82bb0090c0
This turned out to be quite involved but save for this huge commit it's actually quite awesome and squashes quite a few bugs and nasty problems (hopefully). Most importantly we now have native cabal component support without the user having to do anything to get it! To do this we traverse imports starting from each component's entrypoints (library modules or Main source file for executables) and use this information to find which component's options each module will build with. Under the assumption that these modules have to build with every component they're used in we can now just pick one. Quite a few internal assumptions have been invalidated by this change. Most importantly the runGhcModT* family of cuntions now change the current working directory to `cradleRootDir`.
59 lines
2.0 KiB
Haskell
59 lines
2.0 KiB
Haskell
-- ghc-mod: Making Haskell development *more* fun
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-- Copyright (C) 2015 Daniel Gröber <dxld ÄT darkboxed DOT org>
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU Affero General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU Affero General Public License for more details.
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--
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-- You should have received a copy of the GNU Affero General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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module Language.Haskell.GhcMod.Logging (
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module Language.Haskell.GhcMod.Logging
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, module Language.Haskell.GhcMod.Pretty
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, GmLogLevel(..)
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, module Text.PrettyPrint
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, module Data.Monoid
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) where
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import Control.Monad
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import Data.Monoid (mempty, mappend, mconcat, (<>))
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import System.IO
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import Text.PrettyPrint hiding (style, (<>))
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import Language.Haskell.GhcMod.Monad.Types
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import Language.Haskell.GhcMod.Pretty
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gmSetLogLevel :: GmLog m => GmLogLevel -> m ()
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gmSetLogLevel level =
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gmlJournal $ GhcModLog (Just level) []
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increaseLogLevel :: GmLogLevel -> GmLogLevel
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increaseLogLevel l | l == maxBound = l
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increaseLogLevel l = succ l
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-- |
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-- >>> Just GmDebug <= Nothing
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-- False
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-- >>> Just GmException <= Just GmDebug
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-- True
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-- >>> Just GmDebug <= Just GmException
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-- False
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gmLog :: (MonadIO m, GmLog m) => GmLogLevel -> String -> Doc -> m ()
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gmLog level loc' doc = do
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GhcModLog { gmLogLevel = level' } <- gmlHistory
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let loc | loc' == "" = empty
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| otherwise = text (head $ lines loc') <> colon
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msg = gmRenderDoc $ gmLogLevelDoc level <+> loc <+> doc
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when (Just level <= level') $
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liftIO $ hPutStrLn stderr msg
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gmlJournal (GhcModLog Nothing [(level, render loc, msg)])
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