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-rw-r--r--compiler/GHC/Rename/Env.hs16
-rw-r--r--compiler/GHC/Tc/Errors/Ppr.hs20
-rw-r--r--compiler/GHC/Tc/Errors/Types.hs42
-rw-r--r--compiler/GHC/Types/Error/Codes.hs5
4 files changed, 29 insertions, 54 deletions
diff --git a/compiler/GHC/Rename/Env.hs b/compiler/GHC/Rename/Env.hs
index 0c0e944d64..ec423d0087 100644
--- a/compiler/GHC/Rename/Env.hs
+++ b/compiler/GHC/Rename/Env.hs
@@ -187,7 +187,7 @@ newTopSrcBinder (L loc rdr_name)
if isExternalName name then
do { this_mod <- getModule
; unless (this_mod == nameModule name)
- (addErrAt (locA loc) (badOrigBinding rdr_name))
+ (addErrAt (locA loc) (TcRnBindingOfExistingName rdr_name))
; return name }
else -- See Note [Binders in Template Haskell] in "GHC.ThToHs"
do { this_mod <- getModule
@@ -196,7 +196,7 @@ newTopSrcBinder (L loc rdr_name)
| Just (rdr_mod, rdr_occ) <- isOrig_maybe rdr_name
= do { this_mod <- getModule
; unless (rdr_mod == this_mod || rdr_mod == rOOT_MAIN)
- (addErrAt (locA loc) (badOrigBinding rdr_name))
+ (addErrAt (locA loc) (TcRnBindingOfExistingName rdr_name))
-- When reading External Core we get Orig names as binders,
-- but they should agree with the module gotten from the monad
--
@@ -205,7 +205,7 @@ newTopSrcBinder (L loc rdr_name)
-- the constructor is parsed as a type, and then GHC.Parser.PostProcess.tyConToDataCon
-- uses setRdrNameSpace to make it into a data constructors. At that point
-- the nice Exact name for the TyCon gets swizzled to an Orig name.
- -- Hence the badOrigBinding error message.
+ -- Hence the TcRnBindingOfExistingName error message.
--
-- MP 2022: I suspect this code path is never called for `rOOT_MAIN` anymore
@@ -2118,13 +2118,3 @@ lookupQualifiedDoName ctxt std_name
= case qualifiedDoModuleName_maybe ctxt of
Nothing -> lookupSyntaxName std_name
Just modName -> lookupNameWithQualifier std_name modName
-
-
--- Error messages
-
-badOrigBinding :: RdrName -> TcRnMessage
-badOrigBinding name
- | Just _ <- isBuiltInOcc_maybe occ = TcRnIllegalBindingOfBuiltIn occ
- | otherwise = TcRnNameByTemplateHaskellQuote name
- where
- occ = rdrNameOcc $ filterCTuple name
diff --git a/compiler/GHC/Tc/Errors/Ppr.hs b/compiler/GHC/Tc/Errors/Ppr.hs
index 984cf95903..e173567844 100644
--- a/compiler/GHC/Tc/Errors/Ppr.hs
+++ b/compiler/GHC/Tc/Errors/Ppr.hs
@@ -25,7 +25,7 @@ module GHC.Tc.Errors.Ppr
import GHC.Prelude
import GHC.Builtin.Names
-import GHC.Builtin.Types ( boxedRepDataConTyCon, tYPETyCon )
+import GHC.Builtin.Types ( boxedRepDataConTyCon, tYPETyCon, filterCTuple )
import GHC.Core.Coercion
import GHC.Core.Unify ( tcMatchTys )
@@ -968,10 +968,6 @@ instance Diagnostic TcRnMessage where
-> mkSimpleDecorated $
text "You cannot SPECIALISE" <+> quotes (ppr name)
<+> text "because its definition is not visible in this module"
- TcRnNameByTemplateHaskellQuote name -> mkSimpleDecorated $
- text "Cannot redefine a Name retrieved by a Template Haskell quote:" <+> ppr name
- TcRnIllegalBindingOfBuiltIn name -> mkSimpleDecorated $
- text "Illegal binding of built-in syntax:" <+> ppr name
TcRnPragmaWarning {pragma_warning_occ, pragma_warning_msg, pragma_warning_import_mod, pragma_warning_defined_mod}
-> mkSimpleDecorated $
sep [ sep [ text "In the use of"
@@ -1238,6 +1234,8 @@ instance Diagnostic TcRnMessage where
Left gbl_names -> vcat (map (\name -> quotes (ppr $ grePrintableName name) <+> pprNameProvenance name) gbl_names)
Right lcl_name -> quotes (ppr lcl_name) <+> text "defined at"
<+> ppr (nameSrcLoc lcl_name)
+ TcRnBindingOfExistingName name -> mkSimpleDecorated $
+ text "Illegal binding of an existing name:" <+> ppr (filterCTuple name)
diagnosticReason = \case
TcRnUnknownMessage m
@@ -1552,10 +1550,6 @@ instance Diagnostic TcRnMessage where
-> WarningWithoutFlag
TcRnSpecialiseNotVisible{}
-> WarningWithoutFlag
- TcRnNameByTemplateHaskellQuote{}
- -> ErrorWithoutFlag
- TcRnIllegalBindingOfBuiltIn{}
- -> ErrorWithoutFlag
TcRnPragmaWarning{}
-> WarningWithFlag Opt_WarnWarningsDeprecations
TcRnIllegalHsigDefaultMethods{}
@@ -1646,6 +1640,8 @@ instance Diagnostic TcRnMessage where
-> ErrorWithoutFlag
TcRnCapturedTermName{}
-> WarningWithFlag Opt_WarnTermVariableCapture
+ TcRnBindingOfExistingName{}
+ -> ErrorWithoutFlag
diagnosticHints = \case
TcRnUnknownMessage m
@@ -1962,10 +1958,6 @@ instance Diagnostic TcRnMessage where
-> noHints
TcRnSpecialiseNotVisible name
-> [SuggestSpecialiseVisibilityHints name]
- TcRnNameByTemplateHaskellQuote{}
- -> noHints
- TcRnIllegalBindingOfBuiltIn{}
- -> noHints
TcRnPragmaWarning{}
-> noHints
TcRnIllegalHsigDefaultMethods{}
@@ -2059,6 +2051,8 @@ instance Diagnostic TcRnMessage where
-> [suggestExtension LangExt.TupleSections]
TcRnCapturedTermName{}
-> [SuggestRenameTypeVariable]
+ TcRnBindingOfExistingName{}
+ -> noHints
diagnosticCode = constructorCode
diff --git a/compiler/GHC/Tc/Errors/Types.hs b/compiler/GHC/Tc/Errors/Types.hs
index add396957c..3846dd874d 100644
--- a/compiler/GHC/Tc/Errors/Types.hs
+++ b/compiler/GHC/Tc/Errors/Types.hs
@@ -2193,32 +2193,6 @@ data TcRnMessage where
-}
TcRnSpecialiseNotVisible :: !Name -> TcRnMessage
- {- TcRnNameByTemplateHaskellQuote is an error that occurs when one tries
- to use a Template Haskell splice to define a top-level identifier with
- an already existing name.
-
- (See issue #13968 (closed) on GHC's issue tracker for more details)
-
- Example(s):
-
- $(pure [ValD (VarP 'succ) (NormalB (ConE 'True)) []])
-
- Test cases:
- T13968
- -}
- TcRnNameByTemplateHaskellQuote :: !RdrName -> TcRnMessage
-
- {- TcRnIllegalBindingOfBuiltIn is an error that occurs when one uses built-in
- syntax for data constructors or class names.
-
- Use an OccName here because we don't want to print Prelude.(,)
-
- Test cases:
- rename/should_fail/T14907b
- rename/should_fail/rnfail042
- -}
- TcRnIllegalBindingOfBuiltIn :: !OccName -> TcRnMessage
-
{- TcRnPragmaWarning is a warning that can happen when usage of something
is warned or deprecated by pragma.
@@ -2773,6 +2747,22 @@ data TcRnMessage where
-}
TcRnSectionWithoutParentheses :: HsExpr GhcPs -> TcRnMessage
+ {- TcRnBindingOfExistingName is an error triggered by an attempt to rebind
+ built-in syntax, punned list or tuple syntax, or a name quoted via Template Haskell.
+
+ Examples:
+
+ data []
+ data (->)
+ $(pure [ValD (VarP 'succ) (NormalB (ConE 'True)) []])
+
+ Test cases: rename/should_fail/T14907b
+ rename/should_fail/T22839
+ rename/should_fail/rnfail042
+ th/T13968
+ -}
+ TcRnBindingOfExistingName :: RdrName -> TcRnMessage
+
deriving Generic
-- | Things forbidden in @type data@ declarations.
diff --git a/compiler/GHC/Types/Error/Codes.hs b/compiler/GHC/Types/Error/Codes.hs
index 544ebc905f..c46320da0d 100644
--- a/compiler/GHC/Types/Error/Codes.hs
+++ b/compiler/GHC/Types/Error/Codes.hs
@@ -468,8 +468,6 @@ type family GhcDiagnosticCode c = n | n -> c where
GhcDiagnosticCode "TcRnNonOverloadedSpecialisePragma" = 35827
GhcDiagnosticCode "TcRnSpecialiseNotVisible" = 85337
GhcDiagnosticCode "TcRnIllegalTypeOperatorDecl" = 50649
- GhcDiagnosticCode "TcRnNameByTemplateHaskellQuote" = 40027
- GhcDiagnosticCode "TcRnIllegalBindingOfBuiltIn" = 69639
GhcDiagnosticCode "TcRnIllegalHsigDefaultMethods" = 93006
GhcDiagnosticCode "TcRnBadGenericMethod" = 59794
@@ -502,6 +500,7 @@ type family GhcDiagnosticCode c = n | n -> c where
GhcDiagnosticCode "TcRnBadFamInstDecl" = 06206
GhcDiagnosticCode "TcRnNotOpenFamily" = 06207
GhcDiagnosticCode "TcRnCapturedTermName" = 54201
+ GhcDiagnosticCode "TcRnBindingOfExistingName" = 58805
-- IllegalNewtypeReason
GhcDiagnosticCode "DoesNotHaveSingleField" = 23517
@@ -607,6 +606,8 @@ type family GhcDiagnosticCode c = n | n -> c where
-- no longer reports. These are collected below.
GhcDiagnosticCode "Example outdated error" = 00000
+ GhcDiagnosticCode "TcRnNameByTemplateHaskellQuote" = 40027
+ GhcDiagnosticCode "TcRnIllegalBindingOfBuiltIn" = 69639
{- *********************************************************************
* *
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