2 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1996
4 \section[PrelInfo]{The @PrelInfo@ interface to the compiler's prelude knowledge}
7 #include "HsVersions.h"
11 -- finite maps for built-in things (for the renamer and typechecker):
12 builtinNameInfo, BuiltinNames(..),
13 BuiltinKeys(..), BuiltinIdInfos(..),
15 maybeCharLikeTyCon, maybeIntLikeTyCon
19 IMPORT_DELOOPER(PrelLoop) ( primOpNameInfo )
22 import PrelMods -- Prelude module names
23 import PrelVals -- VALUES
24 import PrimOp ( PrimOp(..), allThePrimOps )
25 import PrimRep ( PrimRep(..) )
26 import TysPrim -- TYPES
30 import CmdLineOpts ( opt_HideBuiltinNames,
31 opt_HideMostBuiltinNames,
34 import FiniteMap ( FiniteMap, emptyFM, listToFM )
35 import Id ( mkTupleCon, GenId, Id(..) )
36 import Maybes ( catMaybes )
37 import Name ( origName, OrigName(..) )
38 import RnHsSyn ( RnName(..) )
39 import TyCon ( tyConDataCons, mkFunTyCon, mkTupleTyCon, TyCon )
41 import UniqFM ( UniqFM, emptyUFM, listToUFM )
42 import Unique -- *Key stuff
43 import Util ( nOfThem, panic )
46 %************************************************************************
48 \subsection[builtinNameInfo]{Lookup built-in names}
50 %************************************************************************
52 We have two ``builtin name funs,'' one to look up @TyCons@ and
53 @Classes@, the other to look up values.
56 builtinNameInfo :: ( BuiltinNames, BuiltinKeys, BuiltinIdInfos )
58 type BuiltinNames = (FiniteMap OrigName RnName, -- WiredIn Ids
59 FiniteMap OrigName RnName) -- WiredIn TyCons
60 -- Two maps because "[]" is in both...
62 type BuiltinKeys = FiniteMap OrigName (Unique, Name -> RnName)
63 -- Names with known uniques
65 type BuiltinIdInfos = UniqFM IdInfo -- Info for known unique Ids
68 = if opt_HideBuiltinNames then
74 else if opt_HideMostBuiltinNames then
76 (listToFM min_assoc_val_wired, listToFM min_assoc_tc_wired),
82 (listToFM assoc_val_wired, listToFM assoc_tc_wired),
84 listToUFM assoc_id_infos
88 min_assoc_val_wired -- min needed when compiling bits of Prelude
91 concat (map pcDataConWiredInInfo g_con_tycons),
92 concat (map pcDataConWiredInInfo min_nonprim_tycon_list),
95 map pcIdWiredInInfo wired_in_ids,
101 map pcTyConWiredInInfo prim_tycons,
102 map pcTyConWiredInInfo g_tycons,
103 map pcTyConWiredInInfo min_nonprim_tycon_list
109 concat (map pcDataConWiredInInfo g_con_tycons),
110 concat (map pcDataConWiredInInfo data_tycons),
113 map pcIdWiredInInfo wired_in_ids,
119 map pcTyConWiredInInfo prim_tycons,
120 map pcTyConWiredInInfo g_tycons,
121 map pcTyConWiredInInfo data_tycons
133 id_keys = map id_key id_keys_infos
134 id_key (str_mod, uniq, info) = (str_mod, (uniq, RnImplicit))
136 assoc_id_infos = catMaybes (map assoc_info id_keys_infos)
137 assoc_info (str_mod, uniq, Just info) = Just (uniq, info)
138 assoc_info (str_mod, uniq, Nothing) = Nothing
142 We let a lot of "non-standard" values be visible, so that we can make
143 sense of them in interface pragmas. It's cool, though they all have
144 "non-standard" names, so they won't get past the parser in user code.
146 The WiredIn TyCons and DataCons ...
157 , foreignObjPrimTyCon
158 , mutableArrayPrimTyCon
159 , mutableByteArrayPrimTyCon
168 = mkFunTyCon : g_con_tycons
171 = listTyCon : mkTupleTyCon 0 : [mkTupleTyCon i | i <- [2..32] ]
173 min_nonprim_tycon_list -- used w/ HideMostBuiltinNames
181 , return2GMPsTyCon -- ADR asked for these last two (WDP 94/11)
182 , returnIntAndGMPTyCon
198 , returnIntAndGMPTyCon
201 , stateAndAddrPrimTyCon
202 , stateAndArrayPrimTyCon
203 , stateAndByteArrayPrimTyCon
204 , stateAndCharPrimTyCon
205 , stateAndDoublePrimTyCon
206 , stateAndFloatPrimTyCon
207 , stateAndForeignObjPrimTyCon
208 , stateAndIntPrimTyCon
209 , stateAndMutableArrayPrimTyCon
210 , stateAndMutableByteArrayPrimTyCon
211 , stateAndPtrPrimTyCon
212 , stateAndStablePtrPrimTyCon
213 , stateAndSynchVarPrimTyCon
214 , stateAndWordPrimTyCon
222 ToDo: Some of these should be moved to id_keys_infos!
233 , iRREFUT_PAT_ERROR_ID
238 , nON_EXHAUSTIVE_GUARDS_ERROR_ID
239 , nO_DEFAULT_METHOD_ERROR_ID
240 , nO_EXPLICIT_METHOD_ERROR_ID
260 , unpackCStringAppendId
261 , unpackCStringFoldrId
266 pcTyConWiredInInfo :: TyCon -> (OrigName, RnName)
267 pcTyConWiredInInfo tc = (origName "pcTyConWiredInInfo" tc, WiredInTyCon tc)
269 pcDataConWiredInInfo :: TyCon -> [(OrigName, RnName)]
270 pcDataConWiredInInfo tycon
271 = [ (origName "pcDataConWiredInInfo" con, WiredInId con) | con <- tyConDataCons tycon ]
273 pcIdWiredInInfo :: Id -> (OrigName, RnName)
274 pcIdWiredInInfo id = (origName "pcIdWiredInInfo" id, WiredInId id)
277 WiredIn primitive numeric operations ...
280 = map prim_fn allThePrimOps ++ map funny_fn funny_name_primops
282 prim_fn op = case (primOpNameInfo op) of (s,n) -> ((OrigName gHC_BUILTINS s),n)
283 funny_fn (op,s) = case (primOpNameInfo op) of (_,n) -> ((OrigName gHC_BUILTINS s),n)
286 = [ (IntAddOp, SLIT("+#"))
287 , (IntSubOp, SLIT("-#"))
288 , (IntMulOp, SLIT("*#"))
289 , (IntGtOp, SLIT(">#"))
290 , (IntGeOp, SLIT(">=#"))
291 , (IntEqOp, SLIT("==#"))
292 , (IntNeOp, SLIT("/=#"))
293 , (IntLtOp, SLIT("<#"))
294 , (IntLeOp, SLIT("<=#"))
295 , (DoubleAddOp, SLIT("+##"))
296 , (DoubleSubOp, SLIT("-##"))
297 , (DoubleMulOp, SLIT("*##"))
298 , (DoubleDivOp, SLIT("/##"))
299 , (DoublePowerOp, SLIT("**##"))
300 , (DoubleGtOp, SLIT(">##"))
301 , (DoubleGeOp, SLIT(">=##"))
302 , (DoubleEqOp, SLIT("==##"))
303 , (DoubleNeOp, SLIT("/=##"))
304 , (DoubleLtOp, SLIT("<##"))
305 , (DoubleLeOp, SLIT("<=##"))
310 Ids, Synonyms, Classes and ClassOps with builtin keys.
311 For the Ids we may also have some builtin IdInfo.
313 id_keys_infos :: [(OrigName, Unique, Maybe IdInfo)]
315 = [ -- here so we can check the type of main/mainPrimIO
316 (OrigName SLIT("Main") SLIT("main"), mainIdKey, Nothing)
317 , (OrigName SLIT("Main") SLIT("mainPrimIO"), mainPrimIOIdKey, Nothing)
319 -- here because we use them in derived instances
320 , (OrigName pRELUDE SLIT("&&"), andandIdKey, Nothing)
321 , (OrigName pRELUDE SLIT("."), composeIdKey, Nothing)
322 , (OrigName pRELUDE SLIT("lex"), lexIdKey, Nothing)
323 , (OrigName pRELUDE SLIT("not"), notIdKey, Nothing)
324 , (OrigName pRELUDE SLIT("readParen"), readParenIdKey, Nothing)
325 , (OrigName pRELUDE SLIT("showParen"), showParenIdKey, Nothing)
326 , (OrigName pRELUDE SLIT("showString"), showStringIdKey,Nothing)
327 , (OrigName gHC__ SLIT("readList__"), ureadListIdKey, Nothing)
328 , (OrigName gHC__ SLIT("showList__"), ushowListIdKey, Nothing)
329 , (OrigName gHC__ SLIT("showSpace"), showSpaceIdKey, Nothing)
333 = [ (OrigName gHC__ SLIT("IO"), (iOTyConKey, RnImplicitTyCon))
334 , (OrigName pRELUDE SLIT("Ordering"), (orderingTyConKey, RnImplicitTyCon))
335 , (OrigName rATIO SLIT("Rational"), (rationalTyConKey, RnImplicitTyCon))
336 , (OrigName rATIO SLIT("Ratio"), (ratioTyConKey, RnImplicitTyCon))
339 -- this "class_keys" list *must* include:
340 -- classes that are grabbed by key (e.g., eqClassKey)
341 -- classes in "Class.standardClassKeys" (quite a few)
344 = [ (str_mod, (k, RnImplicitClass)) | (str_mod,k) <-
345 [ (OrigName pRELUDE SLIT("Eq"), eqClassKey) -- mentioned, derivable
346 , (OrigName pRELUDE SLIT("Eval"), evalClassKey) -- mentioned
347 , (OrigName pRELUDE SLIT("Ord"), ordClassKey) -- derivable
348 , (OrigName pRELUDE SLIT("Num"), numClassKey) -- mentioned, numeric
349 , (OrigName pRELUDE SLIT("Real"), realClassKey) -- numeric
350 , (OrigName pRELUDE SLIT("Integral"), integralClassKey) -- numeric
351 , (OrigName pRELUDE SLIT("Fractional"), fractionalClassKey) -- numeric
352 , (OrigName pRELUDE SLIT("Floating"), floatingClassKey) -- numeric
353 , (OrigName pRELUDE SLIT("RealFrac"), realFracClassKey) -- numeric
354 , (OrigName pRELUDE SLIT("RealFloat"), realFloatClassKey) -- numeric
355 , (OrigName iX SLIT("Ix"), ixClassKey) -- derivable (but it isn't Prelude.Ix; hmmm)
356 , (OrigName pRELUDE SLIT("Bounded"), boundedClassKey) -- derivable
357 , (OrigName pRELUDE SLIT("Enum"), enumClassKey) -- derivable
358 , (OrigName pRELUDE SLIT("Show"), showClassKey) -- derivable
359 , (OrigName pRELUDE SLIT("Read"), readClassKey) -- derivable
360 , (OrigName pRELUDE SLIT("Monad"), monadClassKey)
361 , (OrigName pRELUDE SLIT("MonadZero"), monadZeroClassKey)
362 , (OrigName pRELUDE SLIT("MonadPlus"), monadPlusClassKey)
363 , (OrigName pRELUDE SLIT("Functor"), functorClassKey)
364 , (OrigName gHC__ SLIT("CCallable"), cCallableClassKey) -- mentioned, ccallish
365 , (OrigName gHC__ SLIT("CReturnable"), cReturnableClassKey) -- mentioned, ccallish
369 = [ (str_mod, (k, RnImplicit)) | (str_mod,k) <-
370 [ (OrigName pRELUDE SLIT("fromInt"), fromIntClassOpKey)
371 , (OrigName pRELUDE SLIT("fromInteger"), fromIntegerClassOpKey)
372 , (OrigName pRELUDE SLIT("fromRational"), fromRationalClassOpKey)
373 , (OrigName pRELUDE SLIT("enumFrom"), enumFromClassOpKey)
374 , (OrigName pRELUDE SLIT("enumFromThen"), enumFromThenClassOpKey)
375 , (OrigName pRELUDE SLIT("enumFromTo"), enumFromToClassOpKey)
376 , (OrigName pRELUDE SLIT("enumFromThenTo"),enumFromThenToClassOpKey)
377 , (OrigName pRELUDE SLIT("=="), eqClassOpKey)
378 , (OrigName pRELUDE SLIT(">>="), thenMClassOpKey)
379 , (OrigName pRELUDE SLIT("zero"), zeroClassOpKey)
383 ToDo: make it do the ``like'' part properly (as in 0.26 and before).
385 maybeCharLikeTyCon tc = if (uniqueOf tc == charDataConKey) then Just charDataCon else Nothing
386 maybeIntLikeTyCon tc = if (uniqueOf tc == intDataConKey) then Just intDataCon else Nothing