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|
{-# LANGUAGE Unsafe #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE UnboxedTuples #-}
-- This boot file is necessary to allow GHC developers to
-- use trace facilities in those (relatively few) modules that Debug.Trace
-- itself depends on. It is also necessary to make DsMonad.pprRuntimeTrace
-- trace injections work in those modules.
-----------------------------------------------------------------------------
-- |
-- Module : Debug.Trace
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/base/LICENSE)
--
-- Maintainer : libraries@haskell.org
-- Stability : provisional
-- Portability : portable
--
-- Functions for tracing and monitoring execution.
--
-- These can be useful for investigating bugs or performance problems.
-- They should /not/ be used in production code.
--
-----------------------------------------------------------------------------
module Debug.Trace (
-- * Tracing
-- $tracing
trace,
traceId,
traceShow,
traceShowId,
traceStack,
traceIO,
traceM,
traceShowM,
-- * Eventlog tracing
-- $eventlog_tracing
traceEvent,
traceEventIO,
-- * Execution phase markers
-- $markers
traceMarker,
traceMarkerIO,
) where
import GHC.Base
import GHC.Show
traceIO :: String -> IO ()
trace :: String -> a -> a
traceId :: String -> String
traceShow :: Show a => a -> b -> b
traceShowId :: Show a => a -> a
traceM :: Applicative f => String -> f ()
traceShowM :: (Show a, Applicative f) => a -> f ()
traceStack :: String -> a -> a
traceEvent :: String -> a -> a
traceEventIO :: String -> IO ()
traceMarker :: String -> a -> a
traceMarkerIO :: String -> IO ()
|
