[Haskell-cafe] Not working examples in GHC API documentation

2013-07-18 Thread John Blackbox 
Hi!
Please take a look here: http://www.haskell.org/haskellwiki/GHC/As_a_library
The examples are not working. Even the simpelst one:

import GHC

import GHC.Paths ( libdir )

import DynFlags ( defaultLogAction )



main =

defaultErrorHandler defaultLogAction $ do

  runGhc (Just libdir) $ do

dflags - getSessionDynFlags

setSessionDynFlags dflags

target - guessTarget test_main.hs Nothing

setTargets [target]

load LoadAllTargets


throws:


$ ghc -package ghc Main.hs

[1 of 1] Compiling Main ( Main.hs, Main.o )

Main.hs:6:25:

Couldn't match type `DynFlags' with `[Char]'

Expected type: DynFlags.FatalMessager

  Actual type: DynFlags.LogAction

In the first argument of `defaultErrorHandler', namely

  `defaultLogAction'

In the expression: defaultErrorHandler defaultLogAction

In the expression:

  defaultErrorHandler defaultLogAction

  $ do { runGhc (Just libdir)

 $ do { dflags - getSessionDynFlags;

setSessionDynFlags dflags;

 } }

Main.hs:7:7:

Couldn't match expected type `DynFlags.FlushOut'

with actual type `IO SuccessFlag'

In a stmt of a 'do' block:

  runGhc (Just libdir)

  $ do { dflags - getSessionDynFlags;

 setSessionDynFlags dflags;

 target - guessTarget test_main.hs Nothing;

 setTargets [target];

  }

In the second argument of `($)', namely

  `do { runGhc (Just libdir)

$ do { dflags - getSessionDynFlags;

   setSessionDynFlags dflags;

    } }'

In the expression:

  defaultErrorHandler defaultLogAction

  $ do { runGhc (Just libdir)

 $ do { dflags - getSessionDynFlags;

setSessionDynFlags dflags;

 } }
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Re: [Haskell-cafe] Not working examples in GHC API documentation

2013-07-18 Thread Johan Tibell 
I filed a bug a while back:

http://ghc.haskell.org/trac/ghc/ticket/7752

Someone that understands the API needs to fix the doc. :)

On Thu, Jul 18, 2013 at 7:58 PM, John Blackbox
blackbox.dev...@gmail.com wrote:
 Hi!
 Please take a look here: http://www.haskell.org/haskellwiki/GHC/As_a_library
 The examples are not working. Even the simpelst one:

 import GHC

 import GHC.Paths ( libdir )

 import DynFlags ( defaultLogAction )



 main =

 defaultErrorHandler defaultLogAction $ do

   runGhc (Just libdir) $ do

 dflags - getSessionDynFlags

 setSessionDynFlags dflags

 target - guessTarget test_main.hs Nothing

 setTargets [target]

 load LoadAllTargets



 throws:


 $ ghc -package ghc Main.hs

 [1 of 1] Compiling Main ( Main.hs, Main.o )

 Main.hs:6:25:

 Couldn't match type `DynFlags' with `[Char]'

 Expected type: DynFlags.FatalMessager

   Actual type: DynFlags.LogAction

 In the first argument of `defaultErrorHandler', namely

   `defaultLogAction'

 In the expression: defaultErrorHandler defaultLogAction

 In the expression:

   defaultErrorHandler defaultLogAction

   $ do { runGhc (Just libdir)

  $ do { dflags - getSessionDynFlags;

 setSessionDynFlags dflags;

  } }

 Main.hs:7:7:

 Couldn't match expected type `DynFlags.FlushOut'

 with actual type `IO SuccessFlag'

 In a stmt of a 'do' block:

   runGhc (Just libdir)

   $ do { dflags - getSessionDynFlags;

  setSessionDynFlags dflags;

  target - guessTarget test_main.hs Nothing;

  setTargets [target];

   }

 In the second argument of `($)', namely

   `do { runGhc (Just libdir)

 $ do { dflags - getSessionDynFlags;

setSessionDynFlags dflags;

 } }'

 In the expression:

   defaultErrorHandler defaultLogAction

   $ do { runGhc (Just libdir)

  $ do { dflags - getSessionDynFlags;

 setSessionDynFlags dflags;

  } }



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Re: [Haskell-cafe] Not working examples in GHC API documentation

2013-07-18 Thread John Blackbox 
Great, but how can we learn the API, when examples are not working? -.-


2013/7/18 Johan Tibell johan.tib...@gmail.com

 I filed a bug a while back:

 http://ghc.haskell.org/trac/ghc/ticket/7752

 Someone that understands the API needs to fix the doc. :)

 On Thu, Jul 18, 2013 at 7:58 PM, John Blackbox
 blackbox.dev...@gmail.com wrote:
  Hi!
  Please take a look here:
 http://www.haskell.org/haskellwiki/GHC/As_a_library
  The examples are not working. Even the simpelst one:
 
  import GHC
 
  import GHC.Paths ( libdir )
 
  import DynFlags ( defaultLogAction )
 
 
 
  main =
 
  defaultErrorHandler defaultLogAction $ do
 
runGhc (Just libdir) $ do
 
  dflags - getSessionDynFlags
 
  setSessionDynFlags dflags
 
  target - guessTarget test_main.hs Nothing
 
  setTargets [target]
 
  load LoadAllTargets
 
 
 
  throws:
 
 
  $ ghc -package ghc Main.hs
 
  [1 of 1] Compiling Main ( Main.hs, Main.o )
 
  Main.hs:6:25:
 
  Couldn't match type `DynFlags' with `[Char]'
 
  Expected type: DynFlags.FatalMessager
 
Actual type: DynFlags.LogAction
 
  In the first argument of `defaultErrorHandler', namely
 
`defaultLogAction'
 
  In the expression: defaultErrorHandler defaultLogAction
 
  In the expression:
 
defaultErrorHandler defaultLogAction
 
$ do { runGhc (Just libdir)
 
   $ do { dflags - getSessionDynFlags;
 
  setSessionDynFlags dflags;
 
   } }
 
  Main.hs:7:7:
 
  Couldn't match expected type `DynFlags.FlushOut'
 
  with actual type `IO SuccessFlag'
 
  In a stmt of a 'do' block:
 
runGhc (Just libdir)
 
$ do { dflags - getSessionDynFlags;
 
   setSessionDynFlags dflags;
 
   target - guessTarget test_main.hs Nothing;
 
   setTargets [target];
 
    }
 
  In the second argument of `($)', namely
 
`do { runGhc (Just libdir)
 
  $ do { dflags - getSessionDynFlags;
 
 setSessionDynFlags dflags;
 
  } }'
 
  In the expression:
 
defaultErrorHandler defaultLogAction
 
$ do { runGhc (Just libdir)
 
   $ do { dflags - getSessionDynFlags;
 
  setSessionDynFlags dflags;
 
   } }
 
 
 
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