#include "HsVersions.h"
import {-# SOURCE #-} RnBinds ( rnBinds )
-import {-# SOURCE #-} RnSource ( rnHsTypeFVs )
import HsSyn
import RdrHsSyn
import RnHsSyn
import RnMonad
import RnEnv
+import RnTypes ( rnHsTypeFVs )
import RnHiFiles ( lookupFixityRn )
import CmdLineOpts ( DynFlag(..), opt_IgnoreAsserts )
import Literal ( inIntRange, inCharRange )
-import BasicTypes ( Fixity(..), FixityDirection(..), defaultFixity, negateFixity )
-import PrelNames ( hasKey, assertIdKey, minusName, negateName, fromIntegerName,
- eqClass_RDR, foldr_RDR, build_RDR, eqString_RDR,
- cCallableClass_RDR, cReturnableClass_RDR,
- monadClass_RDR, enumClass_RDR, ordClass_RDR,
- ratioDataCon_RDR, assertErr_RDR,
- ioDataCon_RDR, plusInteger_RDR, timesInteger_RDR,
- fromInteger_RDR, fromRational_RDR,
+import BasicTypes ( Fixity(..), FixityDirection(..), IPName(..), defaultFixity, negateFixity )
+import PrelNames ( hasKey, assertIdKey,
+ eqClassName, foldrName, buildName, eqStringName,
+ cCallableClassName, cReturnableClassName,
+ monadClassName, enumClassName, ordClassName,
+ ratioDataConName, splitIdName, fstIdName, sndIdName,
+ ioDataConName, plusIntegerName, timesIntegerName,
+ assertErr_RDR
)
import TysPrim ( charPrimTyCon, addrPrimTyCon, intPrimTyCon,
floatPrimTyCon, doublePrimTyCon
import Name ( NamedThing(..), mkSysLocalName, nameSrcLoc )
import NameSet
import UniqFM ( isNullUFM )
-import FiniteMap ( elemFM )
import UniqSet ( emptyUniqSet )
import List ( intersectBy )
-import ListSetOps ( unionLists, removeDups )
-import Maybes ( maybeToBool )
+import ListSetOps ( removeDups )
import Outputable
\end{code}
doc = text "a pattern type-signature"
rnPat (LitPatIn s@(HsString _))
- = lookupOrigName eqString_RDR `thenRn` \ eq ->
- returnRn (LitPatIn s, unitFV eq)
+ = returnRn (LitPatIn s, unitFV eqStringName)
rnPat (LitPatIn lit)
= litFVs lit `thenRn` \ fvs ->
rnPat (NPatIn lit)
= rnOverLit lit `thenRn` \ (lit', fvs1) ->
- lookupOrigName eqClass_RDR `thenRn` \ eq -> -- Needed to find equality on pattern
- returnRn (NPatIn lit', fvs1 `addOneFV` eq)
+ returnRn (NPatIn lit', fvs1 `addOneFV` eqClassName) -- Needed to find equality on pattern
rnPat (NPlusKPatIn name lit minus)
= rnOverLit lit `thenRn` \ (lit', fvs) ->
- lookupOrigName ordClass_RDR `thenRn` \ ord ->
lookupBndrRn name `thenRn` \ name' ->
lookupSyntaxName minus `thenRn` \ minus' ->
- returnRn (NPlusKPatIn name' lit' minus', fvs `addOneFV` ord `addOneFV` minus')
+ returnRn (NPlusKPatIn name' lit' minus', fvs `addOneFV` ordClassName `addOneFV` minus')
rnPat (LazyPatIn pat)
= rnPat pat `thenRn` \ (pat', fvs) ->
\begin{code}
rnMatch :: HsMatchContext RdrName -> RdrNameMatch -> RnMS (RenamedMatch, FreeVars)
-rnMatch ctxt match@(Match _ pats maybe_rhs_sig grhss)
+rnMatch ctxt match@(Match pats maybe_rhs_sig grhss)
= pushSrcLocRn (getMatchLoc match) $
-- Bind pattern-bound type variables
doc_sig = text "In a result type-signature"
doc_pat = pprMatchContext ctxt
in
- bindPatSigTyVars (rhs_sig_tys ++ pat_sig_tys) $ \ sig_tyvars ->
+ bindPatSigTyVars (rhs_sig_tys ++ pat_sig_tys) $
-- Note that we do a single bindLocalsRn for all the
-- matches together, so that we spot the repeated variable in
in
warnUnusedMatches unused_binders `thenRn_`
- returnRn (Match sig_tyvars pats' maybe_rhs_sig' grhss', all_fvs)
+ returnRn (Match pats' maybe_rhs_sig' grhss', all_fvs)
-- The bindLocals and bindTyVars will remove the bound FVs
-
-
-bindPatSigTyVars :: [RdrNameHsType]
- -> ([Name] -> RnMS (a, FreeVars))
- -> RnMS (a, FreeVars)
- -- Find the type variables in the pattern type
- -- signatures that must be brought into scope
-bindPatSigTyVars tys thing_inside
- = getLocalNameEnv `thenRn` \ name_env ->
- let
- tyvars_in_sigs = extractHsTysRdrTyVars tys
- forall_tyvars = filter (not . (`elemFM` name_env)) tyvars_in_sigs
- doc_sig = text "In a pattern type-signature"
- in
- bindNakedTyVarsFVRn doc_sig forall_tyvars thing_inside
\end{code}
+
%************************************************************************
%* *
\subsubsection{Guarded right-hand sides (GRHSs)}
rnExpr (HsIPVar v)
= newIPName v `thenRn` \ name ->
- returnRn (HsIPVar name, emptyFVs)
+ let
+ fvs = case name of
+ Linear _ -> mkFVs [splitIdName, fstIdName, sndIdName]
+ Dupable _ -> emptyFVs
+ in
+ returnRn (HsIPVar name, fvs)
rnExpr (HsLit lit)
= litFVs lit `thenRn` \ fvs ->
rnExpr (HsCCall fun args may_gc is_casm _)
-- Check out the comment on RnIfaces.getNonWiredDataDecl about ccalls
- = lookupOrigNames [cCallableClass_RDR,
- cReturnableClass_RDR,
- ioDataCon_RDR] `thenRn` \ implicit_fvs ->
+ = lookupOrigNames [] `thenRn` \ implicit_fvs ->
rnExprs args `thenRn` \ (args', fvs_args) ->
returnRn (HsCCall fun args' may_gc is_casm placeHolderType,
- fvs_args `plusFV` implicit_fvs)
+ fvs_args `plusFV` mkFVs [cCallableClassName,
+ cReturnableClassName,
+ ioDataConName])
rnExpr (HsSCC lbl expr)
= rnExpr expr `thenRn` \ (expr', fvs_expr) ->
rnExpr e@(HsDo do_or_lc stmts src_loc)
= pushSrcLocRn src_loc $
- lookupOrigNames implicit_rdr_names `thenRn` \ implicit_fvs ->
rnStmts stmts `thenRn` \ ((_, stmts'), fvs) ->
-- check the statement list ends in an expression
case last stmts' of {
} `thenRn_`
returnRn (HsDo do_or_lc stmts' src_loc, fvs `plusFV` implicit_fvs)
where
- implicit_rdr_names = [foldr_RDR, build_RDR, monadClass_RDR]
+ implicit_fvs = mkFVs [foldrName, buildName, monadClassName]
-- Monad stuff should not be necessary for a list comprehension
-- but the typechecker looks up the bind and return Ids anyway
-- Oh well.
doc = text "renaming a type pattern"
rnExpr (ArithSeqIn seq)
- = lookupOrigName enumClass_RDR `thenRn` \ enum ->
- rn_seq seq `thenRn` \ (new_seq, fvs) ->
- returnRn (ArithSeqIn new_seq, fvs `addOneFV` enum)
+ = rn_seq seq `thenRn` \ (new_seq, fvs) ->
+ returnRn (ArithSeqIn new_seq, fvs `addOneFV` enumClassName)
where
rn_seq (From expr)
= rnExpr expr `thenRn` \ (expr', fvExpr) ->
rnStmt (BindStmt pat expr src_loc) thing_inside
= pushSrcLocRn src_loc $
rnExpr expr `thenRn` \ (expr', fv_expr) ->
- bindPatSigTyVars (collectSigTysFromPat pat) $ \ sig_tyvars ->
+ bindPatSigTyVars (collectSigTysFromPat pat) $
bindLocalsFVRn doc (collectPatBinders pat) $ \ new_binders ->
rnPat pat `thenRn` \ (pat', fv_pat) ->
thing_inside (BindStmt pat' expr' src_loc) `thenRn` \ ((rest_binders, result), fvs) ->
checkPrecMatch False fn match
= returnRn ()
-checkPrecMatch True op (Match _ (p1:p2:_) _ _)
+checkPrecMatch True op (Match (p1:p2:_) _ _)
-- True indicates an infix lhs
= getModeRn `thenRn` \ mode ->
-- See comments with rnExpr (OpApp ...)
litFVs (HsIntPrim i) = returnRn (unitFV (getName intPrimTyCon))
litFVs (HsFloatPrim f) = returnRn (unitFV (getName floatPrimTyCon))
litFVs (HsDoublePrim d) = returnRn (unitFV (getName doublePrimTyCon))
-litFVs (HsLitLit l bogus_ty) = lookupOrigName cCallableClass_RDR `thenRn` \ cc ->
- returnRn (unitFV cc)
+litFVs (HsLitLit l bogus_ty) = returnRn (unitFV cCallableClassName)
litFVs lit = pprPanic "RnExpr.litFVs" (ppr lit) -- HsInteger and HsRat only appear
-- in post-typechecker translations
= lookupSyntaxName from_integer_name `thenRn` \ from_integer_name' ->
if inIntRange i then
returnRn (HsIntegral i from_integer_name', unitFV from_integer_name')
- else
- lookupOrigNames [plusInteger_RDR, timesInteger_RDR] `thenRn` \ ns ->
+ else let
+ fvs = mkFVs [plusIntegerName, timesIntegerName]
-- Big integer literals are built, using + and *,
-- out of small integers (DsUtils.mkIntegerLit)
-- [NB: plusInteger, timesInteger aren't rebindable...
-- they are used to construct the argument to fromInteger,
-- which is the rebindable one.]
- returnRn (HsIntegral i from_integer_name', ns `addOneFV` from_integer_name')
+ in
+ returnRn (HsIntegral i from_integer_name', fvs `addOneFV` from_integer_name')
rnOverLit (HsFractional i from_rat_name)
= lookupSyntaxName from_rat_name `thenRn` \ from_rat_name' ->
- lookupOrigNames [ratioDataCon_RDR, plusInteger_RDR, timesInteger_RDR] `thenRn` \ ns ->
+ let
+ fvs = mkFVs [ratioDataConName, plusIntegerName, timesIntegerName]
-- We have to make sure that the Ratio type is imported with
-- its constructor, because literals of type Ratio t are
-- built with that constructor.
-- when fractionalClass does.
-- The plus/times integer operations may be needed to construct the numerator
-- and denominator (see DsUtils.mkIntegerLit)
- returnRn (HsFractional i from_rat_name', ns `addOneFV` from_rat_name')
+ in
+ returnRn (HsFractional i from_rat_name', fvs `addOneFV` from_rat_name')
\end{code}
%************************************************************************