uhc-light-1.1.9.2: src/UHC/Light/Compiler/Base/HsName.hs
module UHC.Light.Compiler.Base.HsName
( HSNM (..)
, HsName
, hsnEmpty
, mkHNmBase
, hsnEnsureIsBase
, hsnBaseUnpack', hsnBaseUnpack
, hsnMbBaseString, hsnIsBaseString, hsnBaseString
, hsnFromString
, hsnInitLast
, hsnPrefix, hsnSuffix, mkHNmPrefix
, IdOccKind (..)
, IdOcc (..)
, hsnUnknown
, HsNameS
, HsNameUniqifier (..)
, HsNameUnique (..)
, HsNameUniqifierMp
, hsnUniqify, hsnUniqifyUID, hsnUniqifyStr, hsnUniqifyInt, hsnUniqifyEval
, hsnMbPos, hsnIsPos
, hsnMkModf
, mkHNmPos
, cmpHsNameOnNm
, hsnShow, hsnShow'
, rowLabCmp
, OrigName (..)
, hsnStripUniqify
, hsnSimplifications
, hsnMbNr, hsnIsNr
, hsnMkNr
, hsnShowAlphanumeric, hsnShowAlphanumericShort
, hsnSplitQualify, hsnQualified, hsnPrefixQual, hsnMapQualified
, hsnQualifier, hsnSetQual, hsnIsQual
, hsnFixUniqifiers
, hsnStripUniqifiers
, hsnSafeJavaLike
, FvS, FvSMp
, HsNameMp, hsnRepl
, RPatNm (..)
, rpatNmIsOrig
, Track (..)
, hsnConcat
, hsnMapQual, hsnSetLevQual
, hsnQualUniqify )
where
import UHC.Util.Utils
import UHC.Util.Pretty
import Data.List
import Data.Typeable (Typeable)
import Data.Generics (Data)
import GHC.Generics
import UHC.Light.Compiler.Base.UID
import UU.Scanner.Position
import UHC.Util.Hashable
import qualified Data.Set as Set
import Data.Maybe
import qualified Data.Map as Map
import qualified Data.Set as Set
import Data.Maybe
import Data.Char
import Numeric
import UHC.Util.FPath
import Data.Char
import Control.Monad
import UHC.Util.Binary
import UHC.Util.Serialize
{-# LINE 63 "src/ehc/Base/HsName.chs" #-}
-- | A HsNameUniqifier represents the 'type' of unification
data HsNameUniqifier
= HsNameUniqifier_Blank -- just a new identifier, with an empty show
| HsNameUniqifier_New -- just a new identifier
| HsNameUniqifier_Error -- error
| HsNameUniqifier_GloballyUnique -- globally unique
| HsNameUniqifier_Evaluated -- evaluated
| HsNameUniqifier_Field -- extracted field
| HsNameUniqifier_Class -- class
| HsNameUniqifier_ClassDict -- dictionary
| HsNameUniqifier_SelfDict -- dictionary under construction itself, passed as arg in tying the knot recursion
| HsNameUniqifier_ResultDict -- dictionary under construction result
| HsNameUniqifier_SuperClass -- super class field
| HsNameUniqifier_DictField -- dictionary field
| HsNameUniqifier_Inline -- new identifier because of inlining
| HsNameUniqifier_GloballyUniqueDict -- globally unique dictionary
| HsNameUniqifier_FieldOffset -- offset for a field
| HsNameUniqifier_CaseContinuation -- continuation of a case expression
| HsNameUniqifier_GrinUpdated -- Grin: updated value
| HsNameUniqifier_FFIArg -- arg evaluated for FFI
| HsNameUniqifier_LacksLabel -- label used in lacking predicates
| HsNameUniqifier_BindAspect -- binding aspect
| HsNameUniqifier_Strict -- strict variant of binding
| HsNameUniqifier_GenericClass -- a name introduced by generics
| HsNameUniqifier_FFE -- name of value to be ff exported
| HsNameUniqifier_FFECoerced -- name of possibly coerced value to be ff exported
| HsNameUniqifier_CoreAPI -- Used by the Core API, to allow external programs to generate new identifiers.
deriving (Eq,Ord,Enum,Generic)
instance Hashable HsNameUniqifier
-- | The show of a HsNameUniqifier is found back in the pretty printed code, current convention is 3 uppercase letters, as a balance between size and clarity of meaning
instance Show HsNameUniqifier where
show HsNameUniqifier_Blank = ""
show HsNameUniqifier_New = "NEW"
show HsNameUniqifier_Error = "ERR"
show HsNameUniqifier_GloballyUnique = "UNQ"
show HsNameUniqifier_Evaluated = "EVL"
show HsNameUniqifier_Field = "FLD"
show HsNameUniqifier_Class = "CLS"
show HsNameUniqifier_ClassDict = "DCT"
show HsNameUniqifier_SelfDict = "SDC"
show HsNameUniqifier_ResultDict = "RDC"
show HsNameUniqifier_SuperClass = "SUP"
show HsNameUniqifier_DictField = "DFL"
show HsNameUniqifier_Inline = "INL"
show HsNameUniqifier_GloballyUniqueDict = "UND"
show HsNameUniqifier_FieldOffset = "OFF"
show HsNameUniqifier_CaseContinuation = "CCN"
show HsNameUniqifier_GrinUpdated = "UPD"
show HsNameUniqifier_FFIArg = "FFI"
show HsNameUniqifier_LacksLabel = "LBL"
show HsNameUniqifier_BindAspect = "ASP"
show HsNameUniqifier_Strict = "STR"
show HsNameUniqifier_GenericClass = "GEN"
show HsNameUniqifier_FFE = "FFE"
show HsNameUniqifier_FFECoerced = "FFC"
show HsNameUniqifier_CoreAPI = "CRA"
{-# LINE 154 "src/ehc/Base/HsName.chs" #-}
-- | A HsNameUnique represents the optional additional info to make the uniqification even more unique
data HsNameUnique
= HsNameUnique_None
| HsNameUnique_String !String
| HsNameUnique_Int !Int
| HsNameUnique_UID !UID
deriving (Eq,Ord,Generic)
instance Hashable HsNameUnique
showHsNameUnique :: (UID -> String) -> (String -> String) -> HsNameUnique -> String
showHsNameUnique _ _ (HsNameUnique_None ) = ""
showHsNameUnique _ shws (HsNameUnique_String s) = shws s
showHsNameUnique _ _ (HsNameUnique_Int i) = show i
showHsNameUnique shwu _ (HsNameUnique_UID u) = shwu u
instance Show HsNameUnique where
show = showHsNameUnique hsnShowUID id
{-# LINE 175 "src/ehc/Base/HsName.chs" #-}
type HsNameUniqifierMp = Map.Map HsNameUniqifier [HsNameUnique]
emptyHsNameUniqifierMp :: HsNameUniqifierMp
emptyHsNameUniqifierMp = Map.empty
-- | Show uniqifier map, parseable back again when properly parameterized.
showHsNameUniqifierMp'' :: (UID -> String) -> (String -> String) -> (String -> String) -> Bool -> String -> HsNameUniqifierMp -> [String]
showHsNameUniqifierMp'' shwu shws brk showLen usep us
= [ usep ++ slen u ++ show uqf ++ (brk $ concat [ usep ++ showHsNameUnique shwu shws uu | uu <- u, uu /= HsNameUnique_None ]) | (uqf,u) <- Map.toList us ]
where slen u | showLen && l /= 1 = usep ++ show l
| otherwise = ""
where l = length u
showHsNameUniqifierMp' :: Bool -> String -> HsNameUniqifierMp -> [String]
showHsNameUniqifierMp' = showHsNameUniqifierMp'' hsnShowUID id id
showHsNameUniqifierMp :: String -> HsNameUniqifierMp -> [String]
showHsNameUniqifierMp = showHsNameUniqifierMp' True
{-# LINE 210 "src/ehc/Base/HsName.chs" #-}
uniqifierMpAdd :: HsNameUniqifier -> HsNameUnique -> HsNameUniqifierMp -> HsNameUniqifierMp
uniqifierMpAdd ufier u m = Map.unionWith (++) (Map.singleton ufier [u]) m
uniqifierMpUnion :: HsNameUniqifierMp -> HsNameUniqifierMp -> HsNameUniqifierMp
uniqifierMpUnion = Map.unionWith (++)
{-# LINE 222 "src/ehc/Base/HsName.chs" #-}
hsnUniqify' :: HsNameUniqifier -> HsNameUnique -> HsName -> HsName
hsnUniqify' ufier u
= mk
where mk n@(HsName_Modf {hsnUniqifiers=us}) = hsnFixateHash (n {hsnUniqifiers = uniqifierMpAdd ufier u us})
mk n = mk (hsnMkModf [] n Map.empty)
-- | Uniqify with just a name suffix
hsnUniqify :: HsNameUniqifier -> HsName -> HsName
hsnUniqify ufier = hsnUniqify' ufier HsNameUnique_None
-- | Uniqify with a name suffix + extra Int uniq info
hsnUniqifyInt :: HsNameUniqifier -> Int -> HsName -> HsName
hsnUniqifyInt ufier u = hsnUniqify' ufier (HsNameUnique_Int u)
-- | Uniqify with a name suffix + extra UID uniq info
hsnUniqifyUID :: HsNameUniqifier -> UID -> HsName -> HsName
hsnUniqifyUID ufier u = hsnUniqify' ufier (HsNameUnique_UID u)
-- | Uniqify with a name suffix + extra String uniq info
hsnUniqifyStr :: HsNameUniqifier -> String -> HsName -> HsName
hsnUniqifyStr ufier u = hsnUniqify' ufier (HsNameUnique_String u)
-- | Uniqify for use as evaluated name
hsnUniqifyEval :: HsName -> HsName
hsnUniqifyEval = hsnUniqify HsNameUniqifier_Evaluated
{-# LINE 250 "src/ehc/Base/HsName.chs" #-}
-- | Remove uniqification, if present
hsnStripUniqify :: HsName -> Maybe HsName
hsnStripUniqify n@(HsName_Modf {hsnUniqifiers=us})
| Map.null us = Nothing
| otherwise = Just $ n {hsnUniqifiers = Map.empty}
hsnStripUniqify _ = Nothing
{-# LINE 259 "src/ehc/Base/HsName.chs" #-}
-- | Simplify name into list of simplifications of increasing complexity, all strictly simpler than the one given. [] therefore means no simplifications exist
hsnSimplifications :: HsName -> [HsName]
hsnSimplifications n@(HsName_Modf {}) = case hsnStripUniqify n of
Just n' -> hsnSimplifications n' ++ [n']
_ -> hsnSimplifications $ hsnBase n
hsnSimplifications (HsName_UID {hsnUID = u}) = map mkHNm $ uidSimplifications u
-- hsnSimplifications n@(HsName_Base {} ) = [] -- [n]
hsnSimplifications _ = []
{-# LINE 274 "src/ehc/Base/HsName.chs" #-}
hsnHashWithSalt :: Int -> HsName -> Int
hsnHashWithSalt salt (HsName_Base s ) = hashWithSalt salt s
hsnHashWithSalt salt (HsName_UID i ) = hashWithSalt salt i
hsnHashWithSalt salt (HsName_Pos p ) = hashWithSalt salt p
hsnHashWithSalt salt (HsName_Modf _ q b u) = hashWithSalt salt q `hashWithSalt` hashWithSalt salt b `hashWithSalt` hashWithSalt salt (Map.toList u)
hsnHashWithSalt salt (HsName_Nr i n ) = i `hashWithSalt` hashWithSalt salt n
instance Hashable HsName where
hashWithSalt salt n@(HsName_Modf h _ _ _) | h /= 0 = h
hashWithSalt salt n = hsnHashWithSalt salt n
{- 20150221: done via generics
instance Hashable OrigName where
hashWithSalt salt (OrigNone ) = salt
hashWithSalt salt (OrigLocal n) = 23 `hashWithSalt` hashWithSalt salt n
hashWithSalt salt (OrigGlobal n) = 19 `hashWithSalt` hashWithSalt salt n
hashWithSalt salt (OrigFunc n) = 17 `hashWithSalt` hashWithSalt salt n
instance Hashable HsNameUnique where
hashWithSalt salt (HsNameUnique_None ) = salt
hashWithSalt salt (HsNameUnique_String s) = hashWithSalt salt s
hashWithSalt salt (HsNameUnique_Int i) = hashWithSalt salt i
hashWithSalt salt (HsNameUnique_UID u) = hashWithSalt salt u
instance Hashable HsNameUniqifier where
hashWithSalt salt u = hashWithSalt salt (fromEnum u)
-}
{-# LINE 308 "src/ehc/Base/HsName.chs" #-}
-- | Fixate hash
hsnFixateHash :: HsName -> HsName
hsnFixateHash n@(HsName_Modf _ _ _ _) = n {hsnHash = hsnHashWithSalt 17 n}
hsnFixateHash n = n
{-# INLINE hsnFixateHash #-}
{-# LINE 322 "src/ehc/Base/HsName.chs" #-}
-- | Haskell name representation, exports of constructors only intented for internal use
data HsName
= HsName_Base
{ hsnBaseStr :: !String
}
| HsName_UID
{ hsnUID :: !UID
}
| HsName_Modf
{
-- a secret hash, prefixing other fields as to enforce comparison on the hash first; only used at variant 99 and onwards to avoid clutter
hsnHash :: !Int
, hsnQualifiers :: ![String]
, hsnBase :: !HsName
, hsnUniqifiers :: !HsNameUniqifierMp
}
| HsName_Pos !Int
| HsName_Nr !Int !OrigName
deriving (Eq,Ord,Generic)
-- instance Hashable HsName
{-# LINE 350 "src/ehc/Base/HsName.chs" #-}
hsnEmpty :: HsName
hsnEmpty = mkHNm ""
{-# LINE 364 "src/ehc/Base/HsName.chs" #-}
-- | Is HsName a HsName_Pos?
hsnMbPos :: HsName -> Maybe Int
hsnMbPos (HsName_Pos p) = Just p
hsnMbPos _ = Nothing
hsnIsPos :: HsName -> Bool
hsnIsPos = isJust . hsnMbPos
{-# INLINE hsnIsPos #-}
{-# LINE 375 "src/ehc/Base/HsName.chs" #-}
-- | Is HsName a HsName_Pos?
hsnMbNr :: HsName -> Maybe (Int,OrigName)
hsnMbNr (HsName_Nr i o) = Just (i,o)
hsnMbNr _ = Nothing
hsnIsNr :: HsName -> Bool
hsnIsNr = isJust . hsnMbNr
{-# INLINE hsnIsNr #-}
{-# LINE 386 "src/ehc/Base/HsName.chs" #-}
-- | Smart constructor for HsName_Modf
hsnMkModf :: [String] -> HsName -> HsNameUniqifierMp -> HsName
-- hsnMkModf q b u = hsnFixateHash $ HsName_Modf 0 q b u
hsnMkModf q b u = hsnFixateHash $ either (\(_,n) -> n {hsnQualifiers = q, hsnUniqifiers = hsnUniqifiers n `uniqifierMpUnion` u}) (\b -> HsName_Modf 0 q b u) $ hsnCanonicSplit b
{-# INLINE hsnMkModf #-}
{-# LINE 398 "src/ehc/Base/HsName.chs" #-}
-- | Smart constructor for HsName_Nr
hsnMkNr :: Int -> OrigName -> HsName
hsnMkNr = HsName_Nr
{-# INLINE hsnMkNr #-}
{-# LINE 413 "src/ehc/Base/HsName.chs" #-}
-- | Just lift a string to the base HsName variant
mkHNmBase :: String -> HsName
mkHNmBase s = hsnMkModf [] (HsName_Base s) Map.empty
{-# LINE 423 "src/ehc/Base/HsName.chs" #-}
-- | Eliminate alternative internal representations
hsnEnsureIsBase :: HsName -> HsName
hsnEnsureIsBase n@(HsName_UID _) = mkHNm $ show n
hsnEnsureIsBase (HsName_Pos i) = mkHNm $ show i
hsnEnsureIsBase n = n
{-# LINE 433 "src/ehc/Base/HsName.chs" #-}
-- | unpack a HsName into qualifiers + base string + repack function
hsnBaseUnpack' :: HsName -> Maybe ([String],String,[String] -> String -> HsName)
hsnBaseUnpack' (HsName_Base s ) = Just ([],s,\_ s -> HsName_Base s)
hsnBaseUnpack' (HsName_Modf _ q b u) = fmap (\(bs,mk) -> (q, bs, \q s -> hsnMkModf q (mk s) u)) (hsnBaseUnpack b)
hsnBaseUnpack' _ = Nothing
-- | unpack a HsName into base string + repack function
hsnBaseUnpack :: HsName -> Maybe (String,String -> HsName)
hsnBaseUnpack (HsName_Base s ) = Just (s,HsName_Base)
hsnBaseUnpack (HsName_Modf _ q b u) = fmap (\(bs,mk) -> (bs, \s -> hsnMkModf q (mk s) u)) (hsnBaseUnpack b)
hsnBaseUnpack _ = Nothing
{-# LINE 451 "src/ehc/Base/HsName.chs" #-}
-- | If name is a HsName_Base after some unpacking, return the base string, without qualifiers, without uniqifiers
hsnMbBaseString :: HsName -> Maybe String
hsnMbBaseString = fmap fst . hsnBaseUnpack
{-# INLINE hsnMbBaseString #-}
-- | Is name is a HsName_Base after some unpacking?
hsnIsBaseString :: HsName -> Bool
hsnIsBaseString = isJust . hsnMbBaseString
{-# INLINE hsnIsBaseString #-}
hsnBaseString :: HsName -> String
hsnBaseString = maybe "??" id . hsnMbBaseString
{-# LINE 467 "src/ehc/Base/HsName.chs" #-}
-- | Just lift a int to the int HsName variant
mkHNmPos :: Int -> HsName
mkHNmPos s = hsnMkModf [] (HsName_Pos s) Map.empty
{-# LINE 477 "src/ehc/Base/HsName.chs" #-}
-- | Compare, ignoring hash
cmpHsNameOnNm :: HsName -> HsName -> Ordering
cmpHsNameOnNm (HsName_Modf _ q1 b1 u1) (HsName_Modf _ q2 b2 u2) = compare (HsName_Modf 0 q1 b1 u1) (HsName_Modf 0 q2 b2 u2)
cmpHsNameOnNm n1 n2 = compare n1 n2
{-# LINE 492 "src/ehc/Base/HsName.chs" #-}
hsnFromString :: String -> HsName
hsnFromString = mkHNmBase
{-# INLINE hsnFromString #-}
{-# LINE 503 "src/ehc/Base/HsName.chs" #-}
data OrigName
= OrigNone
| OrigLocal HsName
| OrigGlobal HsName
| OrigFunc HsName
deriving (Eq,Ord,Generic)
instance Hashable OrigName
{-# LINE 514 "src/ehc/Base/HsName.chs" #-}
instance PP HsName where
pp h = pp (show h)
{-# LINE 520 "src/ehc/Base/HsName.chs" #-}
-- | Parameterizable show of HsName when used from within the Show instance for HsName, or for a parseable representation used by (e.g.) Core pretty printing
hsnShow' :: (UID -> String) -> (String -> String) -> (String -> String) -> String -> String -> HsName -> String
hsnShow' shwu shws brk qsep usep n
= shw n
where shw n = case n of
HsName_Base s -> s
HsName_UID i -> shwu i
HsName_Modf _ qs b us -> concat $ (intersperse qsep $ qs ++ [shw b]) ++ showHsNameUniqifierMp'' shwu shws brk False usep us
HsName_Pos p -> show p
HsName_Nr n OrigNone -> "x_" ++ show n
HsName_Nr n (OrigLocal hsn) -> "x_" ++ show n ++ "_" ++ shw hsn
HsName_Nr n (OrigGlobal hsn) -> "global_x_" ++ show n ++ "_" ++ shw hsn
HsName_Nr n (OrigFunc hsn) -> "fun_x_" ++ show n ++ "_" ++ shw hsn
-- | Parseable show of HsName when used from within the Show instance for HsName
hsnShow :: String -> String -> HsName -> String
hsnShow q u n = hsnShow' hsnShowUID id id q u n
{-# INLINE hsnShow #-}
hsnShowUID i = 'u' : show i
{-# LINE 545 "src/ehc/Base/HsName.chs" #-}
instance Show HsName where
show = hsnShow "." "_@"
{-# LINE 555 "src/ehc/Base/HsName.chs" #-}
-- | A HsName is either a complex/aggregrate name or a base case
hsnCanonicSplit :: HsName -> Either ([String],HsName) HsName
hsnCanonicSplit n@(HsName_Modf _ qs _ _) = Left $ (qs, hsnFixateHash (n {hsnQualifiers = []}))
hsnCanonicSplit n = Right n
{-# LINE 564 "src/ehc/Base/HsName.chs" #-}
hsnToList :: HsName -> [HsName]
hsnToList n = either (\(qs,b) -> map mkHNmBase qs ++ [b]) (:[]) (hsnCanonicSplit n)
{-# LINE 569 "src/ehc/Base/HsName.chs" #-}
hsnInitLast :: HsName -> ([HsName],HsName)
hsnInitLast n = either (\(qs,b) -> (map mkHNmBase qs, b)) (\x -> ([],x)) (hsnCanonicSplit n)
{-# LINE 574 "src/ehc/Base/HsName.chs" #-}
hsnPrefix :: String -> HsName -> HsName
hsnPrefix p hsn
= maybe (mkHNmBase $ p ++ show hsn) (\(s,mk) -> mk $ p ++ s) $ hsnBaseUnpack hsn
hsnSuffix :: HsName -> String -> HsName
hsnSuffix hsn p
= maybe (mkHNmBase $ show hsn ++ p) (\(s,mk) -> mk $ s ++ p) $ hsnBaseUnpack hsn
mkHNmPrefix :: HSNM x => String -> x -> HsName
mkHNmPrefix p = hsnPrefix p . mkHNm
{-# LINE 587 "src/ehc/Base/HsName.chs" #-}
stringAlphanumeric :: String -> String
stringAlphanumeric s
= concat (map (charAlphanumeric) s)
{-# LINE 600 "src/ehc/Base/HsName.chs" #-}
charAlphanumeric :: Char -> String
charAlphanumeric '\'' = "prime"
charAlphanumeric ':' = "colon"
charAlphanumeric '!' = "exclam"
charAlphanumeric '@' = "at"
charAlphanumeric '#' = "number"
charAlphanumeric '$' = "dollar"
charAlphanumeric '%' = "percent"
charAlphanumeric '^' = "circon"
charAlphanumeric '&' = "amp"
charAlphanumeric '*' = "star"
charAlphanumeric '+' = "plus"
charAlphanumeric '-' = "minus"
charAlphanumeric '.' = "dot"
charAlphanumeric '/' = "slash"
charAlphanumeric '\\' = "backsl"
charAlphanumeric '|' = "bar"
charAlphanumeric '<' = "lt"
charAlphanumeric '=' = "eq"
charAlphanumeric '>' = "gt"
charAlphanumeric '?' = "quest"
charAlphanumeric '~' = "tilde"
charAlphanumeric '[' = "sub" -- although this is not a legal Haskell operator symbol, it can be part of the Nil constructor
charAlphanumeric ']' = "bus"
charAlphanumeric '(' = "open" -- although this is not a legal Haskell operator symbol, it can be part of the tuple constructor
charAlphanumeric ',' = "comma"
charAlphanumeric ')' = "close"
charAlphanumeric c = [c]
{-# LINE 633 "src/ehc/Base/HsName.chs" #-}
dontStartWithDigit :: String -> String
dontStartWithDigit xs@(a:_) | isDigit a || a=='_' = "y"++xs
| otherwise = xs
hsnShowAlphanumericShort :: HsName -> String
hsnShowAlphanumericShort (HsName_Nr n (OrigFunc orig)) = hsnShowAlphanumeric orig
hsnShowAlphanumericShort x = hsnShowAlphanumeric x
hsnShowAlphanumeric :: HsName -> String
hsnShowAlphanumeric (HsName_Base s ) = dontStartWithDigit(stringAlphanumeric s)
hsnShowAlphanumeric (HsName_UID i ) = "u" ++ show i
hsnShowAlphanumeric (HsName_Pos p) = "y" ++ show p
hsnShowAlphanumeric (HsName_Nr n OrigNone) = "x" ++ show n
hsnShowAlphanumeric (HsName_Nr n (OrigLocal orig)) = "x" ++ show n -- hsnShowAlphanumeric orig
hsnShowAlphanumeric (HsName_Nr n (OrigGlobal orig)) = "global_" ++ hsnShowAlphanumeric orig
hsnShowAlphanumeric (HsName_Nr n (OrigFunc orig)) = "fun_" ++ hsnShowAlphanumeric orig
hsnShowAlphanumeric (HsName_Modf _ q b u) = concat $ intersperse "_" $ q ++ [hsnShowAlphanumeric b] ++ map stringAlphanumeric (showHsNameUniqifierMp "_" u)
-- hsnShowAlphanumeric n = concat $ intersperse "_" $ map hsnShowAlphanumeric $ hsnToList n
{-# LINE 657 "src/ehc/Base/HsName.chs" #-}
hsnToFPath :: HsName -> FPath
hsnToFPath n
= mkFPathFromDirsFile qs b
where (qs,b) = hsnInitLast n
instance FPATH HsName where
mkFPath = hsnToFPath
{-# LINE 668 "src/ehc/Base/HsName.chs" #-}
hsnConcat :: HsName -> HsName -> HsName
hsnConcat h1 h2 = hsnFromString (show h1 ++ show h2)
{-# LINE 677 "src/ehc/Base/HsName.chs" #-}
-- compare for row labels, lexicographic ordering (currently)
rowLabCmp :: HsName -> HsName -> Ordering
rowLabCmp = cmpHsNameOnNm
{-# LINE 687 "src/ehc/Base/HsName.chs" #-}
-- qualifier (i.e. module name) and qualified part of name
hsnSplitQualify :: HsName -> (Maybe HsName,HsName)
hsnSplitQualify n
= case hsnInitLast n of
([],n') -> (Nothing,n')
(ns,n') -> (Just (mkHNm ns),n')
-- qualified part of a name
hsnQualified :: HsName -> HsName
hsnQualified = snd . hsnSplitQualify
-- prefix/qualify with module name, on top of possible previous qualifier
hsnPrefixQual :: HsName -> HsName -> HsName
hsnPrefixQual m n = mkHNm (hsnToList m ++ hsnToList n)
-- map qualified part
hsnMapQualified :: (String -> String) -> HsName -> HsName
hsnMapQualified f qn
= maybe qn (\(s,mk) -> mk $ f s) $ hsnBaseUnpack qn
{-
= case hsnSplitQualify qn of
(Nothing,n) -> f n
(Just q ,n) -> hsnPrefixQual q (f n)
-}
{-# LINE 714 "src/ehc/Base/HsName.chs" #-}
-- qualifier (i.e. module name) of name
hsnQualifier :: HsName -> Maybe HsName
hsnQualifier = fst . hsnSplitQualify
-- replace/set qualifier
hsnSetQual :: HsName -> HsName -> HsName
hsnSetQual m = hsnPrefixQual m . hsnQualified
-- is qualified?
hsnIsQual :: HsName -> Bool
hsnIsQual = isJust . hsnQualifier
{-# LINE 740 "src/ehc/Base/HsName.chs" #-}
hsnMapQual :: (HsName -> HsName) -> HsName -> HsName
hsnMapQual f qn
= case hsnSplitQualify qn of
(Nothing,n) -> qn
(Just q ,n) -> hsnSetQual (f q) n
hsnSetLevQual :: Int -> HsName -> HsName -> HsName
hsnSetLevQual 0 m n = hsnSetQual m n
hsnSetLevQual _ _ n = n
{-# LINE 756 "src/ehc/Base/HsName.chs" #-}
hsnFixUniqifiers' :: Bool -> String -> HsName -> HsName
hsnFixUniqifiers' showlen sep (HsName_Modf _ qs n us) = hsnMkModf qs (hsnSuffix n (concat $ showHsNameUniqifierMp' showlen sep us)) Map.empty
hsnFixUniqifiers' _ _ n = n
hsnFixUniqifiers :: HsName -> HsName
hsnFixUniqifiers = hsnFixUniqifiers' True "_@"
hsnJavalikeFixUniqifiers :: HsName -> HsName
hsnJavalikeFixUniqifiers = hsnFixUniqifiers' False ""
{-# LINE 772 "src/ehc/Base/HsName.chs" #-}
hsnStripUniqifiers :: HsName -> HsName
hsnStripUniqifiers (HsName_Modf _ qs n us) = hsnMkModf qs n emptyHsNameUniqifierMp
hsnStripUniqifiers n = n
{-# LINE 782 "src/ehc/Base/HsName.chs" #-}
hsnQualUniqify :: HsName -> HsName -> HsName
hsnQualUniqify modNm n
= if hsnIsQual n
then n
else hsnSetQual modNm n
{-# LINE 794 "src/ehc/Base/HsName.chs" #-}
class HSNM a where
mkHNm :: a -> HsName
instance HSNM HsName where
mkHNm = id
instance HSNM Int where
mkHNm = mkHNm . show
{-# LINE 806 "src/ehc/Base/HsName.chs" #-}
instance HSNM UID where
mkHNm = HsName_UID
-- mkHNm x = hsnFromString ('_' : show x)
{-# LINE 817 "src/ehc/Base/HsName.chs" #-}
instance HSNM String where
mkHNm s
= mkHNm $ map hsnFromString $ splitForQualified s
{-# LINE 823 "src/ehc/Base/HsName.chs" #-}
instance HSNM ([HsName],HsName) where
mkHNm (l,n) = mkHNm (l ++ [n])
instance HSNM [HsName] where
mkHNm [n] = n
mkHNm [] = hsnFromString "" -- ????, or empty alternative of HsName
mkHNm ns = case initlast ns of
Just (i,l) -> case l of
n@(HsName_Modf _ _ _ _) -> hsnFixateHash (n {hsnQualifiers = qs})
n -> hsnMkModf qs n Map.empty
where qs = catMaybes $ map hsnMbBaseString i
{-# LINE 846 "src/ehc/Base/HsName.chs" #-}
instance Position HsName where
line _ = (-1)
column _ = (-1)
file _ = ""
{-# LINE 857 "src/ehc/Base/HsName.chs" #-}
deriving instance Typeable HsName
deriving instance Typeable IdOccKind
deriving instance Typeable IdOcc
{-# LINE 865 "src/ehc/Base/HsName.chs" #-}
deriving instance Typeable HsNameUniqifier
deriving instance Typeable HsNameUnique
{-# LINE 871 "src/ehc/Base/HsName.chs" #-}
deriving instance Typeable OrigName
{-# LINE 879 "src/ehc/Base/HsName.chs" #-}
instance Binary HsNameUniqifier where
put = putEnum8
get = getEnum8
instance Binary HsNameUnique where
put (HsNameUnique_String a ) = putWord8 0 >> put a
put (HsNameUnique_Int a ) = putWord8 1 >> put a
put (HsNameUnique_UID a ) = putWord8 2 >> put a
put (HsNameUnique_None ) = putWord8 3
get = do t <- getWord8
case t of
0 -> liftM HsNameUnique_String get
1 -> liftM HsNameUnique_Int get
2 -> liftM HsNameUnique_UID get
3 -> return HsNameUnique_None
instance Binary HsName where
put (HsName_Base a ) = putWord8 0 >> put a
put (HsName_UID a ) = putWord8 1 >> put a
put (HsName_Pos a ) = putWord8 2 >> put a
put (HsName_Nr a b ) = putWord8 3 >> put a >> put b
put (HsName_Modf a b c d) = putWord8 4 >> put a >> put b >> put c >> put d
get = do t <- getWord8
case t of
0 -> liftM HsName_Base get
1 -> liftM HsName_UID get
2 -> liftM HsName_Pos get
3 -> liftM2 HsName_Nr get get
4 -> liftM4 HsName_Modf get get get get
instance Serialize HsName where
sput = sputShared
sget = sgetShared
sputNested = sputPlain
sgetNested = sgetPlain
instance Binary OrigName where
put (OrigNone ) = putWord8 0
put (OrigLocal a) = putWord8 1 >> put a
put (OrigGlobal a) = putWord8 2 >> put a
put (OrigFunc a) = putWord8 3 >> put a
get = do t <- getWord8
case t of
0 -> return OrigNone
1 -> liftM OrigLocal get
2 -> liftM OrigGlobal get
3 -> liftM OrigFunc get
instance Binary IdOccKind where
put = putEnum8
get = getEnum8
instance Serialize IdOccKind where
sput = sputPlain
sget = sgetPlain
instance Binary IdOcc where
put (IdOcc a b) = put a >> put b
get = liftM2 IdOcc get get
instance Serialize IdOcc where
sput = sputShared
sget = sgetShared
sputNested = sputPlain
sgetNested = sgetPlain
{-# LINE 951 "src/ehc/Base/HsName.chs" #-}
data IdOccKind
= IdOcc_Val
| IdOcc_Pat
| IdOcc_Type
| IdOcc_Kind
| IdOcc_Fld
| IdOcc_Class
| IdOcc_Inst
| IdOcc_Dflt
| IdOcc_Any
| IdOcc_Data
| IdOcc_Fusion
deriving (Eq,Ord,Enum)
{-# LINE 977 "src/ehc/Base/HsName.chs" #-}
-- intended for parsing
instance Show IdOccKind where
show IdOcc_Val = "Value"
show IdOcc_Pat = "Pat"
show IdOcc_Type = "Type"
show IdOcc_Kind = "Kind"
show IdOcc_Fld = "Field"
show IdOcc_Class = "Class"
show IdOcc_Inst = "Instance"
show IdOcc_Dflt = "Default"
show IdOcc_Any = "Any"
show IdOcc_Data = "Data"
show IdOcc_Fusion = "Fusion"
{-# LINE 1003 "src/ehc/Base/HsName.chs" #-}
-- intended for parsing
instance PP IdOccKind where
pp = text . show
{-# LINE 1009 "src/ehc/Base/HsName.chs" #-}
data IdOcc
= IdOcc { ioccNm :: !HsName, ioccKind :: !IdOccKind }
deriving (Show,Eq,Ord)
{-# LINE 1020 "src/ehc/Base/HsName.chs" #-}
type HsNameS = Set.Set HsName
{-# LINE 1028 "src/ehc/Base/HsName.chs" #-}
-- ensure a name valid for backends which are more restrictive in their allowed identifier character set
hsnSafeJavaLike :: HsName -> HsName
hsnSafeJavaLike
= hsnMapQualified (concatMap safe . first) . hsnJavalikeFixUniqifiers . hsnEnsureIsBase
where safe '_' = "__"
safe c | isDigit c || isLetter c || c == '_' = [c]
| otherwise = "_" ++ showHex (ord c) ""
first s@(c:_) | isDigit c = '_' : s
first s = s
{-# LINE 1055 "src/ehc/Base/HsName.chs" #-}
type FvS = HsNameS
type FvSMp = Map.Map HsName FvS
{-# LINE 1064 "src/ehc/Base/HsName.chs" #-}
type HsNameMp = Map.Map HsName HsName
hsnRepl :: HsNameMp -> HsName -> HsName
hsnRepl m n = Map.findWithDefault n n m
{-# LINE 1075 "src/ehc/Base/HsName.chs" #-}
data RPatNm
= RPatNmOrig {rpatNmNm :: !HsName}
| RPatNmUniq {rpatNmNm :: !HsName}
deriving Eq
instance Ord RPatNm where
x `compare` y = rpatNmNm x `cmpHsNameOnNm` rpatNmNm y
instance Show RPatNm where
show pnm = show (rpatNmNm pnm)
instance PP RPatNm where
pp (RPatNmOrig n) = n >|< "(O)"
pp (RPatNmUniq n) = n >|< "(U)"
{-# LINE 1092 "src/ehc/Base/HsName.chs" #-}
rpatNmIsOrig :: RPatNm -> Bool
rpatNmIsOrig (RPatNmOrig _) = True
rpatNmIsOrig _ = False
{-# LINE 1102 "src/ehc/Base/HsName.chs" #-}
hsnUnknown :: HsName
hsnUnknown = hsnFromString "??"
{-# LINE 1111 "src/ehc/Base/HsName.chs" #-}
data Track
= TrackNone
| TrackSelf
| TrackCtx Int
| TrackSelect Int Track
| TrackVarApply HsName [Track]
deriving (Eq, Ord, Show)
{-# LINE 1123 "src/ehc/Base/HsName.chs" #-}
instance Serialize Track where
sput (TrackNone ) = sputWord8 0
sput (TrackSelf ) = sputWord8 1
sput (TrackCtx a ) = sputWord8 2 >> sput a
sput (TrackSelect a b ) = sputWord8 3 >> sput a >> sput b
sput (TrackVarApply a b ) = sputWord8 4 >> sput a >> sput b
sget
= do t <- sgetWord8
case t of
0 -> return TrackNone
1 -> return TrackSelf
2 -> liftM TrackCtx sget
3 -> liftM2 TrackSelect sget sget
4 -> liftM2 TrackVarApply sget sget
deriving instance Typeable Track