--
-----------------------------------------------------------------------------
-{-# OPTIONS -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
--- http://hackage.haskell.org/trac/ghc/wiki/CodingStyle#Warnings
--- for details
-
module Debugger (pprintClosureCommand, showTerm) where
import Linker
import System.IO
import GHC.Exts
-#include "HsVersions.h"
-------------------------------------
-- | The :print & friends commands
-------------------------------------
let ictxt = hsc_IC hsc_env
prefix = "_t"
alreadyUsedNames = map (occNameString . nameOccName . getName) inScope
- availNames = map ((prefix++) . show) [1..] \\ alreadyUsedNames
+ availNames = map ((prefix++) . show) [(1::Int)..] \\ alreadyUsedNames
availNames_var <- newIORef availNames
(t', stuff) <- foldTerm (nameSuspensionsAndGetInfos availNames_var) t
let (names, tys, hvals) = unzip3 stuff
return (Term ty dc v terms, concat names)
, fPrim = \ty n ->return (Prim ty n,[])
}
- doSuspension freeNames ct mb_ty hval Nothing = do
+ doSuspension freeNames ct mb_ty hval _name = do
name <- atomicModifyIORef freeNames (\x->(tail x, head x))
- n <- newGrimName cms name
+ n <- newGrimName name
let ty' = fromMaybe (error "unexpected") mb_ty
return (Suspension ct mb_ty hval (Just n), [(n,ty',hval)])
-- A custom Term printer to enable the use of Show instances
+showTerm :: Session -> Term -> IO SDoc
showTerm cms@(Session ref) = cPprTerm cPpr
where
cPpr = \p-> cPprShowable : cPprTermBase p
- cPprShowable prec t@Term{ty=ty, dc=dc, val=val} =
- if not (isFullyEvaluatedTerm t)
+ cPprShowable prec ty _ val tt =
+ if not (all isFullyEvaluatedTerm tt)
then return Nothing
else do
hsc_env <- readIORef ref
`finally` do
writeIORef ref hsc_env
GHC.setSessionDynFlags cms dflags
- needsParens ('"':txt) = False -- some simple heuristics to see whether parens
+ needsParens ('"':_) = False -- some simple heuristics to see whether parens
-- are redundant in an arbitrary Show output
- needsParens ('(':txt) = False
+ needsParens ('(':_) = False
needsParens txt = ' ' `elem` txt
bindToFreshName hsc_env ty userName = do
- name <- newGrimName cms userName
+ name <- newGrimName userName
let ictxt = hsc_IC hsc_env
tmp_ids = ic_tmp_ids ictxt
id = mkGlobalId VanillaGlobal name (sigmaType ty) vanillaIdInfo
return (hsc_env {hsc_IC = new_ic }, name)
-- Create new uniques and give them sequentially numbered names
--- newGrimName :: Session -> String -> IO Name
-newGrimName cms userName = do
+newGrimName :: String -> IO Name
+newGrimName userName = do
us <- mkSplitUniqSupply 'b'
let unique = uniqFromSupply us
occname = mkOccName varName userName