Remove dead code in ghcide and hls-graph for priority (#4151)

Author: soulomoon

Diff for: ghcide/src/Development/IDE/Core/Rules.hs

@@ -11,11 +11,8 @@
 module Development.IDE.Core.Rules(
     -- * Types
     IdeState, GetParsedModule(..), TransitiveDependencies(..),
-    Priority(..), GhcSessionIO(..), GetClientSettings(..),
+    GhcSessionIO(..), GetClientSettings(..),
     -- * Functions
-    priorityTypeCheck,
-    priorityGenerateCore,
-    priorityFilesOfInterest,
     runAction,
     toIdeResult,
     defineNoFile,
@@ -250,15 +247,6 @@ getParsedModuleWithComments = use GetParsedModuleWithComments
 -- Rules
 -- These typically go from key to value and are oracles.
 
-priorityTypeCheck :: Priority
-priorityTypeCheck = Priority 0
-
-priorityGenerateCore :: Priority
-priorityGenerateCore = Priority (-1)
-
-priorityFilesOfInterest :: Priority
-priorityFilesOfInterest = Priority (-2)
-
 -- | WARNING:
 -- We currently parse the module both with and without Opt_Haddock, and
 -- return the one with Haddocks if it -- succeeds. However, this may not work
@@ -682,7 +670,6 @@ typeCheckRuleDefinition
     -> ParsedModule
     -> Action (IdeResult TcModuleResult)
 typeCheckRuleDefinition hsc pm = do
-  setPriority priorityTypeCheck
   IdeOptions { optDefer = defer } <- getIdeOptions
 
   unlift <- askUnliftIO
@@ -936,7 +923,6 @@ generateCore :: RunSimplifier -> NormalizedFilePath -> Action (IdeResult ModGuts
 generateCore runSimplifier file = do
     packageState <- hscEnv <$> use_ GhcSessionDeps file
     tm <- use_ TypeCheck file
-    setPriority priorityGenerateCore
     liftIO $ compileModule runSimplifier packageState (tmrModSummary tm) (tmrTypechecked tm)
 
 generateCoreRule :: Recorder (WithPriority Log) -> Rules ()

Diff for: ghcide/src/Development/IDE/Core/Shake.hs

@@ -51,12 +51,10 @@ module Development.IDE.Core.Shake(
     HLS.getClientConfig,
     getPluginConfigAction,
     knownTargets,
-    setPriority,
     ideLogger,
     actionLogger,
     getVirtualFile,
     FileVersion(..),
-    Priority(..),
     updatePositionMapping,
     updatePositionMappingHelper,
     deleteValue, recordDirtyKeys,
@@ -1307,11 +1305,6 @@ updateFileDiagnostics recorder fp ver k ShakeExtras{diagnostics, hiddenDiagnosti
             | otherwise = c
 
 
-newtype Priority = Priority Double
-
-setPriority :: Priority -> Action ()
-setPriority (Priority p) = reschedule p
-
 ideLogger :: IdeState -> Logger
 ideLogger IdeState{shakeExtras=ShakeExtras{logger}} = logger
 

Diff for: hls-graph/src/Development/IDE/Graph.hs

@@ -15,8 +15,6 @@ module Development.IDE.Graph(
     ShakeValue, RuleResult,
     -- * Special rules
     alwaysRerun,
-    -- * Batching
-    reschedule,
     -- * Actions for inspecting the keys in the database
     getDirtySet,
     getKeysAndVisitedAge,

Diff for: hls-graph/src/Development/IDE/Graph/Internal/Action.hs

@@ -11,7 +11,6 @@ module Development.IDE.Graph.Internal.Action
 , apply
 , applyWithoutDependency
 , parallel
-, reschedule
 , runActions
 , Development.IDE.Graph.Internal.Action.getDirtySet
 , getKeysAndVisitedAge
@@ -41,10 +40,6 @@ alwaysRerun = do
     ref <- Action $ asks actionDeps
     liftIO $ modifyIORef' ref (AlwaysRerunDeps mempty <>)
 
--- No-op for now
-reschedule :: Double -> Action ()
-reschedule _ = pure ()
-
 parallel :: [Action a] -> Action [a]
 parallel [] = pure []
 parallel [x] = fmap (:[]) x