClosureType -> ClosureType -> Bool
    $c/= :: ClosureType -> ClosureType -> Bool
    /= :: ClosureType -> ClosureType -> Bool
    Eq, Eq ClosureType
    Eq ClosureType =>
    (ClosureType -> ClosureType -> Ordering)
    -> (ClosureType -> ClosureType -> Bool)
    -> (ClosureType -> ClosureType -> Bool)
    -> (ClosureType -> ClosureType -> Bool)
    -> (ClosureType -> ClosureType -> Bool)
    -> (ClosureType -> ClosureType -> ClosureType)
    -> (ClosureType -> ClosureType -> ClosureType)
    -> Ord ClosureType
    ClosureType -> ClosureType -> Bool
    ClosureType -> ClosureType -> Ordering
    ClosureType -> ClosureType -> ClosureType
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: ClosureType -> ClosureType -> Ordering
    compare :: ClosureType -> ClosureType -> Ordering
    $c< :: ClosureType -> ClosureType -> Bool
    < :: ClosureType -> ClosureType -> Bool
    $c<= :: ClosureType -> ClosureType -> Bool
    <= :: ClosureType -> ClosureType -> Bool
    $c> :: ClosureType -> ClosureType -> Bool
    > :: ClosureType -> ClosureType -> Bool
    $c>= :: ClosureType -> ClosureType -> Bool
    >= :: ClosureType -> ClosureType -> Bool
    $cmax :: ClosureType -> ClosureType -> ClosureType
    max :: ClosureType -> ClosureType -> ClosureType
    $cmin :: ClosureType -> ClosureType -> ClosureType
    min :: ClosureType -> ClosureType -> ClosureType
    Ord, Int -> ClosureType
    ClosureType -> Int
    ClosureType -> [ClosureType]
    ClosureType -> ClosureType
    ClosureType -> ClosureType -> [ClosureType]
    ClosureType -> ClosureType -> ClosureType -> [ClosureType]
    (ClosureType -> ClosureType)
    -> (ClosureType -> ClosureType)
    -> (Int -> ClosureType)
    -> (ClosureType -> Int)
    -> (ClosureType -> [ClosureType])
    -> (ClosureType -> ClosureType -> [ClosureType])
    -> (ClosureType -> ClosureType -> [ClosureType])
    -> (ClosureType -> ClosureType -> ClosureType -> [ClosureType])
    -> Enum ClosureType
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: ClosureType -> ClosureType
    succ :: ClosureType -> ClosureType
    $cpred :: ClosureType -> ClosureType
    pred :: ClosureType -> ClosureType
    $ctoEnum :: Int -> ClosureType
    toEnum :: Int -> ClosureType
    $cfromEnum :: ClosureType -> Int
    fromEnum :: ClosureType -> Int
    $cenumFrom :: ClosureType -> [ClosureType]
    enumFrom :: ClosureType -> [ClosureType]
    $cenumFromThen :: ClosureType -> ClosureType -> [ClosureType]
    enumFromThen :: ClosureType -> ClosureType -> [ClosureType]
    $cenumFromTo :: ClosureType -> ClosureType -> [ClosureType]
    enumFromTo :: ClosureType -> ClosureType -> [ClosureType]
    $cenumFromThenTo :: ClosureType -> ClosureType -> ClosureType -> [ClosureType]
    enumFromThenTo :: ClosureType -> ClosureType -> ClosureType -> [ClosureType]
    Enum, ClosureType
    ClosureType -> ClosureType -> Bounded ClosureType
    forall a. a -> a -> Bounded a
    $cminBound :: ClosureType
    minBound :: ClosureType
    $cmaxBound :: ClosureType
    maxBound :: ClosureType
    Bounded)

    -- | Convert 'ClosureType' to an Int
    ctNum :: ClosureType -> Int
    ctNum :: ClosureType -> Int
    ctNum ClosureType
    Fun        = Int
    1
    ctNum ClosureType
    Con        = Int
    2
    ctNum ClosureType
    Thunk      = Int
    0
    ctNum ClosureType
    Pap        = Int
    3
    ctNum ClosureType
    Blackhole  = Int
    5
    ctNum ClosureType
    StackFrame = -Int
    1

    -- | Convert 'ClosureType' to a String
    ctJsName :: ClosureType -> String
    ctJsName :: ClosureType -> String
    ctJsName = \case
      ClosureType
    Thunk      -> String
    "CLOSURE_TYPE_THUNK"
      ClosureType
    Fun        -> String
    "CLOSURE_TYPE_FUN"
      ClosureType
    Pap        -> String
    "CLOSURE_TYPE_PAP"
      ClosureType
    Con        -> String
    "CLOSURE_TYPE_CON"
      ClosureType
    Blackhole  -> String
    "CLOSURE_TYPE_BLACKHOLE"
      ClosureType
    StackFrame -> String
    "CLOSURE_TYPE_STACKFRAME"

    instance ToJExpr ClosureType where
      toJExpr :: ClosureType -> JStgExpr
    toJExpr ClosureType
    e = Int -> JStgExpr
    forall a. ToJExpr a => a -> JStgExpr
    toJExpr (ClosureType -> Int
    ctNum ClosureType
    e)

    -- | A thread is in one of 4 states
    data ThreadStatus
      = Running   -- ^ The thread is running
      | Blocked   -- ^ The thread is blocked
      | Finished  -- ^ The thread is done
      | Died      -- ^ The thread has died
      deriving (Int -> ThreadStatus -> ShowS
    [ThreadStatus] -> ShowS
    ThreadStatus -> String
    (Int -> ThreadStatus -> ShowS)
    -> (ThreadStatus -> String)
    -> ([ThreadStatus] -> ShowS)
    -> Show ThreadStatus
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> ThreadStatus -> ShowS
    showsPrec :: Int -> ThreadStatus -> ShowS
    $cshow :: ThreadStatus -> String
    show :: ThreadStatus -> String
    $cshowList :: [ThreadStatus] -> ShowS
    showList :: [ThreadStatus] -> ShowS
    Show, ThreadStatus -> ThreadStatus -> Bool
    (ThreadStatus -> ThreadStatus -> Bool)
    -> (ThreadStatus -> ThreadStatus -> Bool) -> Eq ThreadStatus
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: ThreadStatus -> ThreadStatus -> Bool
    == :: ThreadStatus -> ThreadStatus -> Bool
    $c/= :: ThreadStatus -> ThreadStatus -> Bool
    /= :: ThreadStatus -> ThreadStatus -> Bool
    Eq, Eq ThreadStatus
    Eq ThreadStatus =>
    (ThreadStatus -> ThreadStatus -> Ordering)
    -> (ThreadStatus -> ThreadStatus -> Bool)
    -> (ThreadStatus -> ThreadStatus -> Bool)
    -> (ThreadStatus -> ThreadStatus -> Bool)
    -> (ThreadStatus -> ThreadStatus -> Bool)
    -> (ThreadStatus -> ThreadStatus -> ThreadStatus)
    -> (ThreadStatus -> ThreadStatus -> ThreadStatus)
    -> Ord ThreadStatus
    ThreadStatus -> ThreadStatus -> Bool
    ThreadStatus -> ThreadStatus -> Ordering
    ThreadStatus -> ThreadStatus -> ThreadStatus
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: ThreadStatus -> ThreadStatus -> Ordering
    compare :: ThreadStatus -> ThreadStatus -> Ordering
    $c< :: ThreadStatus -> ThreadStatus -> Bool
    < :: ThreadStatus -> ThreadStatus -> Bool
    $c<= :: ThreadStatus -> ThreadStatus -> Bool
    <= :: ThreadStatus -> ThreadStatus -> Bool
    $c> :: ThreadStatus -> ThreadStatus -> Bool
    > :: ThreadStatus -> ThreadStatus -> Bool
    $c>= :: ThreadStatus -> ThreadStatus -> Bool
    >= :: ThreadStatus -> ThreadStatus -> Bool
    $cmax :: ThreadStatus -> ThreadStatus -> ThreadStatus
    max :: ThreadStatus -> ThreadStatus -> ThreadStatus
    $cmin :: ThreadStatus -> ThreadStatus -> ThreadStatus
    min :: ThreadStatus -> ThreadStatus -> ThreadStatus
    Ord, Int -> ThreadStatus
    ThreadStatus -> Int
    ThreadStatus -> [ThreadStatus]
    ThreadStatus -> ThreadStatus
    ThreadStatus -> ThreadStatus -> [ThreadStatus]
    ThreadStatus -> ThreadStatus -> ThreadStatus -> [ThreadStatus]
    (ThreadStatus -> ThreadStatus)
    -> (ThreadStatus -> ThreadStatus)
    -> (Int -> ThreadStatus)
    -> (ThreadStatus -> Int)
    -> (ThreadStatus -> [ThreadStatus])
    -> (ThreadStatus -> ThreadStatus -> [ThreadStatus])
    -> (ThreadStatus -> ThreadStatus -> [ThreadStatus])
    -> (ThreadStatus -> ThreadStatus -> ThreadStatus -> [ThreadStatus])
    -> Enum ThreadStatus
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: ThreadStatus -> ThreadStatus
    succ :: ThreadStatus -> ThreadStatus
    $cpred :: ThreadStatus -> ThreadStatus
    pred :: ThreadStatus -> ThreadStatus
    $ctoEnum :: Int -> ThreadStatus
    toEnum :: Int -> ThreadStatus
    $cfromEnum :: ThreadStatus -> Int
    fromEnum :: ThreadStatus -> Int
    $cenumFrom :: ThreadStatus -> [ThreadStatus]
    enumFrom :: ThreadStatus -> [ThreadStatus]
    $cenumFromThen :: ThreadStatus -> ThreadStatus -> [ThreadStatus]
    enumFromThen :: ThreadStatus -> ThreadStatus -> [ThreadStatus]
    $cenumFromTo :: ThreadStatus -> ThreadStatus -> [ThreadStatus]
    enumFromTo :: ThreadStatus -> ThreadStatus -> [ThreadStatus]
    $cenumFromThenTo :: ThreadStatus -> ThreadStatus -> ThreadStatus -> [ThreadStatus]
    enumFromThenTo :: ThreadStatus -> ThreadStatus -> ThreadStatus -> [ThreadStatus]
    Enum, ThreadStatus
    ThreadStatus -> ThreadStatus -> Bounded ThreadStatus
    forall a. a -> a -> Bounded a
    $cminBound :: ThreadStatus
    minBound :: ThreadStatus
    $cmaxBound :: ThreadStatus
    maxBound :: ThreadStatus
    Bounded)

    -- | Convert the status of a thread in JS land to an Int
    threadStatusNum :: ThreadStatus -> Int
    threadStatusNum :: ThreadStatus -> Int
    threadStatusNum = \case
      ThreadStatus
    Running  -> Int
    0
      ThreadStatus
    Blocked  -> Int
    1
      ThreadStatus
    Finished -> Int
    16
      ThreadStatus
    Died     -> Int
    17

    -- | convert the status of a thread in JS land to a string
    threadStatusJsName :: ThreadStatus -> String
    threadStatusJsName :: ThreadStatus -> String
    threadStatusJsName = \case
      ThreadStatus
    Running  -> String
    "THREAD_RUNNING"
      ThreadStatus
    Blocked  -> String
    "THREAD_BLOCKED"
      ThreadStatus
    Finished -> String
    "THREAD_FINISHED"
      ThreadStatus
    Died     -> String
    "THREAD_DIED"