Repository navigation
Not working for exception thrown by library function without HasCallStack #13
Description
stack new trace
app/Main.hs:
module Main where
-- import GHC.Stack
import System.Directory
import Data.Maybe (fromJust)
main :: IO ()
main = do
myDo "/z"
print f1
myDo x = do
getDirectoryContents x
stack.yaml:
extra-deps:
- haskell-stack-trace-plugin-0.1.3.0@sha256:b7f05707849dda721ed466df769ca9a3fb41de996c9cea1e568af85687489362,2121
package.yaml:
dependencies:
- base >= 4.7 && < 5
- directory
- haskell-stack-trace-plugin >= 0.1.3.0
executables:
stacktrace-plugin-exe:
main: Main.hs
source-dirs: app
ghc-options:
- -fplugin=StackTrace.Plugin
- -threaded
- -rtsopts
- -with-rtsopts=-N
stack run
...
Installing executable stacktrace-plugin-exe in /home/dan/demo/haskell/cabal/stacktrace-plugin/.stack-work/install/x86_64-linux-tinfo6/a312ec7a31d449d77cf93f7d5c4fe35cdb919b67bfa2faa8f121cda8cb898c28/8.10.7/bin
Registering library for stacktrace-plugin-0.1.0.0..
stacktrace-plugin-exe: /z: getDirectoryContents:openDirStream: does not exist (No such file or directory)
No stack trace - just regular exception message in console.
Running the demo with lazy functions is working for the same configuration.
Activity
[-]Not working for IO function[/-][+]Not working for exception thrown by function without HasCallStack[/+]yaitskov commentedon Dec 13, 2021
The problem is about building dependencies with this plugin too. Same for
head [].I would replace problematic base functions such as head with tracing wrappers:
[-]Not working for exception thrown by function without HasCallStack[/-][+]Not working for exception thrown by library function without HasCallStack[/+]