module UHC.Light.Compiler.AbstractCore
( AbstractCore (..)
, ACoreAppLikeMetaBound
, acoreMetaLift
, ACoreBindAspectKey (..), ACoreBindAspectKeyS, ACoreBindAspMp
, acbaspkeyMetaLev
, acbaspkeyDefaultTy, acbaspkeyTy, acbaspkeyDefaultCore, acbaspkeyNone, acbaspkeyDefault, acbaspkeyDefaultRelevTy, acbaspkeyStrict, acbaspkeyDebug
, ppACBaspKeyS
, hsnUniqifyACoreBindAspectKeyS
, ACoreBindRef (..), acoreMkRef, acoreMkAspRef
, acbrefAspAnd
, ppACoreBindRef
, acore1App, acoreApp, acoreAppBound
, acoreLamBind, acoreLam1Ty, acoreLam1, acoreLamTy, acoreLam
, acoreTagTupTy, acoreTagTup, acoreTupTy, acoreTup, acoreTag
, acoreBind1CatLevMetaTyWith, acoreBind1CatLevMetaTy, acoreBind1CatLevTy, acoreBind1CatMetaTy, acoreBind1CatTy, acoreBind1Cat, acoreBind1LevTy, acoreBind1Ty, acoreBind1
, acoreBind1MetasTy, acoreBind1CatMeta, acoreBind1MetaTy
, acoreBind1Asp1, acoreBind1NmLevTy1, acoreBind1Nm1
, acoreBoundVal1CatLevMetaTy, acoreBoundVal1CatLevTy, acoreBoundVal1CatMetaTy, acoreBoundVal1CatTy, acoreBoundVal1Cat
, acoreBoundVal1Metas, acoreBoundVal1Meta
, acoreBound1AspkeyVal, acoreBound1Val
, acoreTyErrLift
, acoreLetMerge, acoreLet, acoreLetRec
, acoreLetN
, acoreLet1PlainTy, acoreLet1Plain
, acoreLet1StrictTy, acoreLet1Strict
, acoreLet1StrictInMetaTyWith, acoreLet1StrictInMetaTy, acoreLet1StrictInMeta, acoreLet1StrictIn, acoreLet1StrictInTy
, acoreBindcategDflt
, acoreChar, acoreInt, acoreInt2
, acoreBuiltinApp
, acoreBuiltinAddInt
, acoreBuiltinGtInt
, acoreBuiltinString
, acoreBuiltinError, acoreBuiltinUndefined
, acorePatConMbTag, acoreAltMbTag
, acoreBindNm
, acorePatFldTy
, acoreUnBoundVal
, Coe' (..)
, CoeCtx (..)
, acoreCoeId, acoreCoeMap
, acoreCoeApp1, acoreCoeAppN, acoreCoeAppNbyName
, acoreCoeLam1Ty, acoreCoeLam1
, acoreCoeCompose
, acoreCoeIsId
, CSubstKey (..)
, CSubstInfo' (..)
, CSubst', emptyCSubst
, acoreCSubstFromNmTyL
, acoreCSubstFromRefExprL
, acoreCSubstFromUidExprL
, cSubstAppSubst
, CSubstitutable (..)
, RAlt' (..), RPat' (..), RPatConBind' (..), RPatFld' (..), RCEAltL'
, rcaPat, raltLPatNms
, rcaTag
, raltIsVar, raltIsConst
, raltIsConMany
, raltIsIrrefutable
, rpatConBindUnFlatten
, acoreRPat2Pat
, ctagTrue, ctagFalse
, ctagCons, ctagNil
, CaseAltFailReason (..)
, cafailHasId
, AppFunKind (..)
, WhatExpr (..)
, whatExprMbVar, whatExprMbApp, whatExprMbLam, whatExprMbLam', whatExprAppArity, whatExprMbBind
, whatExprIsWHNF
, whatExprIsLam, whatExprIsTup, whatExprIsBind
, whatExprIsFFI
, acoreMetaLiftDict
, acoreNmHolePred, acoreNmHole
, acoreCoeLamLetTy, acoreCoeLamLet, acoreCoeLetRec
, acoreCoePoiLApp, acoreCoeImplsApp
, acoreCoePoiLLamTy, acoreCoeImplsLam
, acoreCSubstFromUidImplsL, acoreCSubstFromUidBindLL
, acoreIf
, acbaspkeyFusionRole
, acoreBuiltinInteger
, raltMbBoolExpr, raltIsBoolExpr
, acoreBuiltinEqChar
, acoreBuiltinListSingleton
, acoreMatchChar )
where
import UHC.Light.Compiler.Base.Common
import UHC.Light.Compiler.Base.HsName.Builtin
import UHC.Light.Compiler.Base.TermLike
import UHC.Light.Compiler.Opts.Base
import UHC.Light.Compiler.Ty
import UHC.Util.Pretty
import UHC.Util.Utils
import Data.List
import Data.Maybe
import qualified Data.Map as Map
import qualified Data.Set as Set
import Control.Applicative ((<|>),(<$>))
import Control.Monad
import UHC.Util.Binary
import UHC.Util.Serialize




{-# LINE 36 "src/ehc/AbstractCore.chs" #-}
class AbstractCore  expr metaval bind bound boundmeta bindcateg metabind ty pat patrest patfld alt
    | expr       ->      metaval bind bound boundmeta bindcateg metabind ty pat patrest patfld alt
    , metaval    -> expr
    , bind       -> expr
    , bound      -> expr
    , boundmeta  -> expr
    , bindcateg  -> expr
    , metabind   -> expr
    , ty         -> expr
    , pat        -> expr
    , patrest    -> expr
    , patfld     -> expr
    , alt        -> expr
  where
  ------------------------- constructing: expr -------------------------
  -- | 1 arg application, together with meta info about the argument, packaged in the bind
  acoreLam1Bind :: bind -> expr -> expr

  -- | 1 arg application, together with meta info about the argument
  -- acoreLam1Ty :: HsName -> ty -> expr -> expr

  -- | 1 lam abstraction, together with meta info about, and type of the argument
  acore1AppBound :: expr -> bound -> expr

  -- | a tuple, with tag, and ty
  acoreTagTyTupBound :: CTag -> ty -> [bound] -> expr

  -- | a value binding, for a name to value + type + metas + meta level
  acoreBind1CatLevMetasTy :: bindcateg -> HsName -> MetaLev -> (metabind,metaval) -> ty -> expr -> bind

  -- | a value binding aspect, for a name + value, optionally type + metas + meta level
  acoreBoundVal1CatLevMetasTy :: bindcateg -> HsName -> MetaLev -> (metabind,metaval) -> ty -> expr -> bound

  -- | a type for value binding aspect, for a name + type, optionally meta level
  acoreBoundValTy1CatLev :: bindcateg -> HsName -> MetaLev -> ty -> bound

  -- | meta for something bound; for a name, meta level and label
  acoreBoundmeta :: ACoreBindAspectKeyS -> MetaLev -> CLbl -> boundmeta

  -- | a expr binding aspect, for a name, meta level and label
  acoreBound1MetaVal :: boundmeta -> expr -> bound

  -- | a binding, for/from a single aspect (for now, later multiple)
  acoreBind1Asp :: HsName -> [bound] -> bind

  -- | basic let binding
  acoreLetBase :: bindcateg -> [bind] -> expr -> expr

  -- | cast, defaults to noop
  acoreCast :: ty -> expr -> expr
  acoreCast _ e = e

  -- | A Case expression, possibly with a default value.
  acoreCaseDflt  :: expr    -- ^ The scrutinee. Required to be in WHNF.
        -> [alt]            -- ^ The alternatives.
        -> Maybe expr       -- ^ The default value. (TODO what is the behaviour if it is Nothing?)
        -> expr

  -- | Creates a variable expression.
  acoreVar  :: HsName -> expr

  -- | string
  acoreStringTy  :: ty -> String -> expr

  -- | char
  acoreCharTy  :: ty -> Char -> expr

  -- | int as Int
  acoreIntTy  :: ty -> Int -> expr

  -- | int as Integer
  acoreIntTy2 :: ty -> Integer -> expr

  -- | hole: placeholder for CSubst to fill in
  acoreUidHole :: UID -> expr

  -- | hole: let with hole for bindings to be filled in later by means of a CSubst
  acoreHoleLet :: UID -> expr -> expr

  -- | a default, fallback
  -- acoreDflt :: expr

  -- | get error/default expr
  acoreExprErr :: String -> expr
  acoreExprErr s = panic $ "AbstractCore.acoreExprErr: " ++ s


  ------------------------- constructing: ty constants -------------------------
  -- Int
  -- acoreTyInt2 :: ty

  -- Bool
  acoreTyBool :: EHCOpts -> ty

  ------------------------- constructing: pat -------------------------
  -- | pat var, with type
  acorePatVarTy :: HsName -> ty -> pat

  -- | Matches the case scrutinee with the given constructor tag.
  acorePatCon :: CTag   -- ^ The constructor to match.
    -> patrest          -- ^ ???
    -> [patfld]         -- ^ ???
    -> pat

  -- | pat int
  acorePatIntTy :: ty -> Int -> pat

  -- | pat Integer
  acorePatIntTy2 :: ty -> Integer -> pat

  -- | pat char
  acorePatCharTy :: ty -> Char -> pat

  -- | pat boolean guard
  acorePatBoolExpr :: expr -> pat
  ------------------------- constructing: pat field -------------------------
  -- | TODO ??? pat field
  acorePatFldBind :: (HsName,expr)  -- ^ lbl, offset ???
    -> bind     -- ^ ??
    -> patfld
  -- acorePatFldTy :: ty -> (HsName,expr) -> HsName -> patfld

  ------------------------- constructing: patrest -------------------------
  -- | patrest, empty TODO what does it mean?
  acorePatRestEmpty :: patrest

  -- | patrest, var
  acorePatRestVar :: HsName -> patrest

  ------------------------- constructing: alt -------------------------
  -- | Creates an alternative of a case statement.
  acoreAlt :: pat   -- ^ The pattern with which to match the case scrutinee.
        -> expr     -- ^ The value of this alternative.
        -> alt

  ------------------------- constructing: top level -------------------------
  -- | Wraps main expr into a form which can be directly run by evaluating
  acoreRunMain :: expr     -- ^ main
        -> expr
  acoreRunMain e = acore1App e (acoreTup [])

  ------------------------- type related -------------------------
  -- | construct ty from Ty, usable in Core context
  acoreTy2ty :: EHCOpts -> Ty -> ty

  ------------------------- defaults -------------------------
  -- | get default for metaval
  acoreMetavalDflt :: metaval

  -- | get default for metaval, for dicts
  acoreMetavalDfltDict :: metaval

  -- | get default for metabind
  acoreMetabindDflt :: metabind

  -- | get default for metabind
  acoreDfltBoundmeta :: boundmeta
  acoreDfltBoundmeta = panic "AbstractCore.acoreDfltBoundmeta not implemented"

  -- | get error/default ty, type indexed by ty
  acoreTyErr :: String -> ty
  acoreTyErr s = panic $ "AbstractCore.acoreTyErr: " ++ s

  -- | get the ty representing the absent type, no type info
  acoreTyNone :: ty

  -- | get char ty
  acoreTyChar :: EHCOpts -> ty

  -- | get int ty
  acoreTyInt :: EHCOpts -> ty

  -- | get String ty
  acoreTyString :: EHCOpts -> ty

  ------------------------- bindcateg values -------------------------
  -- | get recursive bindcateg
  acoreBindcategRec :: bindcateg

  -- | get strict bindcateg
  acoreBindcategStrict :: bindcateg

  -- | get plain bindcateg
  acoreBindcategPlain :: bindcateg

  ------------------------- inspecting/deconstructing -------------------------
  -- | is expr an application?
  acoreExprMbApp :: expr -> Maybe (expr,bound)


  -- | is expr a lambda?
  acoreExprMbLam :: expr -> Maybe (bind,expr)

  -- | is expr a let?
  acoreExprMbLet :: expr -> Maybe (bindcateg,[bind],expr)

  -- | is expr a var?
  acoreExprMbVar :: expr -> Maybe HsName

  -- | is expr a int?
  acoreExprMbInt :: expr -> Maybe (ty,Integer)

  -- | is bindcateg recursive?
  acoreBindcategMbRec :: bindcateg -> Maybe bindcateg

  -- | is bindcateg strict?
  acoreBindcategMbStrict :: bindcateg -> Maybe bindcateg

  -- | is pat a con?
  acorePatMbCon :: pat -> Maybe(CTag,patrest,[patfld])

  -- | is pat a int?
  acorePatMbInt :: pat -> Maybe(ty,Integer)

  -- | is pat a char?
  acorePatMbChar :: pat -> Maybe(ty,Char)

  -- | 'un' alt
  acoreUnAlt :: alt -> (pat,expr)

  -- | 'un' patfld
  acoreUnPatFld :: patfld -> ((HsName,expr),bind)

  -- | 'un' patfld
  -- acoreUnPatFld :: patfld -> (ty,(HsName,expr),HsName)

  -- | 'un' bind
  acoreUnBind :: bind -> (HsName,[bound])

  -- | is bound a expr?
  acoreBoundMbVal :: bound -> Maybe (boundmeta,expr)

  ------------------------- transforming -------------------------
  -- | thunk expr, i.e. turn into delayed computation
  acoreExprThunk :: expr -> expr
  acoreExprThunk = id

  -- | thunk ty, i.e. ty of 'acoreExprThunk'-ed expr
  acoreTyThunk :: ty -> ty
  acoreTyThunk = id

  -- | unthunk expr, i.e. force computation of delayed computation
  acoreExprUnThunk :: expr -> expr
  acoreExprUnThunk = id

  -- | unthunk ty, i.e. ty of 'acoreExprUnThunk'-ed expr
  acoreTyUnThunk :: ty -> ty
  acoreTyUnThunk = id

  ------------------------- coercion related: construction -------------------------
  -- | coercion arg placeholder
  acoreCoeArg :: expr

  ------------------------- coercion related: inspecting/deconstructing -------------------------
  -- | coercion arg placeholder
  acoreExprIsCoeArg :: expr -> Bool


{-# LINE 319 "src/ehc/AbstractCore.chs" #-}
type ACoreAppLikeMetaBound = (ACoreBindAspectKeyS,MetaLev,CLbl)

{-# LINE 323 "src/ehc/AbstractCore.chs" #-}
instance {-# OVERLAPPABLE  #-} AbstractCore e m b bound boundmeta bcat mbind t p pr pf a => AppLike e boundmeta {- () () -} where
  app1App       = acore1App
  appTop        = id
  appCon        = acoreVar . mkHNm
  appPar        = id
  appVar        = acoreVar . mkHNm

  -- appDflt       =
  appDfltBoundmeta x = acoreDfltBoundmeta
  appDbg        = acoreExprErr

  appMbCon      = acoreExprMbVar
  appMbApp1 e   = do (f,b) <- acoreExprMbApp e
                     (_,a) <- acoreBoundMbVal b
                     return (f,a)

{-# LINE 354 "src/ehc/AbstractCore.chs" #-}
instance {-# OVERLAPPABLE  #-} AbstractCore e m b bound boundmeta bcat mbind t p pr pf a => RecLike e boundmeta {- () () -} where
  recRow _ fs   = acoreTagTyTupBound CTagRec (acoreTyErr "AbstractCore.RecLike.recRow") [ acoreBound1MetaVal (acoreBoundmeta acbaspkeyDefault 0 (CLbl_Nm n)) e | (n,e) <- fs ]

  recMbRecRow  _= Nothing -- tyMbRecRowWithLkup (const Nothing)
  recUnRowExts e= (e,[])

{-# LINE 366 "src/ehc/AbstractCore.chs" #-}
acoreMetaLift :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a, Functor f) => f x -> f (x,m)
acoreMetaLift = fmap2Tuple acoreMetavalDflt

{-# LINE 371 "src/ehc/AbstractCore.chs" #-}
acoreMetaLiftDict :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a, Functor f) => f x -> f (x,m)
acoreMetaLiftDict = fmap2Tuple acoreMetavalDfltDict

{-# LINE 381 "src/ehc/AbstractCore.chs" #-}
-- | A ACoreBindAspectKeyS formed out of multiple ACoreBindAspectKey identifies a particular binding aspect
data ACoreBindAspectKey
  = ACoreBindAspectKey_Default              -- identifies the default binding, if omitted in a reference this aspect is the one chosen.
  | ACoreBindAspectKey_Ty                   -- the normal ty
  | ACoreBindAspectKey_RelevTy              -- the relevance ty
  | ACoreBindAspectKey_Strict               -- the as strict as possible variant
  | ACoreBindAspectKey_Debug                -- internal debugging only
  | ACoreBindAspectKey_Core                 -- core
  | ACoreBindAspectKey_FusionRole           -- fusion role
  deriving (Eq,Ord)

instance Show ACoreBindAspectKey where
  show ACoreBindAspectKey_Default       = "dft"
  show ACoreBindAspectKey_Strict        = "str"
  show ACoreBindAspectKey_Ty            = "ty"
  show ACoreBindAspectKey_RelevTy       = "rty"
  show ACoreBindAspectKey_Debug         = "dbg"
  show ACoreBindAspectKey_Core          = "core"
  show ACoreBindAspectKey_FusionRole    = "fusionrole"

instance PP ACoreBindAspectKey where
  pp = pp . show

type ACoreBindAspectKeyS        =   Set.Set ACoreBindAspectKey
type ACoreBindAspMp x           =   Map.Map ACoreBindAspectKeyS x

acbaspkeyMk :: [ACoreBindAspectKey] -> ACoreBindAspectKeyS
acbaspkeyMk = Set.fromList

{-# LINE 422 "src/ehc/AbstractCore.chs" #-}
acbaspkeyMetaLev :: MetaLev -> ACoreBindAspectKeyS -> MetaLev
acbaspkeyMetaLev mlev _ = mlev

{-# LINE 433 "src/ehc/AbstractCore.chs" #-}
-- | predefined:
acbaspkeyNone :: ACoreBindAspectKeyS
acbaspkeyNone = acbaspkeyMk
  [  ]

-- | predefined:
acbaspkeyDefault :: ACoreBindAspectKeyS
acbaspkeyDefault = acbaspkeyMk
  [ ACoreBindAspectKey_Default ]

-- | predefined:
acbaspkeyTy :: ACoreBindAspectKeyS
acbaspkeyTy = acbaspkeyMk
  [ ACoreBindAspectKey_Ty ]

-- | predefined:
acbaspkeyDefaultTy :: ACoreBindAspectKeyS
acbaspkeyDefaultTy = acbaspkeyMk
  [ ACoreBindAspectKey_Default, ACoreBindAspectKey_Ty ]

-- | predefined:
acbaspkeyDefaultCore :: ACoreBindAspectKeyS
acbaspkeyDefaultCore = acbaspkeyMk
  [ ACoreBindAspectKey_Default, ACoreBindAspectKey_Core ]

-- | predefined:
acbaspkeyDefaultRelevTy :: ACoreBindAspectKeyS
acbaspkeyDefaultRelevTy = acbaspkeyMk
  [ ACoreBindAspectKey_Default, ACoreBindAspectKey_RelevTy ]

-- | predefined:
acbaspkeyStrict :: ACoreBindAspectKeyS
acbaspkeyStrict = acbaspkeyMk
  [ ACoreBindAspectKey_Strict ]

-- | predefined:
acbaspkeyDebug :: ACoreBindAspectKeyS
acbaspkeyDebug = acbaspkeyMk
  [ ACoreBindAspectKey_Debug ]

{-# LINE 492 "src/ehc/AbstractCore.chs" #-}
-- | predefined:
acbaspkeyFusionRole :: ACoreBindAspectKeyS
acbaspkeyFusionRole = acbaspkeyMk
  [ ACoreBindAspectKey_FusionRole ]

{-# LINE 499 "src/ehc/AbstractCore.chs" #-}
ppACBaspKeyS :: ACoreBindAspectKeyS -> PP_Doc
ppACBaspKeyS = ppCurlysCommas . Set.toList

{-# LINE 504 "src/ehc/AbstractCore.chs" #-}
-- | uniqify with ACoreBindAspectKeyS, omitting the default
hsnUniqifyACoreBindAspectKeyS :: ACoreBindAspectKeyS -> HsName -> HsName
hsnUniqifyACoreBindAspectKeyS as n
  = foldr mk n $ Set.toList as
  where mk ACoreBindAspectKey_Strict = hsnUniqify    HsNameUniqifier_Strict
        mk a                         = hsnUniqifyStr HsNameUniqifier_BindAspect (show a)

{-# LINE 513 "src/ehc/AbstractCore.chs" #-}
deriving instance Typeable ACoreBindAspectKey

{-# LINE 517 "src/ehc/AbstractCore.chs" #-}
deriving instance Data ACoreBindAspectKey

{-# LINE 525 "src/ehc/AbstractCore.chs" #-}
-- | reference to binding aspect: name + aspect keys
data ACoreBindRef
  = ACoreBindRef
      { acbrefNm        :: !HsName
      , acbrefMbAspKey  :: !(Maybe ACoreBindAspectKeyS)
      }
  deriving (Eq,Ord)

acoreMkRef :: HsName -> ACoreBindRef
acoreMkRef n = ACoreBindRef n Nothing

acoreMkAspRef :: ACoreBindAspectKeyS -> HsName -> ACoreBindRef
acoreMkAspRef a n = ACoreBindRef n (Just a)

instance HSNM ACoreBindRef where
  mkHNm (ACoreBindRef n ma) = maybe n (\a -> hsnUniqifyACoreBindAspectKeyS a n) ma

instance Show ACoreBindRef where
  show = show . mkHNm

{-# LINE 547 "src/ehc/AbstractCore.chs" #-}
acbrefAspKey :: ACoreBindRef -> ACoreBindAspectKeyS
acbrefAspKey = maybe acbaspkeyNone id . acbrefMbAspKey
{-# INLINE acbrefAspKey #-}

{-# LINE 553 "src/ehc/AbstractCore.chs" #-}
-- | narrow down aspects by adding more to ref; assume extra aspects non empty
acbrefAspAnd :: ACoreBindAspectKeyS -> ACoreBindRef -> ACoreBindRef
acbrefAspAnd a r = r {acbrefMbAspKey = Just $ a `Set.union` acbrefAspKey r }

{-# LINE 559 "src/ehc/AbstractCore.chs" #-}
ppACoreBindRef :: (HsName -> PP_Doc) -> ACoreBindRef -> PP_Doc
ppACoreBindRef ppN r = ppN (acbrefNm r) >|< (maybe empty (ppCurlysCommas . Set.toList) $ acbrefMbAspKey r)

instance PP ACoreBindRef where
  pp = ppACoreBindRef pp

{-# LINE 567 "src/ehc/AbstractCore.chs" #-}
deriving instance Typeable ACoreBindRef
deriving instance Data ACoreBindRef

{-# LINE 576 "src/ehc/AbstractCore.chs" #-}
acore1App :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => e -> e -> e
acore1App f a = acore1AppBound f (acoreBound1Val a)
{-# INLINE acore1App #-}

-- | Applies the first expression to all given arguments.
acoreApp :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => e    -- ^ The lambda to apply.
    -> [e]  -- ^ The arguments (the empty list is allowed).
    -> e
acoreApp f as = foldl (\f a -> acore1App f a) f as

acoreAppBound :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => e -> [bound] -> e
acoreAppBound f as = foldl (\f a -> acore1AppBound f a) f as

{-# LINE 596 "src/ehc/AbstractCore.chs" #-}
acoreLamBind :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [b] -> e -> e
acoreLamBind = flip (foldr acoreLam1Bind)
{-# INLINE acoreLamBind #-}

acoreLam1Ty :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> e -> e
acoreLam1Ty a t e = acoreLam1Bind (acoreBind1NmTy1 a t) e
-- acoreLam1Ty a t e = acoreLam1Bind (acoreBind1Nm1 a) e
-- acoreLam1Ty a t e = acoreLam1Bind (acoreBind1Ty a t) e       -- 20120418, TBD: ignore type for now
{-# INLINE acoreLam1Ty #-}

acoreLam1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> e -> e
acoreLam1 a e = acoreLam1Ty a (acoreTyErr "acoreLam1") e
{-# INLINE acoreLam1 #-}

acoreLamTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [(HsName,t)] -> e -> e
acoreLamTy as e = foldr (\(n,t) e -> acoreLam1Ty n t e) e as

acoreLam :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [HsName] -> e -> e
acoreLam as e = foldr (\(n) e -> acoreLam1 n e) e as

{-# LINE 618 "src/ehc/AbstractCore.chs" #-}
acoreTagTupTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => CTag -> t -> [e] -> e
acoreTagTupTy tg t es = acoreTagTyTupBound tg t $ map acoreBound1Val es

-- | Creates a new tuple/record with the given values.
-- Has to be fully applied, partial application is not allowed.
acoreTagTup :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => CTag -> [e] -> e
acoreTagTup tg es = acoreTagTupTy tg (acoreTyErr "acoreTupTy") es

acoreTupTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => t -> [e] -> e
acoreTupTy t es = acoreTagTupTy CTagRec t es
{-# INLINE acoreTupTy #-}

acoreTup :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [e] -> e
acoreTup es = acoreTagTup CTagRec es
{-# INLINE acoreTup #-}

acoreTag :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => CTag -> e
acoreTag tg = acoreTagTup tg []
{-# INLINE acoreTag #-}

{-# LINE 651 "src/ehc/AbstractCore.chs" #-}
acoreBind1CatLevMetaTyWith :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => (t->t) -> (e->e) -> bcat -> HsName -> MetaLev -> m -> t -> e -> b
acoreBind1CatLevMetaTyWith mkT mkE cat n l m t e = acoreBind1CatLevMetasTy cat n l (acoreMetabindDflt,m) (mkT t) (mkE e)
{-# INLINE acoreBind1CatLevMetaTyWith #-}

acoreBind1CatLevMetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> MetaLev -> m -> t -> e -> b
acoreBind1CatLevMetaTy = acoreBind1CatLevMetaTyWith id id
{-# INLINE acoreBind1CatLevMetaTy #-}

acoreBind1CatLevTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> MetaLev -> t -> e -> b
acoreBind1CatLevTy cat n l t e = acoreBind1CatLevMetaTy cat n l acoreMetavalDflt t e
{-# INLINE acoreBind1CatLevTy #-}

acoreBind1CatMetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> m -> t -> e -> b
acoreBind1CatMetaTy cat n m t e = acoreBind1CatLevMetaTy cat n metaLevVal m t e
{-# INLINE acoreBind1CatMetaTy #-}

acoreBind1CatTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> t -> e -> b
acoreBind1CatTy cat n t e = acoreBind1CatLevTy cat n metaLevVal t e
{-# INLINE acoreBind1CatTy #-}

acoreBind1LevTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> MetaLev -> t -> e -> b
acoreBind1LevTy n l t e = acoreBind1CatLevTy (acoreBindcategDflt e) n l t e
{-# INLINE acoreBind1LevTy #-}

acoreBind1Ty :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> e -> b
acoreBind1Ty n t e = acoreBind1LevTy n metaLevVal t e
{-# INLINE acoreBind1Ty #-}

acoreBind1Cat :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> e -> b
acoreBind1Cat cat n e = acoreBind1CatTy cat n acoreTyNone {- (acoreTyErr "acoreBind1Cat") -} e
{-# INLINE acoreBind1Cat #-}

acoreBind1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> e -> b
acoreBind1 n e = acoreBind1Cat (acoreBindcategDflt e) n e
{-# INLINE acoreBind1 #-}

{-# LINE 689 "src/ehc/AbstractCore.chs" #-}
acoreBind1MetasTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> (mbind,m) -> t -> e -> b
acoreBind1MetasTy n m t e = acoreBind1CatLevMetasTy (acoreBindcategDflt e) n metaLevVal m t e
{-# INLINE acoreBind1MetasTy #-}

{-
acoreBind1Metas :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> (mbind,m) -> e -> b
acoreBind1Metas n m e = aacoreBind1MetasTy n m acoreTyNone e
{-# INLINE acoreBind1Metas #-}
-}

acoreBind1CatMeta :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> m -> e -> b
acoreBind1CatMeta cat n m e = acoreBind1CatLevMetaTy cat n metaLevVal m (acoreTyErr "acoreBind1CatMeta") e
{-# INLINE acoreBind1CatMeta #-}

acoreBind1MetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> m -> t -> e -> b
acoreBind1MetaTy n m t e = acoreBind1MetasTy n (acoreMetabindDflt,m) t e
{-# INLINE acoreBind1MetaTy #-}

{-
acoreBind1Meta :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> m -> e -> b
acoreBind1Meta n m e = acoreBind1MetaTy n m acoreTyNone e
{-# INLINE acoreBind1Meta #-}
-}


{-# LINE 716 "src/ehc/AbstractCore.chs" #-}
acoreBind1Asp1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> bound -> b
acoreBind1Asp1 n ba = acoreBind1Asp n [ba]
{-# INLINE acoreBind1Asp1 #-}

acoreBind1NmLevTy1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> MetaLev -> t -> b
acoreBind1NmLevTy1 n l t = acoreBind1Asp n [acoreBoundValTy1CatLev acoreBindcategPlain n l t]
-- {-# INLINE acoreBind1NmLevTy1 #-}

acoreBind1NmTy1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> b
acoreBind1NmTy1 n t = acoreBind1NmLevTy1 n metaLevTy t
{-# INLINE acoreBind1NmTy1 #-}

acoreBind1Nm1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> b
acoreBind1Nm1 n = acoreBind1Asp n []
{-# INLINE acoreBind1Nm1 #-}

{-# LINE 738 "src/ehc/AbstractCore.chs" #-}
acoreBoundVal1CatLevMetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> MetaLev -> m -> t -> e -> bound
acoreBoundVal1CatLevMetaTy bcat n mlev m t e = acoreBoundVal1CatLevMetasTy bcat n mlev (acoreMetabindDflt,m) t e
{-# INLINE acoreBoundVal1CatLevMetaTy #-}

acoreBoundVal1CatLevTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> MetaLev -> t -> e -> bound
acoreBoundVal1CatLevTy cat n l t e = acoreBoundVal1CatLevMetaTy cat n l acoreMetavalDflt t e
{-# INLINE acoreBoundVal1CatLevTy #-}

acoreBoundVal1CatMetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> m -> t -> e -> bound
acoreBoundVal1CatMetaTy cat n m t e = acoreBoundVal1CatLevMetaTy cat n metaLevVal m t e
{-# INLINE acoreBoundVal1CatMetaTy #-}

acoreBoundVal1CatTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> t -> e -> bound
acoreBoundVal1CatTy cat n t e = acoreBoundVal1CatLevTy cat n metaLevVal t e
{-# INLINE acoreBoundVal1CatTy #-}

acoreBoundVal1Cat :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> HsName -> e -> bound
acoreBoundVal1Cat cat n e = acoreBoundVal1CatTy cat n (acoreTyErr "acoreBoundVal1Cat") e
{-# INLINE acoreBoundVal1Cat #-}

{-# LINE 760 "src/ehc/AbstractCore.chs" #-}
acoreBoundVal1Metas :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> (mbind,m) -> e -> bound
acoreBoundVal1Metas n m e = acoreBoundVal1CatLevMetasTy (acoreBindcategDflt e) n metaLevVal m (acoreTyErr "acoreBoundVal1Metas") e
{-# INLINE acoreBoundVal1Metas #-}

acoreBoundVal1Meta :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> m -> e -> bound
acoreBoundVal1Meta n m e = acoreBoundVal1Metas n (acoreMetabindDflt,m) e
{-# INLINE acoreBoundVal1Meta #-}


{-# LINE 771 "src/ehc/AbstractCore.chs" #-}
acoreBound1AspkeyVal :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => ACoreBindAspectKeyS -> e -> bound
acoreBound1AspkeyVal a e = acoreBound1MetaVal (acoreBoundmeta a 0 CLbl_None) e
{-# INLINE acoreBound1AspkeyVal #-}

acoreBound1Val :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => e -> bound
acoreBound1Val e = acoreBound1AspkeyVal acbaspkeyDefault e
{-# INLINE acoreBound1Val #-}

{-# LINE 791 "src/ehc/AbstractCore.chs" #-}
acoreTyErrLift :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a, Functor f) => String -> f x -> f (x,t)
acoreTyErrLift msg = fmap (\n -> (n,acoreTyErr msg))
{-# INLINE acoreTyErrLift #-}

{-# LINE 801 "src/ehc/AbstractCore.chs" #-}
-- | Construct let, possibly merging bindings
acoreLetMerge :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Bool -> bcat -> [b] -> e -> e
acoreLetMerge merge c bs e
  = if null bs
    then e
    else case acoreBindcategMbStrict c of
           {-
           Just _
             ->
           -}
           _ -> case acoreExprMbLet e of
                  Just (c',bs',e') | merge && c' == c
                    -> mk c (bs++bs') e'
                  _ -> mk c bs e
  where mk c bs e
          = case acoreBindcategMbRec c of
              Just c -> acoreLetBase c bs e
              _      -> foldr (\b e -> acoreLetBase c [b] e) e bs

acoreLet :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bcat -> [b] -> e -> e
acoreLet c bs e = acoreLetMerge False c bs e
{-# INLINE acoreLet #-}

-- | Creates a let binding, where the bindings may be mutually recursive.
acoreLetRec :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => [b]  -- ^ The bindings.
    -> e    -- ^ The body.
    -> e
acoreLetRec bs e = acoreLet (acoreBindcategRec) bs e
{-# INLINE acoreLetRec #-}

{-# LINE 834 "src/ehc/AbstractCore.chs" #-}
acoreLetN :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [(bcat,[b])] -> e -> e
acoreLetN cbs e = foldr (\(c,bs) e -> acoreLet c bs e) e cbs

{-# LINE 839 "src/ehc/AbstractCore.chs" #-}
acoreLet1PlainTy :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> e -> e -> e
acoreLet1PlainTy nm t e
  = acoreLet cat [acoreBind1CatTy cat nm t e]
  where cat = acoreBindcategPlain

-- | Creates a (non-recursive) let binding.
acoreLet1Plain :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => HsName   -- ^ The identifier.
    -> e       -- ^ The expression to bind.
    -> e       -- ^ The body.
    -> e
acoreLet1Plain nm e = acoreLet1PlainTy nm (acoreTyErr "acoreLet1Plain") e
{-# INLINE acoreLet1Plain #-}

{-# LINE 855 "src/ehc/AbstractCore.chs" #-}
acoreLet1StrictTy :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> e -> e -> e
acoreLet1StrictTy nm t e
  = acoreLet cat [acoreBind1CatTy cat nm t e]
  where cat = acoreBindcategStrict

-- | Creates a let binding, which is strict in the bound expression.
acoreLet1Strict :: (Eq bcat, AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => HsName   -- ^ The identifer.
    -> e        -- ^ The expression to bind. Will be evaluated to WHNF, before the body is evaluated.
    -> e        -- ^ The body.
    -> e
acoreLet1Strict nm e = acoreLet1StrictTy nm (acoreTyErr "acoreLet1Strict") e
{-# INLINE acoreLet1Strict #-}

{-# LINE 871 "src/ehc/AbstractCore.chs" #-}
-- | evaluate an expr, with a continuation for the evaluated expr
acoreLet1StrictInMetaTyWith :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => (t->t) -> (e->e) -> HsName -> m -> t -> e -> (e -> e) -> e
acoreLet1StrictInMetaTyWith mkT mkE nm m t e mkC
  = acoreLetBase cat [acoreBind1CatMetaTy cat nm m (mkT t) (mkE e)] (mkC (acoreVar nm))
  where cat = acoreBindcategStrict

acoreMbLet1StrictInMetaTyWith :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => (t->t) -> (e->e) -> Maybe (HsName,t) -> m -> e -> (e -> e) -> e
acoreMbLet1StrictInMetaTyWith mkT mkE (Just (nm,t)) m e mkC = acoreLet1StrictInMetaTyWith mkT mkE nm m t e mkC
acoreMbLet1StrictInMetaTyWith _   _   _             m e mkC = mkC e

acoreLet1StrictInMetaTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> m -> t -> e -> (e -> e) -> e
acoreLet1StrictInMetaTy = acoreLet1StrictInMetaTyWith acoreTyUnThunk acoreExprUnThunk
{-# INLINE acoreLet1StrictInMetaTy #-}

acoreLet1StrictInMeta :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> m -> e -> (e -> e) -> e
acoreLet1StrictInMeta nm m e mkC = acoreLet1StrictInMetaTy nm m (acoreTyErr "acoreLet1StrictInMeta") e mkC
{-# INLINE acoreLet1StrictInMeta #-}

acoreLet1StrictInTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> e -> (e -> e) -> e
acoreLet1StrictInTy nm t e mkC = acoreLet1StrictInMetaTy nm acoreMetavalDflt t e mkC
{-# INLINE acoreLet1StrictInTy #-}

acoreLet1StrictIn :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> e -> (e -> e) -> e
acoreLet1StrictIn nm e mkC = acoreLet1StrictInMeta nm acoreMetavalDflt e mkC
{-# INLINE acoreLet1StrictIn #-}

{-# LINE 903 "src/ehc/AbstractCore.chs" #-}
acoreNmHole :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => UID -> e
acoreNmHole = acoreVar . mkHNm

acoreNmHolePred :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => PredOccId -> e
acoreNmHolePred = acoreNmHole . poiId

{-# LINE 915 "src/ehc/AbstractCore.chs" #-}
-- | get default for bindcateg
acoreBindcategDflt :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => e -> bcat
acoreBindcategDflt _ = acoreBindcategPlain
{-# INLINE acoreBindcategDflt #-}

{-# LINE 926 "src/ehc/AbstractCore.chs" #-}
acoreChar :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Char -> e
acoreChar opts i = let x = acoreCharTy (acoreTyChar opts) i in x

-- | Creates an `Int` constant.
acoreInt :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Int -> e
acoreInt opts i = let x = acoreIntTy (acoreTyInt opts) i in x

acoreInt2 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Integer -> e
acoreInt2 opts i = let x = acoreIntTy2 (acoreTyInt opts) i in x

{-# LINE 942 "src/ehc/AbstractCore.chs" #-}
acoreBuiltinApp :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> (EHBuiltinNames -> HsName) -> [e] -> e
acoreBuiltinApp opts bnmOf args = acoreVar (ehcOptBuiltin opts bnmOf) `acoreApp` args

{-# LINE 947 "src/ehc/AbstractCore.chs" #-}
acoreBuiltinAddInt :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> e -> Int -> e
acoreBuiltinAddInt opts e i
  = if i == 0
    then e
    else case acoreExprMbInt e of
           Just (t,i') -> acoreIntTy2 t (toInteger i + i')
           _           -> acoreBuiltinApp opts ehbnPrimAddInt [e,acoreInt opts i]

{-# LINE 957 "src/ehc/AbstractCore.chs" #-}
acoreBuiltinGtInt :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> e -> Int -> e
acoreBuiltinGtInt opts e i = acoreBuiltinApp opts ehbnPrimGtInt [e,acoreInt opts i]

{-# LINE 962 "src/ehc/AbstractCore.chs" #-}
acoreBuiltinEqChar :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Char -> e -> e
acoreBuiltinEqChar opts c e = acoreBuiltinApp opts ehbnPrimEqChar [e,acoreChar opts c]

{-# LINE 967 "src/ehc/AbstractCore.chs" #-}
-- | Creates a string expression.
-- The expression represents a packed String, which can be passed to Haskell generated Core functions.
acoreBuiltinString :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => EHCOpts
    -> String   -- ^ The string.
    -> e
acoreBuiltinString opts m = let x = acoreBuiltinApp opts ehbnPackedStringToString [acoreStringTy (acoreTyString opts) m] in x

{-# LINE 977 "src/ehc/AbstractCore.chs" #-}
-- | Generates an error expression, failing with the given string when evaluated. ('error' in haskell)
acoreBuiltinError :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => EHCOpts
    -> String -- ^ The error message.
    -> e
acoreBuiltinError opts m = acoreBuiltinApp opts ehbnError [acoreBuiltinString opts m]

-- | Generates an undefined expression, failing when evaluated. ('undefined' in haskell)
acoreBuiltinUndefined :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> e
acoreBuiltinUndefined opts = acoreBuiltinApp opts ehbnUndefined []

{-# LINE 990 "src/ehc/AbstractCore.chs" #-}
-- | Creates a Core 'Integer' constant.
acoreBuiltinInteger :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a)
    => EHCOpts
    -> Integer  -- ^ The integer.
    -> e
acoreBuiltinInteger opts i = acoreBuiltinApp opts ehbnPackedStringToInteger [acoreStringTy (acoreTyString opts) (show i)]

{-# LINE 999 "src/ehc/AbstractCore.chs" #-}
-- | Builtin list singleton (note: hardcoded of tags)
acoreBuiltinListSingleton :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> e -> e
acoreBuiltinListSingleton opts e
  = acoreTagTupTy (ctagCons opts) (acoreTyErr "acoreBuiltinListSingleton.Cons") [e, acoreTagTupTy (ctagNil opts) (acoreTyErr "acoreBuiltinListSingleton.Nil") []]

{-# LINE 1010 "src/ehc/AbstractCore.chs" #-}
-- | when pat is con get tag
acorePatConMbTag :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => p -> Maybe CTag
acorePatConMbTag = fmap (\(tg,_,_) -> tg) . acorePatMbCon

-- | possibly get tag of alt
acoreAltMbTag :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => a -> Maybe CTag
acoreAltMbTag = (\p ->     (\(tg,_,_) -> tg) <$> acorePatMbCon  p
                       <|> (const ctagInt)   <$> acorePatMbInt  p
                       -- <|> (const ctagChar)  <$> acorePatMbChar p
                ) . fst . acoreUnAlt

{-# LINE 1027 "src/ehc/AbstractCore.chs" #-}
-- | bound name of binding
acoreBindNm :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => b -> HsName
acoreBindNm = fst . acoreUnBind
{-# INLINE acoreBindNm #-}

{-# LINE 1038 "src/ehc/AbstractCore.chs" #-}
-- | bound name of binding
acorePatFldTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => t -> (HsName,e) -> HsName -> pf
acorePatFldTy t lbloff n = acorePatFldBind lbloff (acoreBind1NmTy1 n t)
{-# INLINE acorePatFldTy #-}

{-# LINE 1049 "src/ehc/AbstractCore.chs" #-}
-- | possible expr of bound (may panic)
acoreUnBoundVal :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => bound -> e
acoreUnBoundVal = maybe (panic "acoreBoundMbVal") (\(_,a) -> a) . acoreBoundMbVal
{-# INLINE acoreUnBoundVal #-}

{-# LINE 1060 "src/ehc/AbstractCore.chs" #-}
-- | Construct 'if' expression. Hardcoded: tag nr, ordered alts (by tag)
acoreIf :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Maybe HsName -> e -> e -> e -> e
acoreIf opts cn c t f
  = acoreMbLet1StrictInMetaTyWith id id (fmap (\n -> (n,acoreTyBool opts)) cn) acoreMetavalDflt c
    $ (\c -> acoreCaseDflt c
               [ acoreAlt (acorePatCon (ctagFalse opts) acorePatRestEmpty []) f
               , acoreAlt (acorePatCon (ctagTrue  opts) acorePatRestEmpty []) t
               ]
               Nothing {-(tcUndefined opts)-}
      )

{-# LINE 1073 "src/ehc/AbstractCore.chs" #-}
acoreMatchChar :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => EHCOpts -> Maybe HsName -> Char -> e -> e -> e -> e
acoreMatchChar opts cn cchar cexpr t f
  = acoreIf opts cn (acoreBuiltinEqChar opts cchar cexpr) t f

{-# LINE 1103 "src/ehc/AbstractCore.chs" #-}
data Coe' expr metaval bind bindasp ty
  = Coe_Map             !(expr -> expr)                 -- normal, expression as function
  | Coe_C               !expr                           -- constant
  | Coe_Compose         !(Coe' expr metaval bind bindasp ty)    -- composition
                        !(Coe' expr metaval bind bindasp ty)
  | Coe_App1            !expr                           -- apply
  | Coe_App             [HsName]                        -- apply n args
  | Coe_Lam             !HsName !ty                     -- lambda
  | Coe_CloseExists     !TyVarId !ty !ty                -- closing existential
  | Coe_OpenExists      !TyVarId !ty !ty                -- opening existential
  | Coe_LamLet          !HsName !ty !UID                -- lambda with a let binding in the body
  | Coe_LetRec          ![bind]                         -- let rec
  | Coe_ImplApp         !ImplsVarId                     -- implicits, for apply
  | Coe_ImplLam         !ImplsVarId                     -- implicits, for lambda

instance Show (Coe' expr metaval bind bindasp ty) where
  show _ = "COE"

{-# LINE 1140 "src/ehc/AbstractCore.chs" #-}
-- | Coercions may either be applied or not on type arguments.
--   In particular, due to lack of proper analysis (and generics code like generation),
--   it is only known for arrow and product types how to construct a coercion from its type args, as they directly
--   correspond to values.
--
--   A CoeCtx encodes this yes/no may allow.
--   A CoeCtx is isomorphic (for now) to Bool.
data CoeCtx
  = CoeCtx_Allow
  | CoeCtx_DontAllow
  deriving (Eq,Show)

{-# LINE 1158 "src/ehc/AbstractCore.chs" #-}
-- | Non inspectable, most general, coercion
acoreCoeMap :: (e -> e) -> Coe' e m b ba t
acoreCoeMap = Coe_Map
{-# INLINE acoreCoeMap #-}

-- | Coe identity
acoreCoeId :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Coe' e m b ba t
acoreCoeId = Coe_C acoreCoeArg
{-# INLINE acoreCoeId #-}

{-# LINE 1170 "src/ehc/AbstractCore.chs" #-}
acoreCoeLamLetTy :: HsName -> t -> UID -> Coe' e m b ba t
acoreCoeLamLetTy = Coe_LamLet
{-# INLINE acoreCoeLamLetTy #-}

acoreCoeLamLet :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> UID -> Coe' e m b ba t
acoreCoeLamLet n u = acoreCoeLamLetTy n (acoreTyErr "acoreCoeLamLet") u
{-# INLINE acoreCoeLamLet #-}

-- | Let still requiring a body
acoreCoeLetRec :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [b] -> Coe' e m b ba t
acoreCoeLetRec [] = acoreCoeId
acoreCoeLetRec bs = Coe_LetRec bs

{-# LINE 1185 "src/ehc/AbstractCore.chs" #-}
-- | Application still requiring a function
acoreCoeApp1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => e -> Coe' e m b ba t
acoreCoeApp1 = Coe_App1 -- a acoreMetavalDflt
{-# INLINE acoreCoeApp1 #-}

acoreCoeAppNbyName :: [(HsName)] -> Coe' e m b ba t
acoreCoeAppNbyName = Coe_App
{-# INLINE acoreCoeAppNbyName #-}

-- acoreCoeApp2 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [(e)] -> Coe' e m b ba t
-- acoreCoeApp2 as = acoreCoeMap (\e -> acoreApp e as)

acoreCoeAppN :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [e] -> Coe' e m b ba t
acoreCoeAppN as = acoreCoeMap (\e -> acoreApp e as)
{-# INLINE acoreCoeAppN #-}

{-# LINE 1203 "src/ehc/AbstractCore.chs" #-}
-- | Lambda still requiring a body
acoreCoeLam1Ty :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> t -> Coe' e m b ba t
acoreCoeLam1Ty = Coe_Lam
{-# INLINE acoreCoeLam1Ty #-}

acoreCoeLam1 :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => HsName -> Coe' e m b ba t
acoreCoeLam1 n = acoreCoeLam1Ty n (acoreTyErr "acoreCoeLam1")
{-# INLINE acoreCoeLam1 #-}

{-# LINE 1214 "src/ehc/AbstractCore.chs" #-}
-- | Composition of 2 Coe's
acoreCoeCompose :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Coe' e m b ba t -> Coe' e m b ba t -> Coe' e m b ba t
acoreCoeCompose c1 c2
  | acoreCoeIsId c1 = c2
  | otherwise  = Coe_Compose c1 c2


{-# LINE 1223 "src/ehc/AbstractCore.chs" #-}
acoreCoePoiLApp :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => [PredOccId] -> [Coe' e m b ba t]
acoreCoePoiLApp = map (\i -> acoreCoeApp1 (acoreNmHolePred i))

acoreCoeImplsApp :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Impls -> [Coe' e m b ba t]
acoreCoeImplsApp = acoreCoePoiLApp . implsPrIdL

{-# LINE 1231 "src/ehc/AbstractCore.chs" #-}
acoreCoePoiLLamTy :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Coe' e m b ba t -> [(PredOccId,t)] -> [Coe' e m b ba t]
acoreCoePoiLLamTy onLast poiL
  =  case map mk poiL of
       l@(_:_)            -> h ++ [t `acoreCoeCompose` onLast]
                          where (h,t) = fromJust $ initlast l
       _ | acoreCoeIsId onLast -> []
         | otherwise      -> [onLast]
  where mk (poi,ty) = acoreCoeLam1Ty (poiHNm poi) ty

acoreCoeImplsLam :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Coe' e m b ba t -> Impls -> [Coe' e m b ba t]
acoreCoeImplsLam onLast is = acoreCoePoiLLamTy onLast (acoreTyErrLift "acoreCoeImplsLam" (implsPrIdL is))

{-# LINE 1249 "src/ehc/AbstractCore.chs" #-}
acoreCoeIsId :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => Coe' e m b ba t -> Bool
acoreCoeIsId (Coe_C e) = acoreExprIsCoeArg e
acoreCoeIsId _         = False

{-# LINE 1259 "src/ehc/AbstractCore.chs" #-}
data CSubstKey
  = CSKey_UID   UID
  | CSKey_Nm    HsName
  | CSKey_Ref   ACoreBindRef
  deriving (Show,Eq,Ord)

{-# LINE 1267 "src/ehc/AbstractCore.chs" #-}
data CSubstInfo' expr metaval bind bindasp ty
  =  CSITy        { csiTy      :: !ty
                  }
  |  CSIExpr      { csiRepl    :: !expr
                  }
  |  CSIImpls     { csiAppCoeL :: ![Coe' expr metaval bind bindasp ty]
                  , csiLamCoeL :: ![Coe' expr metaval bind bindasp ty]
                  }
  |  CSIBinds     { csiBindL   :: ![bind]
                  }

instance Show (CSubstInfo' e m b ba t) where
  show _ = "CSubstInfo'"

{-# LINE 1285 "src/ehc/AbstractCore.chs" #-}
type CSubst' e m b ba t = Map.Map CSubstKey (CSubstInfo' e m b ba t)

emptyCSubst :: CSubst' e m b ba t
emptyCSubst = Map.empty

{-# LINE 1296 "src/ehc/AbstractCore.chs" #-}
acoreCSubstFromNmTyL :: AssocL HsName t -> CSubst' e m b ba t
acoreCSubstFromNmTyL l = Map.fromList [ (CSKey_Nm k,CSITy v) | (k,v) <- l ]

{-# LINE 1301 "src/ehc/AbstractCore.chs" #-}
acoreCSubstFromRefExprL :: AssocL ACoreBindRef e -> CSubst' e m b ba t
acoreCSubstFromRefExprL l = Map.fromList [ (CSKey_Ref k,CSIExpr v) | (k,v) <- l ]

{-# LINE 1306 "src/ehc/AbstractCore.chs" #-}
acoreCSubstFromUidExprL :: AssocL UID e -> CSubst' e m b ba t
acoreCSubstFromUidExprL l = Map.fromList [ (CSKey_UID k,CSIExpr v) | (k,v) <- l ]

{-# LINE 1311 "src/ehc/AbstractCore.chs" #-}
acoreCSubstFromUidBindLL :: AssocL UID [b] -> CSubst' e m b ba t
acoreCSubstFromUidBindLL l = Map.fromList [ (CSKey_UID k,CSIBinds v) | (k,v) <- l ]

acoreCSubstFromUidImplsL :: AssocL UID ([Coe' e m b ba t],[Coe' e m b ba t]) -> CSubst' e m b ba t
acoreCSubstFromUidImplsL l = Map.fromList [ (CSKey_UID k,uncurry CSIImpls v) | (k,v) <- l ]

{-# LINE 1323 "src/ehc/AbstractCore.chs" #-}
-- | Combine CSubst: union only, application is postponed
cSubstAppSubst :: CSubst' e m b ba t -> CSubst' e m b ba t -> CSubst' e m b ba t
cSubstAppSubst = Map.union

{-# LINE 1333 "src/ehc/AbstractCore.chs" #-}
infixr `cSubstApp`

class CSubstitutable       e m b ba t a
                   | a  -> e m b ba t
  where
  cSubstApp :: CSubst' e m b ba t -> a -> a

instance CSubstitutable e m b ba t (CSubst' e m b ba t) where
  cSubstApp cs s = cs `cSubstAppSubst` s

{-# LINE 1349 "src/ehc/AbstractCore.chs" #-}
data RAlt' e t b pr
  = RAlt_Alt            { rcaPats :: ![RPat' e t b pr], raaExpr :: !e, raaFailS :: UIDS }

data RPat' e t b pr
  = RPat_Var            { rcpPNm :: !RPatNm, rcpTy :: !t, rcpMustEval :: Bool }
  | RPat_Con            { rcpPNm :: !RPatNm, rcpTy :: !t, rcpTag :: !CTag, rcpBinds :: !(RPatConBind' e t b pr) }
  | RPat_Int            { rcpPNm :: !RPatNm, rcpTy :: !t, rcpInt :: !Integer }
  | RPat_Char           { rcpPNm :: !RPatNm, rcpTy :: !t, rcpChar :: !Char }
  | RPat_Irrefutable    { rcpPNm :: !RPatNm, rcpTy :: !t, rcpValBindL :: ![b] }
  | RPat_BoolExpr       { rcpPNm :: !RPatNm, rcpTy :: !t, rcpExpr :: !e, rcpMbConst :: Maybe SrcConst }

data RPatConBind' e t b pr
  = RPatConBind_One     { rpcbRest :: !pr, rpcbBinds :: ![RPatFld' e t b pr] }
  | RPatConBind_Many    { rpcbConBinds :: ![RPatConBind' e t b pr] }

data RPatFld' e t b pr
  = RPatFld_Fld         { rpbLbl :: !HsName, rpbOffset :: !e, rpbNm :: !HsName, rpbPat :: !(RPat' e t b pr)}

type RCEAltL' e t b pr = [RAlt' e t b pr]

{-# LINE 1373 "src/ehc/AbstractCore.chs" #-}
rcaPat :: RAlt' e t b pr -> RPat' e t b pr
rcaPat = head . rcaPats

raltLPatNms :: [RAlt' e t b pr] -> [RPatNm]
raltLPatNms = nub . sort . map (rcpPNm . rcaPat)

{-# LINE 1381 "src/ehc/AbstractCore.chs" #-}
rpatConTag :: RPat' e t b pr -> CTag
rpatConTag (RPat_Int  _ _ _ )  = ctagInt
rpatConTag (RPat_Char _ _ _ )  = ctagChar
rpatConTag p                   = rcpTag p

rcaTag :: RAlt' e t b pr -> CTag
rcaTag = rpatConTag . head . rcaPats

{-# LINE 1391 "src/ehc/AbstractCore.chs" #-}
raltIsVar :: RAlt' e t b pr -> Bool
raltIsVar (RAlt_Alt (RPat_Var _ _ _ : _) _ _)  = True
raltIsVar _                                    = False

raltIsConst :: RAlt' e t b pr -> Bool
raltIsConst (RAlt_Alt (p : _) _ _)
  = c p
  where c (RPat_Int   _ _ _) = True
        c (RPat_Char  _ _ _) = True
        c _                  = False
raltIsConst _                = False

{-# LINE 1405 "src/ehc/AbstractCore.chs" #-}
raltIsConMany :: RAlt' e t b pr -> Bool
raltIsConMany (RAlt_Alt (RPat_Con _ _ _ (RPatConBind_Many _) : _) _ _) = True
raltIsConMany _                                                        = False

{-# LINE 1411 "src/ehc/AbstractCore.chs" #-}
raltIsIrrefutable :: RAlt' e t b pr -> Bool
raltIsIrrefutable (RAlt_Alt (RPat_Irrefutable _ _ _ : _) _ _) = True
raltIsIrrefutable _                                           = False

{-# LINE 1417 "src/ehc/AbstractCore.chs" #-}
raltMbBoolExpr :: RAlt' e t b pr -> Maybe (Maybe SrcConst)
raltMbBoolExpr (RAlt_Alt (RPat_BoolExpr _ _ _ e : _) _ _)  = Just e
raltMbBoolExpr _                                           = Nothing

raltIsBoolExpr :: RAlt' e t b pr -> Bool
raltIsBoolExpr = isJust . raltMbBoolExpr

{-# LINE 1428 "src/ehc/AbstractCore.chs" #-}
rpatConBindUnFlatten :: RPatConBind' e t b pr -> [RPatConBind' e t b pr] -> RPatConBind' e t b pr
rpatConBindUnFlatten z []  = z
rpatConBindUnFlatten _ [b] = b
rpatConBindUnFlatten _ bs  = RPatConBind_Many bs

{-# LINE 1439 "src/ehc/AbstractCore.chs" #-}
acoreRPat2Pat :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => RPat' e t b pr -> p
acoreRPat2Pat p
  = case p of
      RPat_Var      n ty _    -> acorePatVarTy  (rpatNmNm n) ty
      RPat_Con      n _ t b   -> acorePatCon    t r bs
                              where (r,bs) = acoreRPatConBind2PatConBind b
      RPat_Int      n ty v    -> acorePatIntTy2 ty v
      RPat_Char     n ty v    -> acorePatCharTy ty v
      RPat_BoolExpr n _  v _  -> acorePatBoolExpr  v

{-# LINE 1453 "src/ehc/AbstractCore.chs" #-}
acoreRPatConBind2PatConBind :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => RPatConBind' e t b pr -> (pr,[pf])
acoreRPatConBind2PatConBind b
  = case b of
      RPatConBind_One   r bs    -> (r,map acoreRPatBind2PatFld bs)
      RPatConBind_Many  bs      -> head (map acoreRPatConBind2PatConBind bs)

acoreRPatBind2PatFld :: (AbstractCore e m b bound boundmeta bcat mbind t p pr pf a) => RPatFld' e t b pr -> pf
acoreRPatBind2PatFld (RPatFld_Fld l o _ p@(RPat_Var n _ _)) = acorePatFldTy (rcpTy p) (l,o) (rpatNmNm n)

{-# LINE 1470 "src/ehc/AbstractCore.chs" #-}
ctagTrue, ctagFalse :: EHCOpts -> CTag
ctagTrue  opts = CTag (ehcOptBuiltin opts ehbnDataBool) (ehcOptBuiltin opts ehbnBoolTrue)  tagBoolTrue  0 0        -- this makes it hardcoded, ideally dependent on datatype def itself !!
ctagFalse opts = CTag (ehcOptBuiltin opts ehbnDataBool) (ehcOptBuiltin opts ehbnBoolFalse) tagBoolFalse 0 0        -- this makes it hardcoded, ideally dependent on datatype def itself !!

{-# LINE 1482 "src/ehc/AbstractCore.chs" #-}
ctagCons, ctagNil :: EHCOpts -> CTag
ctagCons opts = CTag (ehcOptBuiltin opts ehbnDataList) (ehcOptBuiltin opts ehbnDataListAltCons) tagListCons 2 2       -- this makes it hardcoded, ideally dependent on datatype def itself !!
ctagNil  opts = CTag (ehcOptBuiltin opts ehbnDataList) (ehcOptBuiltin opts ehbnDataListAltNil ) tagListNil  0 2       -- this makes it hardcoded, ideally dependent on datatype def itself !!

{-# LINE 1492 "src/ehc/AbstractCore.chs" #-}
-- | Reason to fail a case alternative
data CaseAltFailReason
  = CaseAltFailReason_Absence                   -- failed because of absence
  | CaseAltFailReason_Continue
      { cafailCaseId        :: UID              -- failed as part of case match attempt, but continues with code identified by id
      }
  deriving (Show,Eq,Ord)

instance PP CaseAltFailReason where
  pp (CaseAltFailReason_Continue i) = pp i
  pp (CaseAltFailReason_Absence   ) = pp "absent"

{-# LINE 1506 "src/ehc/AbstractCore.chs" #-}
cafailHasId :: CaseAltFailReason -> (Bool,UID)
cafailHasId (CaseAltFailReason_Absence   ) = (False,uidUnused)
cafailHasId (CaseAltFailReason_Continue i) = (True ,i)

{-# LINE 1512 "src/ehc/AbstractCore.chs" #-}
deriving instance Typeable CaseAltFailReason
deriving instance Data CaseAltFailReason

{-# LINE 1521 "src/ehc/AbstractCore.chs" #-}
data AppFunKind
  = AppFunKind_NoApp                    -- inlined Nothing
  | AppFunKind_Fun  ACoreBindRef
  | AppFunKind_Tag  CTag
  | AppFunKind_FFI

{-# LINE 1533 "src/ehc/AbstractCore.chs" #-}

-- | What kind of Expr?
data WhatExpr
  = ExprIsLam   Int				-- arity
                (Maybe HsName)	-- possibly name bound to
  | ExprIsApp   Int         	-- arity
  				WhatExpr		-- function
  | ExprIsVar   HsName
  | ExprIsInt   Int
  | ExprIsTup   CTag
  | ExprIsFFI
  | ExprIsOtherWHNF
  | ExprIsOther
  | ExprIsBind 	HsName
  deriving Eq

{-# LINE 1551 "src/ehc/AbstractCore.chs" #-}
-- | is an var?
whatExprMbVar :: WhatExpr -> Maybe HsName
whatExprMbVar (ExprIsVar a) = Just a
whatExprMbVar _             = Nothing

-- | is an app?
whatExprMbApp :: WhatExpr -> Maybe (Int,WhatExpr)
whatExprMbApp (ExprIsApp a w) = Just (a,w)
whatExprMbApp _               = Nothing

-- | is a lam?
whatExprMbLam' :: WhatExpr -> Maybe (Int, Maybe HsName)
whatExprMbLam' (ExprIsLam a n) = Just (a, n)
whatExprMbLam' _               = Nothing

-- | is a lam?
whatExprMbLam :: WhatExpr -> Maybe Int
whatExprMbLam (ExprIsLam a _) = Just a
whatExprMbLam _               = Nothing

-- | is a bind?
whatExprMbBind :: WhatExpr -> Maybe HsName
whatExprMbBind (ExprIsBind n) = Just n
whatExprMbBind _              = Nothing

-- | app arity
whatExprAppArity :: WhatExpr -> Int
whatExprAppArity (ExprIsApp a _) = a
whatExprAppArity _               = 0

{-# LINE 1583 "src/ehc/AbstractCore.chs" #-}
whatExprIsWHNF :: WhatExpr -> Bool
whatExprIsWHNF (ExprIsLam _ _) 	= True
whatExprIsWHNF (ExprIsVar _) 	= True
whatExprIsWHNF (ExprIsInt _) 	= True
whatExprIsWHNF (ExprIsTup _) 	= True
whatExprIsWHNF ExprIsOtherWHNF 	= True
whatExprIsWHNF _ 				= False

{-# LINE 1593 "src/ehc/AbstractCore.chs" #-}
whatExprIsBind :: WhatExpr -> Bool
whatExprIsBind = isJust . whatExprMbBind
{-# INLINE whatExprIsBind #-}

whatExprIsLam :: WhatExpr -> Bool
whatExprIsLam = isJust . whatExprMbLam
{-# INLINE whatExprIsLam #-}

-- | Is Expr a Tup?
whatExprIsTup :: WhatExpr -> Bool
whatExprIsTup (ExprIsTup _) = True
whatExprIsTup _             = False


{-# LINE 1609 "src/ehc/AbstractCore.chs" #-}
-- | Is Expr a FFI?
whatExprIsFFI :: WhatExpr -> Bool
whatExprIsFFI (ExprIsFFI  ) = True
whatExprIsFFI _             = False


{-# LINE 1627 "src/ehc/AbstractCore.chs" #-}
instance Serialize ACoreBindAspectKey where
  sput (ACoreBindAspectKey_Default       ) = sputWord8 0
  sput (ACoreBindAspectKey_Strict        ) = sputWord8 1
  sput (ACoreBindAspectKey_Ty            ) = sputWord8 2
  sput (ACoreBindAspectKey_RelevTy       ) = sputWord8 3
  sput (ACoreBindAspectKey_Debug         ) = sputWord8 4
  sput (ACoreBindAspectKey_Core          ) = sputWord8 5
  sput (ACoreBindAspectKey_FusionRole    ) = sputWord8 7
  sget = do
    t <- sgetWord8
    case t of
        0 -> return ACoreBindAspectKey_Default
        1 -> return ACoreBindAspectKey_Strict
        2 -> return ACoreBindAspectKey_Ty
        3 -> return ACoreBindAspectKey_RelevTy
        4 -> return ACoreBindAspectKey_Debug
        5 -> return ACoreBindAspectKey_Core
        7 -> return ACoreBindAspectKey_FusionRole

{-# LINE 1658 "src/ehc/AbstractCore.chs" #-}
instance Serialize ACoreBindRef where
  sput (ACoreBindRef a b) = sput a >> sput b
  sget = liftM2 ACoreBindRef sget sget

{-# LINE 1664 "src/ehc/AbstractCore.chs" #-}
instance Serialize CaseAltFailReason where
  sput (CaseAltFailReason_Continue a) = sputWord8 0 >> sput a
  sput (CaseAltFailReason_Absence   ) = sputWord8 1
  sget = do
    t <- sgetWord8
    case t of
      0 -> liftM  CaseAltFailReason_Continue sget
      1 -> return CaseAltFailReason_Absence

{-# LINE 1679 "src/ehc/AbstractCore.chs" #-}
instance PP CSubstKey where
  pp (CSKey_UID i)  = pp i
  pp (CSKey_Nm  n)  = pp n
  pp (CSKey_Ref r)  = pp r

{-# LINE 1686 "src/ehc/AbstractCore.chs" #-}
instance (PP expr, PP ty) => PP (CSubstInfo' expr metaval bind bindasp ty) where
  pp (CSITy         t    )  = pp t
  pp (CSIExpr       e    )  = pp e
  pp (CSIImpls      l r  )  = pp "CSIImpls" -- pp (fst $ coeWeaveOnAsSubst uidStart l r CExpr_CoeArg)
  pp (CSIBinds      b    )  = pp "CSIBinds" -- ppCBindL b