X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FDebugger.hs;h=36c784b2389d17b119ba7d0151d7a610ed9bb97a;hb=907c44ca14e479e5fa64d712703b8fbad19d1e04;hp=602a1a578123ea54c1812537eb06451f9e8524d6;hpb=61e253e98937a2b83454f4d5ab3c94ef8c2dc81e;p=ghc-hetmet.git diff --git a/compiler/ghci/Debugger.hs b/compiler/ghci/Debugger.hs index 602a1a5..36c784b 100644 --- a/compiler/ghci/Debugger.hs +++ b/compiler/ghci/Debugger.hs @@ -21,18 +21,13 @@ import IdInfo import Name import Var hiding ( varName ) import VarSet -import VarEnv import Name import UniqSupply -import Type import TcType -import TcGadt import GHC -import GhciMonad import InteractiveEval import Outputable import Pretty ( Mode(..), showDocWith ) -import FastString import SrcLoc import Control.Exception @@ -44,7 +39,6 @@ import Data.IORef import System.IO import GHC.Exts -#include "HsVersions.h" ------------------------------------- -- | The :print & friends commands ------------------------------------- @@ -109,7 +103,7 @@ bindSuspensions cms@(Session ref) t = do 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 @@ -135,21 +129,20 @@ bindSuspensions cms@(Session ref) t = do 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} = do - let hasType = isEmptyVarSet (tyVarsOfType ty) -- redundant - isEvaled = isFullyEvaluatedTerm t - if not isEvaled -- || not hasType + cPprShowable prec ty _ val tt = + if not (all isFullyEvaluatedTerm tt) then return Nothing else do hsc_env <- readIORef ref @@ -172,14 +165,14 @@ showTerm cms@(Session ref) = cPprTerm cPpr `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 @@ -187,8 +180,8 @@ showTerm cms@(Session ref) = cPprTerm cPpr 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