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{-# LANGUAGE ScopedTypeVariables #-}
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module GHC.Driver.Errors (
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- printOrThrowDiagnostics
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+ reportError
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+ , reportDiagnostic
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, printMessages
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+ , printOrThrowDiagnostics
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, mkDriverPsHeaderMessage
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) where
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import GHC.Driver.Errors.Types
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import GHC.Prelude
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+import GHC.Types.SrcLoc
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import GHC.Types.SourceError
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import GHC.Types.Error
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import GHC.Utils.Error
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-import GHC.Utils.Outputable (hang, ppr, ($$), text, mkErrStyle, sdocStyle, updSDocContext )
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+import GHC.Utils.Outputable
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import GHC.Utils.Logger
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+reportError :: Logger -> NamePprCtx -> DiagOpts -> SrcSpan -> SDoc -> IO ()
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+reportError logger nameContext opts span doc = do
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+ let
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+ message :: MsgEnvelope DiagnosticMessage
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+ message = mkErrorMsgEnvelope span nameContext DiagnosticMessage {
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+ diagMessage = mkDecorated [doc]
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+ , diagReason = ErrorWithoutFlag
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+ , diagHints = []
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+ }
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+ printMessage logger NoDiagnosticOpts opts message
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+
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+reportDiagnostic :: Logger -> NamePprCtx -> DiagOpts -> SrcSpan -> DiagnosticReason -> SDoc -> IO ()
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+reportDiagnostic logger nameContext opts span reason doc = do
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+ let
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+ message :: MsgEnvelope DiagnosticMessage
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+ message = mkMsgEnvelope opts span nameContext DiagnosticMessage {
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+ diagMessage = mkDecorated [doc]
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+ , diagReason = reason
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+ , diagHints = []
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+ }
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+ printMessage logger NoDiagnosticOpts opts message
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+
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printMessages :: forall a. (Diagnostic a) => Logger -> DiagnosticOpts a -> DiagOpts -> Messages a -> IO ()
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-printMessages logger msg_opts opts msgs
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- = sequence_ [ let style = mkErrStyle name_ppr_ctx
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- ctx = (diag_ppr_ctx opts) { sdocStyle = style }
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- in (if log_diags_as_json
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- then logJsonMsg logger (MCDiagnostic sev reason (diagnosticCode dia)) msg
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- else logMsg logger (MCDiagnostic sev reason (diagnosticCode dia)) s $
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- updSDocContext (\_ -> ctx) (messageWithHints dia))
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- | msg@MsgEnvelope { errMsgSpan = s,
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- errMsgDiagnostic = dia,
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- errMsgSeverity = sev,
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- errMsgReason = reason,
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- errMsgContext = name_ppr_ctx }
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- <- sortMsgBag (Just opts) (getMessages msgs) ]
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+printMessages logger msg_opts opts = mapM_ (printMessage logger msg_opts opts) . sortMessages
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+ where
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+ sortMessages :: Messages a -> [MsgEnvelope a]
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+ sortMessages = sortMsgBag (Just opts) . getMessages
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+
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+printMessage :: forall a. (Diagnostic a) => Logger -> DiagnosticOpts a -> DiagOpts -> MsgEnvelope a -> IO ()
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+printMessage logger msg_opts opts message
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+ | log_diags_as_json = logJsonMsg logger messageClass message
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+ | otherwise = logMsg logger messageClass location doc
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where
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+ doc :: SDoc
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+ doc = updSDocContext (\_ -> ctx) (messageWithHints diagnostic)
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+
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+ messageClass :: MessageClass
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+ messageClass = MCDiagnostic severity (errMsgReason message) (diagnosticCode diagnostic)
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+
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+ style :: PprStyle
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+ style = mkErrStyle (errMsgContext message)
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+
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+ location :: SrcSpan
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+ location = errMsgSpan message
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+
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+ ctx :: SDocContext
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+ ctx = (diag_ppr_ctx opts) { sdocStyle = style }
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+
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+ diagnostic :: a
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+ diagnostic = errMsgDiagnostic message
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+
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+ severity :: Severity
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+ severity = errMsgSeverity message
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+
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messageWithHints :: a -> SDoc
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messageWithHints e =
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let main_msg = formatBulleted $ diagnosticMessage msg_opts e
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| ... |
... |
@@ -36,6 +78,8 @@ printMessages logger msg_opts opts msgs |
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[h] -> main_msg $$ hang (text "Suggested fix:") 2 (ppr h)
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hs -> main_msg $$ hang (text "Suggested fixes:") 2
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(formatBulleted $ mkDecorated . map ppr $ hs)
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+
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+ log_diags_as_json :: Bool
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log_diags_as_json = log_diagnostics_as_json (logFlags logger)
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-- | Given a bag of diagnostics, turn them into an exception if
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