Extend the GHC API with breakpoints and breakpoint handlers

[ghc-hetmet.git] / compiler / main / DynFlags.hs

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 20376f0..1799033 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -84,6 +84,9 @@ import Util           ( split )
 import Data.Char       ( isDigit, isUpper )
 import System.IO        ( hPutStrLn, stderr )
 
+import Breakpoints      ( BkptHandler )
+import Module           ( ModuleName )
+
 -- -----------------------------------------------------------------------------
 -- DynFlags
 
@@ -121,6 +124,7 @@ data DynFlag
    | Opt_D_dump_splices
    | Opt_D_dump_BCOs
    | Opt_D_dump_vect
+   | Opt_D_dump_hpc
    | Opt_D_source_stats
    | Opt_D_verbose_core2core
    | Opt_D_verbose_stg2stg
@@ -255,6 +259,8 @@ data DynFlags = DynFlags {
   ghcUsagePath          :: FilePath,    -- Filled in by SysTools
   ghciUsagePath         :: FilePath,    -- ditto
 
+  hpcDir               :: String,      -- ^ path to store the .mix files
+
   -- options for particular phases
   opt_L                        :: [String],
   opt_P                        :: [String],
@@ -300,6 +306,9 @@ data DynFlags = DynFlags {
   
   -- message output
   log_action            :: Severity -> SrcSpan -> PprStyle -> Message -> IO ()
+
+  -- breakpoint handling
+ ,bkptHandler           :: Maybe (BkptHandler Module)
  }
 
 data HscTarget
@@ -392,6 +401,8 @@ defaultDynFlags =
        cmdlineFrameworks       = [],
        tmpDir                  = cDEFAULT_TMPDIR,
        
+        hpcDir                 = ".hpc",
+
        opt_L                   = [],
        opt_P                   = [],
        opt_F                   = [],
@@ -406,7 +417,8 @@ defaultDynFlags =
        packageFlags            = [],
         pkgDatabase             = Nothing,
         pkgState                = panic "no package state yet: call GHC.setSessionDynFlags",
-       
+
+        bkptHandler             = Nothing,
        flags = [ 
            Opt_ReadUserPackageConf,
     
@@ -533,9 +545,7 @@ data Option
 updOptLevel :: Int -> DynFlags -> DynFlags
 -- Set dynflags appropriate to the optimisation level
 updOptLevel n dfs
-  = if (n >= 1)
-     then dfs2{ hscTarget = HscC, optLevel = n } -- turn on -fvia-C with -O
-     else dfs2{ optLevel = n }
+  = dfs2{ optLevel = n }
   where
    dfs1 = foldr (flip dopt_unset) dfs  remove_dopts
    dfs2 = foldr (flip dopt_set)   dfs1 extra_dopts
@@ -875,6 +885,7 @@ dynamic_flags = [
   ,  ( "no-hs-main"     , NoArg (setDynFlag Opt_NoHsMain))
   ,  ( "main-is"       , SepArg setMainIs )
   ,  ( "haddock"       , NoArg (setDynFlag Opt_Haddock) )
+  ,  ( "hpcdir"                , SepArg setOptHpcDir )
 
        ------- recompilation checker (DEPRECATED, use -fforce-recomp) -----
   ,  ( "recomp"                , NoArg (unSetDynFlag Opt_ForceRecomp) )
@@ -938,6 +949,8 @@ dynamic_flags = [
   ,  ( "ddump-hi",               setDumpFlag Opt_D_dump_hi)
   ,  ( "ddump-minimal-imports",  NoArg (setDynFlag Opt_D_dump_minimal_imports))
   ,  ( "ddump-vect",            setDumpFlag Opt_D_dump_vect)
+  ,  ( "ddump-hpc",             setDumpFlag Opt_D_dump_hpc)
+  
   ,  ( "dcore-lint",            NoArg (setDynFlag Opt_DoCoreLinting))
   ,  ( "dstg-lint",             NoArg (setDynFlag Opt_DoStgLinting))
   ,  ( "dcmm-lint",             NoArg (setDynFlag Opt_DoCmmLinting))
@@ -1244,6 +1257,12 @@ setTmpDir dir dflags = dflags{ tmpDir = canonicalise dir }
 #endif
 
 -----------------------------------------------------------------------------
+-- Hpc stuff
+
+setOptHpcDir :: String -> DynP ()
+setOptHpcDir arg  = upd $ \ d -> d{hpcDir = arg}
+
+-----------------------------------------------------------------------------
 -- Via-C compilation stuff
 
 machdepCCOpts :: DynFlags -> ([String], -- flags for all C compilations
@@ -1333,9 +1352,6 @@ machdepCCOpts dflags
                        -- version.
                ] )
 
-#elif mips_TARGET_ARCH
-       = ( ["-static"], [] )
-
 #elif sparc_TARGET_ARCH
        = ( [], ["-w"] )
        -- For now, to suppress the gcc warning "call-clobbered