| Copyright | (c) The University of Glasgow 2013-2015 | 
|---|---|
| License | see libraries/base/LICENSE | 
| Maintainer | cvs-ghc@haskell.org | 
| Stability | internal | 
| Portability | non-portable (GHC Extensions) | 
| Safe Haskell | Safe-Inferred | 
| Language | Haskell2010 | 
GHC.ExecutionStack.Internal
Contents
Description
Internals of the ExecutionStack module
Since: base-4.9.0.0
Synopsis
- data Location = Location {- objectName :: String
- functionName :: String
- srcLoc :: Maybe SrcLoc
 
- data SrcLoc = SrcLoc {- sourceFile :: String
- sourceLine :: Int
- sourceColumn :: Int
 
- data StackTrace
- stackFrames :: StackTrace -> Maybe [Location]
- stackDepth :: StackTrace -> Int
- collectStackTrace :: IO (Maybe StackTrace)
- showStackFrames :: [Location] -> ShowS
- invalidateDebugCache :: IO ()
Internal
Location information about an address from a backtrace.
Constructors
| Location | |
| Fields 
 | |
A location in the original program source.
Constructors
| SrcLoc | |
| Fields 
 | |
data StackTrace #
The state of the execution stack
stackFrames :: StackTrace -> Maybe [Location] #
List the frames of a stack trace.
stackDepth :: StackTrace -> Int #
How many stack frames in the given StackTrace
collectStackTrace :: IO (Maybe StackTrace) #
Get an execution stack.
showStackFrames :: [Location] -> ShowS #
Render a stacktrace as a string
invalidateDebugCache :: IO () #
Free the cached debug data.