[project @ 2000-12-19 12:36:12 by sewardj]
[ghc-hetmet.git] / ghc / compiler / main / CmdLineOpts.lhs
index f9a7373..5d2338c 100644 (file)
@@ -10,15 +10,20 @@ module CmdLineOpts (
        SimplifierSwitch(..), isAmongSimpl,
        StgToDo(..),
        SwitchResult(..),
+
        HscLang(..),
        DynFlag(..),    -- needed non-abstractly by DriverFlags
        DynFlags(..),
+       defaultDynFlags,
+
+       v_Static_hsc_opts,
 
        intSwitchSet,
        switchIsOn,
        isStaticHscFlag,
 
        opt_PprStyle_NoPrags,
+       opt_PprStyle_RawTypes,
        opt_PprUserLength,
        opt_PprStyle_Debug,
 
@@ -46,6 +51,7 @@ module CmdLineOpts (
        opt_NumbersStrict,
        opt_Parallel,
        opt_SMP,
+       opt_NoMonomorphismRestriction,
 
        -- optimisation opts
        opt_DoSemiTagging,
@@ -83,24 +89,23 @@ module CmdLineOpts (
        opt_IgnoreAsserts,
        opt_IgnoreIfacePragmas,
         opt_NoHiCheck,
-       opt_NoImplicitPrelude,
        opt_OmitBlackHoling,
        opt_OmitInterfacePragmas,
        opt_NoPruneTyDecls,
        opt_NoPruneDecls,
        opt_Static,
-       opt_Unregisterised,
-       opt_Verbose
+       opt_Unregisterised
     ) where
 
 #include "HsVersions.h"
 
 import Array   ( array, (//) )
 import GlaExts
-import Argv
+import IOExts  ( IORef, readIORef )
 import Constants       -- Default values for some flags
 import Util
 import FastTypes
+import Config
 
 import Maybes          ( firstJust )
 import Panic           ( panic )
@@ -185,9 +190,7 @@ data CoreToDo               -- These are diff core-to-core passes,
 
 \begin{code}
 data StgToDo
-  = StgDoStaticArgs
-  | StgDoLambdaLift
-  | StgDoMassageForProfiling  -- should be (next to) last
+  = StgDoMassageForProfiling  -- should be (next to) last
   -- There's also setStgVarInfo, but its absolute "lastness"
   -- is so critical that it is hardwired in (no flag).
   | D_stg_stats
@@ -212,9 +215,7 @@ data SimplifierSwitch
 data DynFlag
 
    -- debugging flags
-   = Opt_D_dump_all
-   | Opt_D_dump_most
-   | Opt_D_dump_absC
+   = Opt_D_dump_absC
    | Opt_D_dump_asm
    | Opt_D_dump_cpranal
    | Opt_D_dump_deriv
@@ -229,6 +230,7 @@ data DynFlag
    | Opt_D_dump_simpl
    | Opt_D_dump_simpl_iterations
    | Opt_D_dump_spec
+   | Opt_D_dump_sat
    | Opt_D_dump_stg
    | Opt_D_dump_stranal
    | Opt_D_dump_tc
@@ -237,14 +239,15 @@ data DynFlag
    | Opt_D_dump_usagesp
    | Opt_D_dump_cse
    | Opt_D_dump_worker_wrapper
-   | Opt_D_show_passes
    | Opt_D_dump_rn_trace
    | Opt_D_dump_rn_stats
    | Opt_D_dump_stix
    | Opt_D_dump_simpl_stats
+   | Opt_D_dump_BCOs
    | Opt_D_source_stats
    | Opt_D_verbose_core2core
    | Opt_D_verbose_stg2stg
+   | Opt_D_dump_hi
    | Opt_D_dump_hi_diffs
    | Opt_D_dump_minimal_imports
    | Opt_DoCoreLinting
@@ -271,26 +274,45 @@ data DynFlag
    | Opt_AllowUndecidableInstances
    | Opt_GlasgowExts
    | Opt_Generics
+   | Opt_NoImplicitPrelude 
 
    -- misc
    | Opt_ReportCompile
    deriving (Eq)
 
 data DynFlags = DynFlags {
-  coreToDo   :: CoreToDo,
-  stgToDo    :: StgToDo,
+  coreToDo   :: [CoreToDo],
+  stgToDo    :: [StgToDo],
   hscLang    :: HscLang,
   hscOutName :: String,  -- name of the file in which to place output
+  verbosity  :: Int,    -- verbosity level
   flags      :: [DynFlag]
  }
 
+defaultDynFlags = DynFlags {
+  coreToDo = [], stgToDo = [], 
+  hscLang = HscC, hscOutName = "", 
+  verbosity = 0, flags = []
+  }
+
+{- 
+    Verbosity levels:
+       
+    0  |   print errors & warnings only
+    1   |   minimal verbosity: print "compiling M ... done." for each module.
+    2   |   equivalent to -dshow-passes
+    3   |   equivalent to existing "ghc -v"
+    4   |   "ghc -v -ddump-most"
+    5   |   "ghc -v -ddump-all"
+-}
+
 dopt :: DynFlag -> DynFlags -> Bool
 dopt f dflags  = f `elem` (flags dflags)
 
-dopt_CoreToDo :: DynFlags -> CoreToDo
+dopt_CoreToDo :: DynFlags -> [CoreToDo]
 dopt_CoreToDo = coreToDo
 
-dopt_StgToDo :: DynFlags -> StgToDo
+dopt_StgToDo :: DynFlags -> [StgToDo]
 dopt_StgToDo = stgToDo
 
 dopt_OutName :: DynFlags -> String
@@ -301,7 +323,7 @@ data HscLang
   | HscAsm
   | HscJava
   | HscInterpreted
-    deriving Eq
+    deriving (Eq, Show)
 
 dopt_HscLang :: DynFlags -> HscLang
 dopt_HscLang = hscLang
@@ -314,15 +336,22 @@ dopt_HscLang = hscLang
 %************************************************************************
 
 \begin{code}
+-- v_Statis_hsc_opts is here to avoid a circular dependency with
+-- main/DriverState.
+GLOBAL_VAR(v_Static_hsc_opts, [], [String])
+
 lookUp          :: FAST_STRING -> Bool
 lookup_int              :: String -> Maybe Int
 lookup_def_int   :: String -> Int -> Int
 lookup_def_float :: String -> Float -> Float
 lookup_str       :: String -> Maybe String
 
-lookUp     sw = sw `elem` argv
+unpacked_static_opts = unsafePerformIO (readIORef v_Static_hsc_opts)
+packed_static_opts   = map _PK_ unpacked_static_opts
+
+lookUp     sw = sw `elem` packed_static_opts
        
-lookup_str sw = firstJust (map (startsWith sw) unpacked_opts)
+lookup_str sw = firstJust (map (startsWith sw) unpacked_static_opts)
 
 lookup_int sw = case (lookup_str sw) of
                  Nothing -> Nothing
@@ -332,15 +361,10 @@ lookup_def_int sw def = case (lookup_str sw) of
                            Nothing -> def              -- Use default
                            Just xx -> read xx
 
-lookup_def_char sw def = case (lookup_str sw) of
-                           Just (xx:_) -> xx
-                           _           -> def          -- Use default
-
 lookup_def_float sw def = case (lookup_str sw) of
                            Nothing -> def              -- Use default
                            Just xx -> read xx
 
-unpacked_opts = map _UNPK_ argv
 
 {-
  Putting the compiler options into temporary at-files
@@ -352,7 +376,7 @@ unpacked_opts :: [String]
 unpacked_opts =
   concat $
   map (expandAts) $
-  map _UNPK_ argv
+  map _UNPK_ argv  -- NOT ARGV any more: v_Static_hsc_opts
   where
    expandAts ('@':fname) = words (unsafePerformIO (readFile fname))
    expandAts l = [l]
@@ -369,6 +393,7 @@ unpacked_opts =
 -- debugging opts
 opt_PprStyle_NoPrags           = lookUp  SLIT("-dppr-noprags")
 opt_PprStyle_Debug             = lookUp  SLIT("-dppr-debug")
+opt_PprStyle_RawTypes          = lookUp  SLIT("-dppr-rawtypes")
 opt_PprUserLength              = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name
 
 -- profiling opts
@@ -381,6 +406,7 @@ opt_DoTickyProfiling                = lookUp  SLIT("-fticky-ticky")
 
 -- language opts
 opt_AllStrict                  = lookUp  SLIT("-fall-strict")
+opt_NoMonomorphismRestriction  = lookUp  SLIT("-fno-monomorphism-restriction")
 opt_DictsStrict                        = lookUp  SLIT("-fdicts-strict")
 opt_IrrefutableTuples          = lookUp  SLIT("-firrefutable-tuples")
 opt_MaxContextReductionDepth   = lookup_def_int "-fcontext-stack" mAX_CONTEXT_REDUCTION_DEPTH
@@ -409,12 +435,11 @@ opt_InPackage                     = case lookup_str "-inpackage=" of
 opt_EmitCExternDecls           = lookUp  SLIT("-femit-extern-decls")
 opt_EnsureSplittableC          = lookUp  SLIT("-fglobalise-toplev-names")
 opt_GranMacros                 = lookUp  SLIT("-fgransim")
-opt_HiVersion                  = lookup_def_int "-fhi-version=" 0 -- what version we're compiling.
+opt_HiVersion                  = read cProjectVersionInt :: Int
 opt_HistorySize                        = lookup_def_int "-fhistory-size" 20
 opt_IgnoreAsserts               = lookUp  SLIT("-fignore-asserts")
 opt_IgnoreIfacePragmas         = lookUp  SLIT("-fignore-interface-pragmas")
 opt_NoHiCheck                   = lookUp  SLIT("-fno-hi-version-check")
-opt_NoImplicitPrelude          = lookUp  SLIT("-fno-implicit-prelude")
 opt_OmitBlackHoling            = lookUp  SLIT("-dno-black-holing")
 opt_OmitInterfacePragmas       = lookUp  SLIT("-fomit-interface-pragmas")
 
@@ -444,7 +469,6 @@ opt_NoPruneDecls            = lookUp SLIT("-fno-prune-decls")
 opt_NoPruneTyDecls             = lookUp SLIT("-fno-prune-tydecls")
 opt_Static                     = lookUp SLIT("-static")
 opt_Unregisterised             = lookUp SLIT("-funregisterised")
-opt_Verbose                    = lookUp SLIT("-v")
 \end{code}
 
 %************************************************************************
@@ -456,58 +480,55 @@ opt_Verbose                       = lookUp SLIT("-v")
 \begin{code}
 isStaticHscFlag f =
   f `elem` [
-       "-fauto-sccs-on-all-toplevs",
-       "-fauto-sccs-on-exported-toplevs",
-       "-fauto-sccs-on-individual-cafs",
-       "-fauto-sccs-on-dicts",
-       "-fscc-profiling",
-       "-fticky-ticky",
-       "-fall-strict",
-       "-fdicts-strict",
-       "-fgenerics",
-       "-firrefutable-tuples",
-       "-fnumbers-strict",
-       "-fparallel",
-       "-fsmp",
-       "-fsemi-tagging",
-       "-ffoldr-build-on",
-       "-flet-no-escape",
-       "-funfold-casms-in-hi-file",
-       "-fusagesp-on",
-       "-funbox-strict-fields",
-       "-femit-extern-decls",
-       "-fglobalise-toplev-names",
-       "-fgransim",
-       "-fignore-asserts",
-       "-fignore-interface-pragmas",
-       "-fno-hi-version-check",
-       "-fno-implicit-prelude",
-       "-dno-black-holing",
-       "-fomit-interface-pragmas",
-       "-fno-pre-inlining",
-       "-fdo-eta-reduction",
-       "-fdo-lambda-eta-expansion",
-       "-fcase-of-case",
-       "-fcase-merge",
-       "-fpedantic-bottoms",
-       "-fexcess-precision",
-       "-funfolding-update-in-place",
-       "-freport-compile",
-       "-fno-prune-decls",
-       "-fno-prune-tydecls",
-       "-static",
-       "-funregisterised",
-       "-v" ]
+       "fauto-sccs-on-all-toplevs",
+       "fauto-sccs-on-exported-toplevs",
+       "fauto-sccs-on-individual-cafs",
+       "fauto-sccs-on-dicts",
+       "fscc-profiling",
+       "fticky-ticky",
+       "fall-strict",
+       "fdicts-strict",
+       "firrefutable-tuples",
+       "fnumbers-strict",
+       "fparallel",
+       "fsmp",
+       "fsemi-tagging",
+       "ffoldr-build-on",
+       "flet-no-escape",
+       "funfold-casms-in-hi-file",
+       "fusagesp-on",
+       "funbox-strict-fields",
+       "femit-extern-decls",
+       "fglobalise-toplev-names",
+       "fgransim",
+       "fignore-asserts",
+       "fignore-interface-pragmas",
+       "fno-hi-version-check",
+       "dno-black-holing",
+       "fomit-interface-pragmas",
+       "fno-pre-inlining",
+       "fdo-eta-reduction",
+       "fdo-lambda-eta-expansion",
+       "fcase-of-case",
+       "fcase-merge",
+       "fpedantic-bottoms",
+       "fexcess-precision",
+       "funfolding-update-in-place",
+       "freport-compile",
+       "fno-prune-decls",
+       "fno-prune-tydecls",
+       "static",
+       "funregisterised"
+       ]
   || any (flip prefixMatch f) [
-       "-fcontext-stack",
-       "-fliberate-case-threshold",
-       "-fhi-version=",
-       "-fhistory-size",
-       "-funfolding-interface-threshold",
-       "-funfolding-creation-threshold",
-       "-funfolding-use-threshold",
-       "-funfolding-fun-discount",
-       "-funfolding-keeness-factor"
+       "fcontext-stack",
+       "fliberate-case-threshold",
+       "fhistory-size",
+       "funfolding-interface-threshold",
+       "funfolding-creation-threshold",
+       "funfolding-use-threshold",
+       "funfolding-fun-discount",
+       "funfolding-keeness-factor"
      ]
 \end{code}
 
@@ -598,11 +619,6 @@ isAmongSimpl on_switches           -- Switches mentioned later occur *earlier*
                            || sw `is_elem` ss
 \end{code}
 
-Default settings for simplifier switches
-
-\begin{code}
-defaultSimplSwitches = [MaxSimplifierIterations        1]
-\end{code}
 
 %************************************************************************
 %*                                                                     *