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authorMichael Walker <mike@barrucadu.co.uk>2016-02-25 17:34:07 +0100
committerBen Gamari <ben@smart-cactus.org>2016-02-25 17:44:33 +0100
commit736c2fe705f083fe42bd5fe9318f0636b6b2fca6 (patch)
treed55e5e571c21850cbabec1c9f8387d56033b0edc /compiler/iface/BinIface.hs
parente38c07bf5ceb8f50fa5110b70b3b83f0ce1358ba (diff)
downloadhaskell-wip/warning-origins.tar.gz
Print which warning-flag controls an emitted warning.wip/warning-origins
Both gcc and clang tell which warning flag a reported warning can be controlled with, this patch makes ghc do the same. More generally, this allows for annotated compiler output, where an optional annotation is displayed in brackets after the severity. Display which group enables a warning. Add flag to show which group a warning belongs to ``-f(no-)show-warning-groups``, used to show/hide the group an emitted warning belongs to. On by default. Fix compilation error in ghc-api test Reviewers: goldfire, hvr, quchen, austin, bgamari Reviewed By: quchen, bgamari Subscribers: goldfire, thomie Differential Revision: https://phabricator.haskell.org/D1943 GHC Trac Issues: #10752
Diffstat (limited to 'compiler/iface/BinIface.hs')
-rw-r--r--compiler/iface/BinIface.hs9
1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/iface/BinIface.hs b/compiler/iface/BinIface.hs
index a7246afc03..0b70e8c725 100644
--- a/compiler/iface/BinIface.hs
+++ b/compiler/iface/BinIface.hs
@@ -80,7 +80,14 @@ readBinIface_ :: DynFlags -> CheckHiWay -> TraceBinIFaceReading -> FilePath
readBinIface_ dflags checkHiWay traceBinIFaceReading hi_path ncu = do
let printer :: SDoc -> IO ()
printer = case traceBinIFaceReading of
- TraceBinIFaceReading -> \sd -> log_action dflags dflags SevOutput noSrcSpan defaultDumpStyle sd
+ TraceBinIFaceReading -> \sd ->
+ log_action dflags
+ dflags
+ NoReason
+ SevOutput
+ noSrcSpan
+ defaultDumpStyle
+ sd
QuietBinIFaceReading -> \_ -> return ()
wantedGot :: Outputable a => String -> a -> a -> IO ()
wantedGot what wanted got =