HscLang(..),
DynFlag(..), -- needed non-abstractly by DriverFlags
DynFlags(..),
+ PackageFlag(..),
v_Static_hsc_opts,
dopt_HscLang, -- DynFlags -> HscLang
dopt_OutName, -- DynFlags -> String
getOpts, -- (DynFlags -> [a]) -> IO [a]
- setLang,
getVerbFlag,
- setOptLevel,
-
- -- Manipulating the DynFlags state
- getDynFlags, -- IO DynFlags
- setDynFlags, -- DynFlags -> IO ()
- updDynFlags, -- (DynFlags -> DynFlags) -> IO ()
- dynFlag, -- (DynFlags -> a) -> IO a
- setDynFlag, unSetDynFlag, -- DynFlag -> IO ()
- saveDynFlags, -- IO ()
- restoreDynFlags, -- IO DynFlags
+ updOptLevel,
-- sets of warning opts
minusWOpts,
-- misc opts
opt_ErrorSpans,
- opt_InPackage,
opt_EmitCExternDecls,
opt_EnsureSplittableC,
opt_GranMacros,
#include "HsVersions.h"
+import {-# SOURCE #-} Packages (PackageState)
import Constants -- Default values for some flags
import Util
import FastString ( FastString, mkFastString )
import Panic ( ghcError, GhcException(UsageError) )
import GLAEXTS
-import DATA_IOREF ( IORef, readIORef, writeIORef )
+import DATA_IOREF ( IORef, readIORef )
import UNSAFE_IO ( unsafePerformIO )
\end{code}
ppFlag :: Bool, -- preprocess with a Haskell Pp?
stolen_x86_regs :: Int,
cmdlineHcIncludes :: [String], -- -#includes
+ importPaths :: [FilePath],
-- options for particular phases
opt_L :: [String],
opt_i :: [String],
#endif
+ -- ** Package flags
+ extraPkgConfs :: [FilePath],
+ -- The -package-conf flags given on the command line, in the order
+ -- they appeared.
+
+ readUserPkgConf :: Bool,
+ -- Whether or not to read the user package database
+ -- (-no-user-package-conf).
+
+ packageFlags :: [PackageFlag],
+ -- The -package and -hide-package flags from the command-line
+
+ -- ** Package state
+ pkgState :: PackageState,
+
-- hsc dynamic flags
flags :: [DynFlag]
}
+data PackageFlag
+ = ExposePackage String
+ | HidePackage String
+ | IgnorePackage String
+
data HscLang
= HscC
| HscAsm
ppFlag = False,
stolen_x86_regs = 4,
cmdlineHcIncludes = [],
+ importPaths = ["."],
opt_L = [],
opt_P = [],
opt_F = [],
opt_I = [],
opt_i = [],
#endif
+
+ extraPkgConfs = [],
+ readUserPkgConf = True,
+ packageFlags = [],
+ pkgState = error "pkgState",
+
flags = [
Opt_Generics,
-- Generating the helper-functions for
dopt_unset :: DynFlags -> DynFlag -> DynFlags
dopt_unset dfs f = dfs{ flags = filter (/= f) (flags dfs) }
-getOpts :: (DynFlags -> [a]) -> IO [a]
+getOpts :: DynFlags -> (DynFlags -> [a]) -> [a]
-- We add to the options from the front, so we need to reverse the list
-getOpts opts = dynFlag opts >>= return . reverse
-
--- we can only switch between HscC, HscAsmm, and HscILX with dynamic flags
--- (-fvia-C, -fasm, -filx respectively).
-setLang l = updDynFlags (\ dfs -> case hscLang dfs of
- HscC -> dfs{ hscLang = l }
- HscAsm -> dfs{ hscLang = l }
- HscILX -> dfs{ hscLang = l }
- _ -> dfs)
+getOpts dflags opts = reverse (opts dflags)
-getVerbFlag = do
- verb <- dynFlag verbosity
- if verb >= 3 then return "-v" else return ""
+getVerbFlag dflags
+ | verbosity dflags >= 3 = "-v"
+ | otherwise = ""
-----------------------------------------------------------------------------
-- Setting the optimisation level
-setOptLevel :: Int -> IO ()
-setOptLevel n
- = do dflags <- getDynFlags
- if hscLang dflags == HscInterpreted && n > 0
- then putStr "warning: -O conflicts with --interactive; -O ignored.\n"
- else updDynFlags (setOptLevel' n)
-
-setOptLevel' n dfs
+updOptLevel n dfs
= if (n >= 1)
then dfs2{ hscLang = HscC, optLevel = n } -- turn on -fvia-C with -O
else dfs2{ optLevel = n }
MaxSimplifierIterations max_iter
]
]
-
--- --------------------------------------------------------------------------
--- Mess about with the mutable variables holding the dynamic arguments
-
--- v_InitDynFlags
--- is the "baseline" dynamic flags, initialised from
--- the defaults and command line options, and updated by the
--- ':s' command in GHCi.
---
--- v_DynFlags
--- is the dynamic flags for the current compilation. It is reset
--- to the value of v_InitDynFlags before each compilation, then
--- updated by reading any OPTIONS pragma in the current module.
-
-GLOBAL_VAR(v_InitDynFlags, defaultDynFlags, DynFlags)
-GLOBAL_VAR(v_DynFlags, defaultDynFlags, DynFlags)
-
-setDynFlags :: DynFlags -> IO ()
-setDynFlags dfs = writeIORef v_DynFlags dfs
-
-saveDynFlags :: IO ()
-saveDynFlags = do dfs <- readIORef v_DynFlags
- writeIORef v_InitDynFlags dfs
-
-restoreDynFlags :: IO DynFlags
-restoreDynFlags = do dfs <- readIORef v_InitDynFlags
- writeIORef v_DynFlags dfs
- return dfs
-
-getDynFlags :: IO DynFlags
-getDynFlags = readIORef v_DynFlags
-
-updDynFlags :: (DynFlags -> DynFlags) -> IO ()
-updDynFlags f = do dfs <- readIORef v_DynFlags
- writeIORef v_DynFlags (f dfs)
-
-dynFlag :: (DynFlags -> a) -> IO a
-dynFlag f = do dflags <- readIORef v_DynFlags; return (f dflags)
-
-setDynFlag, unSetDynFlag :: DynFlag -> IO ()
-setDynFlag f = updDynFlags (\dfs -> dopt_set dfs f)
-unSetDynFlag f = updDynFlags (\dfs -> dopt_unset dfs f)
\end{code}
-
%************************************************************************
%* *
\subsection{Warnings}
GLOBAL_VAR(v_Static_hsc_opts, [], [String])
lookUp :: FastString -> Bool
-lookup_int :: String -> Maybe Int
lookup_def_int :: String -> Int -> Int
lookup_def_float :: String -> Float -> Float
lookup_str :: String -> Maybe String
Just str -> Just str
Nothing -> Nothing
-lookup_int sw = case (lookup_str sw) of
- Nothing -> Nothing
- Just xx -> Just (try_read sw xx)
-
lookup_def_int sw def = case (lookup_str sw) of
Nothing -> def -- Use default
Just xx -> try_read sw xx
opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int)
opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int)
-{-
- The optional '-inpackage=P' flag tells what package
- we are compiling this module for.
- The Prelude, for example is compiled with '-inpackage std'
--}
-opt_InPackage = case lookup_str "-inpackage=" of
- Just p -> mkFastString p
- Nothing -> FSLIT("Main") -- The package name if none is specified
-
opt_EmitCExternDecls = lookUp FSLIT("-femit-extern-decls")
opt_EnsureSplittableC = lookUp FSLIT("-fglobalise-toplev-names")
opt_GranMacros = lookUp FSLIT("-fgransim")
projects / ghc-hetmet.git / blobdiff