66 lines
2.1 KiB
Haskell
66 lines
2.1 KiB
Haskell
-- ghc-mod: Making Haskell development *more* fun
|
|
-- 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/>.
|
|
|
|
module Language.Haskell.GhcMod.Logging (
|
|
module Language.Haskell.GhcMod.Logging
|
|
, module Language.Haskell.GhcMod.Pretty
|
|
, GmLogLevel(..)
|
|
, module Text.PrettyPrint
|
|
, module Data.Monoid
|
|
) where
|
|
|
|
import Control.Monad
|
|
import Data.List
|
|
import Data.Char
|
|
import Data.Monoid (mempty, mappend, mconcat, (<>))
|
|
import System.IO
|
|
import Text.PrettyPrint hiding (style, (<>))
|
|
|
|
import Language.Haskell.GhcMod.Monad.Types
|
|
import Language.Haskell.GhcMod.Pretty
|
|
|
|
gmSetLogLevel :: GmLog m => GmLogLevel -> m ()
|
|
gmSetLogLevel level =
|
|
gmlJournal $ GhcModLog (Just level) []
|
|
|
|
increaseLogLevel :: GmLogLevel -> GmLogLevel
|
|
increaseLogLevel l | l == maxBound = l
|
|
increaseLogLevel l = succ l
|
|
|
|
decreaseLogLevel :: GmLogLevel -> GmLogLevel
|
|
decreaseLogLevel l | l == minBound = l
|
|
decreaseLogLevel l = succ l
|
|
|
|
-- |
|
|
-- >>> Just GmDebug <= Nothing
|
|
-- False
|
|
-- >>> Just GmException <= Just GmDebug
|
|
-- True
|
|
-- >>> Just GmDebug <= Just GmException
|
|
-- False
|
|
gmLog :: (MonadIO m, GmLog m) => GmLogLevel -> String -> Doc -> m ()
|
|
gmLog level loc' doc = do
|
|
GhcModLog { gmLogLevel = level' } <- gmlHistory
|
|
|
|
let loc | loc' == "" = empty
|
|
| otherwise = text (head $ lines loc') <> colon
|
|
msg = gmRenderDoc $ gmLogLevelDoc level <+> loc <+> doc
|
|
msg' = dropWhileEnd isSpace msg
|
|
|
|
when (Just level <= level') $
|
|
liftIO $ hPutStrLn stderr msg'
|
|
gmlJournal (GhcModLog Nothing [(level, render loc, msg)])
|