139 lines
5.5 KiB
Haskell
139 lines
5.5 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/>.
|
|
{-# LANGUAGE CPP, RankNTypes #-}
|
|
module Language.Haskell.GhcMod.DebugLogger where
|
|
|
|
-- (c) The University of Glasgow 2005
|
|
--
|
|
-- The Glasgow Haskell Compiler License
|
|
--
|
|
-- Copyright 2002, The University Court of the University of Glasgow.
|
|
-- All rights reserved.
|
|
--
|
|
-- Redistribution and use in source and binary forms, with or without
|
|
-- modification, are permitted provided that the following conditions are met:
|
|
--
|
|
-- - Redistributions of source code must retain the above copyright notice,
|
|
-- this list of conditions and the following disclaimer.
|
|
--
|
|
-- - Redistributions in binary form must reproduce the above copyright notice,
|
|
-- this list of conditions and the following disclaimer in the documentation
|
|
-- and/or other materials provided with the distribution.
|
|
--
|
|
-- - Neither name of the University nor the names of its contributors may be
|
|
-- used to endorse or promote products derived from this software without
|
|
-- specific prior written permission.
|
|
--
|
|
-- THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY COURT OF THE UNIVERSITY OF
|
|
-- GLASGOW AND THE CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
-- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
-- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
-- UNIVERSITY COURT OF THE UNIVERSITY OF GLASGOW OR THE CONTRIBUTORS BE LIABLE
|
|
-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
-- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
-- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
-- DAMAGE.
|
|
|
|
import GHC
|
|
import FastString
|
|
import Pretty
|
|
import Outputable (SDoc, PprStyle, runSDoc, initSDocContext, blankLine)
|
|
import qualified Outputable
|
|
import ErrUtils
|
|
|
|
import Language.Haskell.GhcMod.Error
|
|
import Language.Haskell.GhcMod.Gap
|
|
import Prelude
|
|
|
|
debugLogAction :: (String -> IO ()) -> GmLogAction
|
|
debugLogAction putErr _reason dflags severity srcSpan style' msg
|
|
= case severity of
|
|
SevOutput -> printSDoc putErr msg style'
|
|
|
|
#if __GLASGOW_HASKELL__ >= 706
|
|
SevDump -> printSDoc putErr (msg Outputable.$$ blankLine) style'
|
|
#endif
|
|
|
|
#if __GLASGOW_HASKELL__ >= 708
|
|
SevInteractive -> let
|
|
putStrSDoc = debugLogActionHPutStrDoc dflags putErr
|
|
in
|
|
putStrSDoc msg style'
|
|
#endif
|
|
SevInfo -> printErrs putErr msg style'
|
|
SevFatal -> printErrs putErr msg style'
|
|
_ -> do putErr "\n"
|
|
#if __GLASGOW_HASKELL__ >= 706
|
|
printErrs putErr (mkLocMessage severity srcSpan msg) style'
|
|
#else
|
|
printErrs putErr (mkLocMessage srcSpan msg) style'
|
|
#endif
|
|
-- careful (#2302): printErrs prints in UTF-8,
|
|
-- whereas converting to string first and using
|
|
-- hPutStr would just emit the low 8 bits of
|
|
-- each unicode char.
|
|
where
|
|
#if __GLASGOW_HASKELL__ >= 706
|
|
printSDoc put = debugLogActionHPrintDoc dflags put
|
|
printErrs put = debugLogActionHPrintDoc dflags put
|
|
#endif
|
|
|
|
|
|
#if __GLASGOW_HASKELL__ >= 706
|
|
|
|
debugLogActionHPrintDoc :: DynFlags -> (String -> IO ()) -> SDoc -> PprStyle -> IO ()
|
|
debugLogActionHPrintDoc dflags put d sty
|
|
= debugLogActionHPutStrDoc dflags put (d Outputable.$$ Outputable.text "") sty
|
|
-- Adds a newline
|
|
|
|
debugLogActionHPutStrDoc :: DynFlags -> (String -> IO ()) -> SDoc -> PprStyle -> IO ()
|
|
debugLogActionHPutStrDoc dflags put d sty
|
|
= gmPrintDoc_ Pretty.PageMode (pprCols dflags) put doc
|
|
where -- Don't add a newline at the end, so that successive
|
|
-- calls to this log-action can output all on the same line
|
|
doc = runSDoc d (initSDocContext dflags sty)
|
|
|
|
#else
|
|
|
|
printSDoc = printErrs
|
|
|
|
printErrs :: (String -> IO ()) -> SDoc -> PprStyle -> IO ()
|
|
printErrs put doc sty = do
|
|
gmPrintDoc PageMode 100 put (runSDoc doc (initSDocContext sty))
|
|
|
|
#endif
|
|
|
|
gmPrintDoc :: Mode -> Int -> (String -> IO ()) -> Doc -> IO ()
|
|
-- printDoc adds a newline to the end
|
|
gmPrintDoc mode cols put doc = gmPrintDoc_ mode cols put (doc $$ text "")
|
|
|
|
gmPrintDoc_ :: Mode -> Int -> (String -> IO ()) -> Doc -> IO ()
|
|
gmPrintDoc_ mode pprCols putS doc
|
|
= fullRender mode pprCols 1.5 put done doc
|
|
where
|
|
put (Chr c) next = putS [c] >> next
|
|
put (Str s) next = putS s >> next
|
|
put (PStr s) next = putS (unpackFS s) >> next
|
|
#if __GLASGOW_HASKELL__ >= 708
|
|
put (ZStr s) next = putS (zString s) >> next
|
|
#endif
|
|
put (LStr s _l) next = putS (unpackLitString s) >> next
|
|
|
|
done = return () -- hPutChar hdl '\n'
|