GHC.Stack
currentCallStack
whoCreated
errorWithStackTrace
data CallStack
emptyCallStack
freezeCallStack
getCallStack
popCallStack
prettyCallStack
pushCallStack
withFrozenCallStack
data SrcLoc
prettySrcLoc
data CostCentreStack
data CostCentre
getCurrentCCS
getCCSOf
clearCCS
ccsCC
ccsParent
ccLabel
ccModule
ccSrcSpan
ccsToStrings
renderStack