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feat: trim log messages+ simplify MonadLog

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tydeu 2022-06-09 20:53:19 -04:00
parent 049259b47f
commit 1f017deaa0
1 changed files with 27 additions and 17 deletions
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44
Lake/Util/Log.lean
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@ -7,36 +7,48 @@ import Lake.Util.Error
namespace Lake
inductive LogLevel
| info
| warning
| error
-- # Class
class MonadLog (m : Type u → Type v) where
logInfo : String → m PUnit
logWarning : String → m PUnit
logError : String → m PUnit
log (message : String) (level : LogLevel) : m PUnit
export MonadLog (logInfo logWarning logError)
export MonadLog (log)
abbrev logInfo [MonadLog m] (message : String) : m PUnit :=
log message .info
abbrev logWarning [MonadLog m] (message : String) : m PUnit :=
log message .warning
abbrev logError [MonadLog m] (message : String) : m PUnit :=
log message .error
namespace MonadLog
def nop [Pure m] : MonadLog m :=
⟨fun _ => pure (), fun _ => pure (), fun _ => pure ()⟩
⟨fun _ _ => pure ()⟩
instance [Pure m] : Inhabited (MonadLog m) := ⟨MonadLog.nop⟩
def io [MonadLiftT BaseIO m] : MonadLog m where
logInfo msg := IO.println msg |>.catchExceptions fun _ => pure ()
logWarning msg := IO.eprintln s!"warning: {msg}" |>.catchExceptions fun _ => pure ()
logError msg := IO.eprintln s!"error: {msg}" |>.catchExceptions fun _ => pure ()
log msg
| .info => IO.println msg.trim |>.catchExceptions fun _ => pure ()
| .warning => IO.eprintln s!"warning: {msg.trim}" |>.catchExceptions fun _ => pure ()
| .error => IO.eprintln s!"error: {msg.trim}" |>.catchExceptions fun _ => pure ()
def eio [MonadLiftT BaseIO m] : MonadLog m where
logInfo msg := IO.eprintln s!"info: {msg}" |>.catchExceptions fun _ => pure ()
logWarning msg := IO.eprintln s!"warning: {msg}" |>.catchExceptions fun _ => pure ()
logError msg := IO.eprintln s!"error: {msg}" |>.catchExceptions fun _ => pure ()
log msg
| .info => IO.eprintln s!"info: {msg.trim}" |>.catchExceptions fun _ => pure ()
| .warning => IO.eprintln s!"warning: {msg.trim}" |>.catchExceptions fun _ => pure ()
| .error => IO.eprintln s!"error: {msg.trim}" |>.catchExceptions fun _ => pure ()
def lift [MonadLiftT m n] (self : MonadLog m) : MonadLog n where
logInfo msg := liftM <| self.logInfo msg
logWarning msg := liftM <| self.logWarning msg
logError msg := liftM <| self.logError msg
log msg lv := liftM <| self.log msg lv
instance [MonadLift m n] [methods : MonadLog m] : MonadLog n := lift methods
@ -55,9 +67,7 @@ instance [Pure n] [Inhabited α] : Inhabited (MonadLogT m n α) :=
⟨fun _ => pure Inhabited.default⟩
instance [Monad n] [MonadLiftT m n] : MonadLog (MonadLogT m n) where
logInfo msg := do (← read).logInfo msg
logWarning msg := do (← read).logWarning msg
logError msg := do (← read).logError msg
log msg lv := do (← read).log msg lv
namespace MonadLogT