diff options
Diffstat (limited to 'compiler/GHC/Tc/Types.hs')
| -rw-r--r-- | compiler/GHC/Tc/Types.hs | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/compiler/GHC/Tc/Types.hs b/compiler/GHC/Tc/Types.hs index 40cdf54d12..8e9e1db1b7 100644 --- a/compiler/GHC/Tc/Types.hs +++ b/compiler/GHC/Tc/Types.hs @@ -81,7 +81,10 @@ module GHC.Tc.Types( lookupRoleAnnot, getRoleAnnots, -- Linting - lintGblEnv + lintGblEnv, + + -- Diagnostics + TcRnMessage ) where #include "HsVersions.h" @@ -100,6 +103,7 @@ import GHC.Tc.Types.Constraint import GHC.Tc.Types.Origin import GHC.Tc.Types.Evidence import {-# SOURCE #-} GHC.Tc.Errors.Hole.FitTypes ( HoleFitPlugin ) +import GHC.Tc.Errors.Types import GHC.Core.Type import GHC.Core.TyCon ( TyCon, tyConKind ) @@ -130,7 +134,6 @@ import GHC.Types.Unique.FM import GHC.Types.Basic import GHC.Types.CostCentre.State import GHC.Types.HpcInfo -import GHC.Types.Error ( DiagnosticMessage ) import GHC.Data.IOEnv import GHC.Data.Bag @@ -560,11 +563,18 @@ data TcGblEnv -- function, if this module is -- the main module. - tcg_safeInfer :: TcRef (Bool, WarningMessages), - -- ^ Has the typechecker inferred this module as -XSafe (Safe Haskell) + tcg_safe_infer :: TcRef Bool, + -- ^ Has the typechecker inferred this module as -XSafe (Safe Haskell)? -- See Note [Safe Haskell Overlapping Instances Implementation], -- although this is used for more than just that failure case. + tcg_safe_infer_reasons :: TcRef (Messages TcRnMessage), + -- ^ Unreported reasons why tcg_safe_infer is False. + -- INVARIANT: If this Messages is non-empty, then tcg_safe_infer is False. + -- It may be that tcg_safe_infer is False but this is empty, if no reasons + -- are supplied (#19714), or if those reasons have already been + -- reported by GHC.Driver.Main.markUnsafeInfer + tcg_tc_plugins :: [TcPluginSolver], -- ^ A list of user-defined plugins for the constraint solver. tcg_hf_plugins :: [HoleFitPlugin], @@ -769,7 +779,7 @@ data TcLclEnv -- Changes as we move inside an expression -- and for tidying types tcl_lie :: TcRef WantedConstraints, -- Place to accumulate type constraints - tcl_errs :: TcRef (Messages DiagnosticMessage) -- Place to accumulate errors + tcl_errs :: TcRef (Messages TcRnMessage) -- Place to accumulate diagnostics } setLclEnvTcLevel :: TcLclEnv -> TcLevel -> TcLclEnv |