116 lines
3.5 KiB
Haskell
116 lines
3.5 KiB
Haskell
-- ghc-mod: Happy Haskell Hacking
|
|
-- Copyright (C) 2015 Daniel Gröber <dxld ÄT darkboxed DOT org>
|
|
--
|
|
-- This program is free software: you can redistribute it and/or modify
|
|
-- it under the terms of the GNU Affero General Public License as published by
|
|
-- the Free Software Foundation, either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU Affero General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU Affero General Public License
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
|
|
|
module Language.Haskell.GhcMod.Logging (
|
|
module Language.Haskell.GhcMod.Logging
|
|
, module Language.Haskell.GhcMod.Pretty
|
|
, GmLogLevel(..)
|
|
, module Data.Monoid
|
|
, module Pretty
|
|
) where
|
|
|
|
import Control.Applicative hiding (empty)
|
|
import Control.Monad
|
|
import Control.Monad.Trans.Class
|
|
import Data.List
|
|
import Data.Char
|
|
import Data.Monoid
|
|
import Data.Maybe
|
|
import System.IO
|
|
import System.FilePath
|
|
import Prelude
|
|
|
|
import Pretty hiding (style, (<>))
|
|
|
|
import Language.Haskell.GhcMod.Monad.Types
|
|
import Language.Haskell.GhcMod.Types
|
|
import Language.Haskell.GhcMod.Pretty
|
|
import Language.Haskell.GhcMod.Output
|
|
|
|
gmSetLogLevel :: GmLog m => GmLogLevel -> m ()
|
|
gmSetLogLevel level =
|
|
gmlJournal $ GhcModLog (Just level) (Last Nothing) []
|
|
|
|
gmGetLogLevel :: forall m. GmLog m => m GmLogLevel
|
|
gmGetLogLevel = do
|
|
GhcModLog { gmLogLevel = Just level } <- gmlHistory
|
|
return level
|
|
|
|
gmSetDumpLevel :: GmLog m => Bool -> m ()
|
|
gmSetDumpLevel level =
|
|
gmlJournal $ GhcModLog Nothing (Last (Just level)) []
|
|
|
|
|
|
increaseLogLevel :: GmLogLevel -> GmLogLevel
|
|
increaseLogLevel l | l == maxBound = l
|
|
increaseLogLevel l = succ l
|
|
|
|
decreaseLogLevel :: GmLogLevel -> GmLogLevel
|
|
decreaseLogLevel l | l == minBound = l
|
|
decreaseLogLevel l = pred l
|
|
|
|
-- |
|
|
-- >>> Just GmDebug <= Nothing
|
|
-- False
|
|
-- >>> Just GmException <= Just GmDebug
|
|
-- True
|
|
-- >>> Just GmDebug <= Just GmException
|
|
-- False
|
|
gmLog :: (MonadIO m, GmLog m, GmOut m) => GmLogLevel -> String -> Doc -> m ()
|
|
gmLog level loc' doc = do
|
|
GhcModLog { gmLogLevel = Just level' } <- gmlHistory
|
|
|
|
let loc | loc' == "" = empty
|
|
| otherwise = text loc' <+>: empty
|
|
msgDoc = sep [loc, doc]
|
|
msg = dropWhileEnd isSpace $ render $ gmLogLevelDoc level <+>: msgDoc
|
|
|
|
when (level <= level') $ gmErrStrLn msg
|
|
gmLogQuiet level loc' doc
|
|
|
|
gmLogQuiet :: GmLog m => GmLogLevel -> String -> Doc -> m ()
|
|
gmLogQuiet level loc doc =
|
|
gmlJournal (GhcModLog Nothing (Last Nothing) [(level, loc, doc)])
|
|
|
|
gmAppendLogQuiet :: GmLog m => GhcModLog -> m ()
|
|
gmAppendLogQuiet GhcModLog { gmLogMessages } =
|
|
forM_ gmLogMessages $ \(level, loc, doc) -> gmLogQuiet level loc doc
|
|
|
|
gmVomit :: (MonadIO m, GmLog m, GmOut m, GmEnv m) => String -> Doc -> String -> m ()
|
|
gmVomit filename doc content = do
|
|
gmLog GmVomit "" $ doc <+>: text content
|
|
|
|
GhcModLog { gmLogVomitDump = Last mdump }
|
|
<- gmlHistory
|
|
|
|
dir <- cradleTempDir `liftM` cradle
|
|
when (fromMaybe False mdump) $
|
|
liftIO $ writeFile (dir </> filename) content
|
|
|
|
|
|
newtype LogDiscardT m a = LogDiscardT { runLogDiscard :: m a }
|
|
deriving (Functor, Applicative, Monad)
|
|
|
|
instance MonadTrans LogDiscardT where
|
|
lift = LogDiscardT
|
|
|
|
instance Monad m => GmLog (LogDiscardT m) where
|
|
gmlJournal = const $ return ()
|
|
gmlHistory = return mempty
|
|
gmlClear = return ()
|