opt_Flatten,
-- optimisation opts
- opt_NoMethodSharing,
+ opt_NoMethodSharing,
+ opt_NoStateHack,
opt_LiberateCaseThreshold,
opt_CprOff,
opt_RulesOff,
import Config
import Maybes ( firstJust )
+import Panic ( ghcError, GhcException(UsageError) )
import GLAEXTS
import DATA_IOREF ( IORef, readIORef, writeIORef )
import UNSAFE_IO ( unsafePerformIO )
data DynFlag
-- debugging flags
- = Opt_D_dump_absC
+ = Opt_D_dump_cmm
| Opt_D_dump_asm
| Opt_D_dump_cpranal
| Opt_D_dump_deriv
| Opt_D_dump_inlinings
| Opt_D_dump_occur_anal
| Opt_D_dump_parsed
- | Opt_D_dump_realC
| Opt_D_dump_rn
| Opt_D_dump_simpl
| Opt_D_dump_simpl_iterations
| Opt_D_dump_worker_wrapper
| Opt_D_dump_rn_trace
| Opt_D_dump_rn_stats
- | Opt_D_dump_stix
+ | Opt_D_dump_opt_cmm
| Opt_D_dump_simpl_stats
| Opt_D_dump_tc_trace
| Opt_D_dump_if_trace
| Opt_D_dump_minimal_imports
| Opt_DoCoreLinting
| Opt_DoStgLinting
+ | Opt_DoCmmLinting
| Opt_WarnIsError -- -Werror; makes warnings fatal
| Opt_WarnDuplicateExports
| Opt_WarnUnusedImports
| Opt_WarnUnusedMatches
| Opt_WarnDeprecations
- | Opt_WarnMisc
+ | Opt_WarnDodgyImports
-- language opts
| Opt_AllowOverlappingInstances
Opt_WarnUnusedMatches,
Opt_WarnUnusedImports,
Opt_WarnIncompletePatterns,
- Opt_WarnMisc
+ Opt_WarnDodgyImports
]
minusWallOpts
lookUp sw = sw `elem` packed_static_opts
-lookup_str sw = firstJust (map (startsWith sw) unpacked_static_opts)
+-- (lookup_str "foo") looks for the flag -foo=X or -fooX,
+-- and returns the string X
+lookup_str sw
+ = case firstJust (map (startsWith sw) unpacked_static_opts) of
+ Just ('=' : str) -> Just str
+ Just str -> Just str
+ Nothing -> Nothing
lookup_int sw = case (lookup_str sw) of
Nothing -> Nothing
- Just xx -> Just (read xx)
+ Just xx -> Just (try_read sw xx)
lookup_def_int sw def = case (lookup_str sw) of
Nothing -> def -- Use default
- Just xx -> read xx
+ Just xx -> try_read sw xx
lookup_def_float sw def = case (lookup_str sw) of
Nothing -> def -- Use default
- Just xx -> read xx
+ Just xx -> try_read sw xx
+
+
+try_read :: Read a => String -> String -> a
+-- (try_read sw str) tries to read s; if it fails, it
+-- bleats about flag sw
+try_read sw str
+ = case reads str of
+ ((x,_):_) -> x -- Be forgiving: ignore trailing goop, and alternative parses
+ [] -> ghcError (UsageError ("Malformed argument " ++ str ++ " for flag " ++ sw))
+ -- ToDo: hack alert. We should really parse the arugments
+ -- and announce errors in a more civilised way.
{-
opt_Flatten = lookUp FSLIT("-fflatten")
-- optimisation opts
+opt_NoStateHack = lookUp FSLIT("-fno-state-hack")
opt_NoMethodSharing = lookUp FSLIT("-fno-method-sharing")
opt_CprOff = lookUp FSLIT("-fcpr-off")
opt_RulesOff = lookUp FSLIT("-frules-off")
"fno-hi-version-check",
"dno-black-holing",
"fno-method-sharing",
+ "fno-state-hack",
"fruntime-types",
"fno-pre-inlining",
"fexcess-precision",
"funfolding-update-in-place",
- "fno-prune-decls",
"static",
"funregisterised",
"fext-core",