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authorPhil Ruffwind <rf@rufflewind.com>2016-11-29 13:31:01 -0500
committerBen Gamari <ben@smart-cactus.org>2016-11-29 14:39:55 -0500
commitf1fc8cbf511c88cb88bf9f46724ee2711f54891a (patch)
tree9f12ae546af62f79b59a85dd172b911dd12e20ee /compiler/main/DynFlags.hs-boot
parent30cecaec4701b32ab9fd6399193c5d2740b63b11 (diff)
downloadhaskell-f1fc8cbf511c88cb88bf9f46724ee2711f54891a.tar.gz
Make diagnostics slightly more colorful
This is a preliminary commit to add colors to diagnostics (warning and error messages). The aesthetic changes are: - 'warning', 'error', and 'fatal' are all colored magenta, red, and red respectively. - The warning annotation [-Wsomething] shares the same color. - Warnings and errors are also bolded (this is consistent with what other compilers do). A new flag has been added to control the behavior: -fdiagnostics-color=(always|auto|never) This flag is 'auto' by default. However, auto-detection is not implemented yet, so it effectively it defaults to off. Test Plan: validate Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2716 GHC Trac Issues: #8809
Diffstat (limited to 'compiler/main/DynFlags.hs-boot')
-rw-r--r--compiler/main/DynFlags.hs-boot6
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/main/DynFlags.hs-boot b/compiler/main/DynFlags.hs-boot
index 5cf21669bd..7d1adc0ab9 100644
--- a/compiler/main/DynFlags.hs-boot
+++ b/compiler/main/DynFlags.hs-boot
@@ -4,10 +4,14 @@ module DynFlags where
import Platform
data DynFlags
+data OverridingBool
targetPlatform :: DynFlags -> Platform
pprUserLength :: DynFlags -> Int
pprCols :: DynFlags -> Int
unsafeGlobalDynFlags :: DynFlags
-useUnicode :: DynFlags -> Bool
+useUnicode :: DynFlags -> Bool
useUnicodeSyntax :: DynFlags -> Bool
+useColor :: DynFlags -> OverridingBool
+canUseColor :: DynFlags -> Bool
+overrideWith :: Bool -> OverridingBool -> Bool