import TcHsSyn ( TcExpr, TcRecordBinds, mkHsLet )
import TcMonad
-import BasicTypes ( RecFlag(..) )
-
+import BasicTypes ( RecFlag(..), isMarkedStrict )
import Inst ( InstOrigin(..),
LIE, mkLIE, emptyLIE, unitLIE, plusLIE, plusLIEs,
newOverloadedLit, newMethod, newIPDict,
import TcBinds ( tcBindsAndThen )
import TcEnv ( tcLookupClass, tcLookupGlobalId, tcLookupGlobal_maybe,
tcLookupTyCon, tcLookupDataCon, tcLookupId,
- tcExtendGlobalTyVars, tcLookupSyntaxName
+ tcExtendGlobalTyVars
)
import TcMatches ( tcMatchesCase, tcMatchLambda, tcStmts )
-import TcMonoType ( tcHsSigType, checkSigTyVars, sigCtxt )
+import TcMonoType ( tcHsSigType, UserTypeCtxt(..), checkSigTyVars, sigCtxt )
import TcPat ( badFieldCon, simpleHsLitTy )
import TcSimplify ( tcSimplifyCheck, tcSimplifyIPs )
import TcMType ( tcInstTyVars, tcInstType,
import DataCon ( dataConFieldLabels, dataConSig,
dataConStrictMarks
)
-import Demand ( isMarkedStrict )
import Name ( Name )
import TyCon ( TyCon, tyConTyVars, isAlgTyCon, tyConDataCons )
import Subst ( mkTopTyVarSubst, substTheta, substTy )
import TysWiredIn ( boolTy, mkListTy, listTyCon )
import PrelNames ( cCallableClassName,
cReturnableClassName,
- enumFromName, enumFromThenName, negateName,
+ enumFromName, enumFromThenName,
enumFromToName, enumFromThenToName,
thenMName, failMName, returnMName, ioTyConName
)
tcMonoExpr (HsOverLit lit) res_ty = newOverloadedLit (LiteralOrigin lit) lit res_ty
tcMonoExpr (HsPar expr) res_ty = tcMonoExpr expr res_ty
-tcMonoExpr (NegApp expr) res_ty
- = tcLookupSyntaxName negateName `thenNF_Tc` \ neg ->
- tcMonoExpr (HsApp (HsVar neg) expr) res_ty
+tcMonoExpr (NegApp expr neg_name) res_ty
+ = tcMonoExpr (HsApp (HsVar neg_name) expr) res_ty
tcMonoExpr (HsLam match) res_ty
= tcMatchLambda match res_ty `thenTc` \ (match',lie) ->
\begin{code}
tcMonoExpr in_expr@(ExprWithTySig expr poly_ty) res_ty
- = tcAddErrCtxt (exprSigCtxt in_expr) $
- tcHsSigType poly_ty `thenTc` \ sig_tc_ty ->
+ = tcHsSigType ExprSigCtxt poly_ty `thenTc` \ sig_tc_ty ->
+ tcAddErrCtxt (exprSigCtxt in_expr) $
if not (isQualifiedTy sig_tc_ty) then
-- Easy case
unifyTauTy sig_tc_ty res_ty `thenTc_`