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-- | Subsystem configuration
module GHC.Driver.Config
( initOptCoercionOpts
, initSimpleOpts
, initEvalOpts
)
where
import GHC.Prelude
import GHC.Driver.DynFlags
import GHC.Core.SimpleOpt
import GHC.Core.Coercion.Opt
import GHCi.Message (EvalOpts(..))
-- | Initialise coercion optimiser configuration from DynFlags
initOptCoercionOpts :: DynFlags -> OptCoercionOpts
initOptCoercionOpts dflags = OptCoercionOpts
{ optCoercionEnabled = not (hasNoOptCoercion dflags)
}
-- | Initialise Simple optimiser configuration from DynFlags
initSimpleOpts :: DynFlags -> SimpleOpts
initSimpleOpts dflags = SimpleOpts
{ so_uf_opts = unfoldingOpts dflags
, so_co_opts = initOptCoercionOpts dflags
, so_eta_red = gopt Opt_DoEtaReduction dflags
}
-- | Extract GHCi options from DynFlags and step
initEvalOpts :: DynFlags -> Bool -> EvalOpts
initEvalOpts dflags step =
EvalOpts
{ useSandboxThread = gopt Opt_GhciSandbox dflags
, singleStep = step
, breakOnException = gopt Opt_BreakOnException dflags
, breakOnError = gopt Opt_BreakOnError dflags
}
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