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{-# LANGUAGE TypeApplications #-}
-- | Functions for initialising error message printing configuration from the
-- GHC session flags.
module GHC.Driver.Config.Diagnostic
( initDiagOpts
, initPrintConfig
, initPsMessageOpts
, initDsMessageOpts
, initTcMessageOpts
, initDriverMessageOpts
)
where
import GHC.Driver.Flags
import GHC.Driver.Session
import GHC.Utils.Outputable
import GHC.Utils.Error (DiagOpts (..))
import GHC.Driver.Errors.Types (GhcMessage, GhcMessageOpts (..), PsMessage, DriverMessage, DriverMessageOpts (..))
import GHC.Driver.Errors.Ppr ()
import GHC.Tc.Errors.Types
import GHC.HsToCore.Errors.Types
import GHC.Types.Error
-- | Initialise the general configuration for printing diagnostic messages
-- For example, this configuration controls things like whether warnings are
-- treated like errors.
initDiagOpts :: DynFlags -> DiagOpts
initDiagOpts dflags = DiagOpts
{ diag_warning_flags = warningFlags dflags
, diag_fatal_warning_flags = fatalWarningFlags dflags
, diag_warn_is_error = gopt Opt_WarnIsError dflags
, diag_reverse_errors = reverseErrors dflags
, diag_max_errors = maxErrors dflags
, diag_ppr_ctx = initSDocContext dflags defaultErrStyle
}
-- | Initialise the configuration for printing specific diagnostic messages
initPrintConfig :: DynFlags -> DiagnosticOpts GhcMessage
initPrintConfig dflags =
GhcMessageOpts { psMessageOpts = initPsMessageOpts dflags
, tcMessageOpts = initTcMessageOpts dflags
, dsMessageOpts = initDsMessageOpts dflags
, driverMessageOpts= initDriverMessageOpts dflags }
initPsMessageOpts :: DynFlags -> DiagnosticOpts PsMessage
initPsMessageOpts _ = NoDiagnosticOpts
initTcMessageOpts :: DynFlags -> DiagnosticOpts TcRnMessage
initTcMessageOpts _ = NoDiagnosticOpts
initDsMessageOpts :: DynFlags -> DiagnosticOpts DsMessage
initDsMessageOpts _ = NoDiagnosticOpts
initDriverMessageOpts :: DynFlags -> DiagnosticOpts DriverMessage
initDriverMessageOpts dflags = DriverMessageOpts (initPsMessageOpts dflags)
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