diff options
Diffstat (limited to 'compiler/GHC/Driver/Env.hs')
| -rw-r--r-- | compiler/GHC/Driver/Env.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/GHC/Driver/Env.hs b/compiler/GHC/Driver/Env.hs index 219e66106b..79d9e47088 100644 --- a/compiler/GHC/Driver/Env.hs +++ b/compiler/GHC/Driver/Env.hs @@ -11,6 +11,7 @@ module GHC.Driver.Env , mkInteractiveHscEnv , runInteractiveHsc , hscEPS + , hscInterp , hptCompleteSigs , hptInstances , hptAnns @@ -33,6 +34,7 @@ import GHC.Driver.Session import GHC.Driver.Errors ( printOrThrowDiagnostics ) import GHC.Runtime.Context +import GHC.Runtime.Interpreter.Types (Interp) import GHC.Driver.Env.Types ( Hsc(..), HscEnv(..) ) import GHC.Unit @@ -59,6 +61,7 @@ import GHC.Builtin.Names ( gHC_PRIM ) import GHC.Data.Maybe +import GHC.Utils.Exception as Ex import GHC.Utils.Outputable import GHC.Utils.Monad import GHC.Utils.Panic @@ -293,3 +296,11 @@ lookupIfaceByModule hpt pit mod mainModIs :: HscEnv -> Module mainModIs hsc_env = mkHomeModule (hsc_home_unit hsc_env) (mainModuleNameIs (hsc_dflags hsc_env)) + +-- | Retrieve the target code interpreter +-- +-- Fails if no target code interpreter is available +hscInterp :: HscEnv -> Interp +hscInterp hsc_env = case hsc_interp hsc_env of + Nothing -> throw (InstallationError "Couldn't find a target code interpreter. Try with -fexternal-interpreter") + Just i -> i |