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 | None |
Language | Haskell2010 |
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.
Location | |
|
A location in the original program source.
SrcLoc | |
|
data StackTrace Source #
The state of the execution stack
stackFrames :: StackTrace -> Maybe [Location] Source #
List the frames of a stack trace.
stackDepth :: StackTrace -> Int Source #
How many stack frames in the given StackTrace
collectStackTrace :: IO (Maybe StackTrace) Source #
Get an execution stack.
showStackFrames :: [Location] -> ShowS Source #
Render a stacktrace as a string
invalidateDebugCache :: IO () Source #
Free the cached debug data.