Major refactoring

1 files changed, 79 insertions, 0 deletions

diff --git a/src/Haddock/GHC/Utils.hs b/src/Haddock/GHC/Utils.hs
new file mode 100644
index 00000000..8e70057f
--- /dev/null
+++ b/src/Haddock/GHC/Utils.hs
@@ -0,0 +1,79 @@
+--
+-- Haddock - A Haskell Documentation Tool
+--
+-- (c) Simon Marlow 2003
+--
+
+
+module Haddock.GHC.Utils where
+
+
+import Debug.Trace
+import Data.Char
+
+import GHC
+import HsSyn
+import SrcLoc
+import HscTypes
+import Outputable
+import Packages
+import UniqFM
+import Name
+
+
+-- names
+
+nameOccString = occNameString . nameOccName 
+
+
+nameSetMod n newMod = 
+  mkExternalName (nameUnique n) newMod (nameOccName n) (nameSrcSpan n)
+
+
+nameSetPkg pkgId n = 
+  mkExternalName (nameUnique n) (mkModule pkgId (moduleName mod)) 
+	               (nameOccName n) (nameSrcSpan n)
+  where mod = nameModule n
+
+
+-- modules
+
+
+moduleString :: Module -> String
+moduleString = moduleNameString . moduleName 
+
+
+mkModuleNoPkg :: String -> Module
+mkModuleNoPkg str = mkModule (stringToPackageId "") (mkModuleName str)
+
+
+modulePkgStr = packageIdString . modulePackageId
+
+
+-- misc
+
+
+-- there should be a better way to check this using the GHC API
+isConSym n = head (nameOccString n) == ':'
+isVarSym n = fstChar /= '_' && not (isConSym n) && (not . isLetter) fstChar
+  where fstChar = head (nameOccString n)
+
+
+getMainDeclBinder :: HsDecl name -> Maybe name
+getMainDeclBinder (TyClD d) = Just (tcdName d)
+getMainDeclBinder (ValD d)
+   = case collectAcc d [] of
+        []       -> Nothing 
+        (name:_) -> Just (unLoc name)
+getMainDeclBinder (SigD d) = sigNameNoLoc d
+getMainDeclBinder (ForD (ForeignImport name _ _)) = Just (unLoc name)
+getMainDeclBinder (ForD (ForeignExport name _ _)) = Nothing
+getMainDeclBinder _ = Nothing
+
+
+-- To keep if if minf_iface is re-introduced
+--modInfoName = moduleName . mi_module . minf_iface
+--modInfoMod  = mi_module . minf_iface 
+
+
+trace_ppr x y = trace (showSDoc (ppr x)) y