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Programming-Idioms

  • Lua
  • Haskell

Idiom #253 Print stack trace

Print the stack frames of the current execution thread of the program.

import GHC.Stack
msgStacktraced :: HasCallStack => String -> IO ()
msgStacktraced msg = putStrLn (msg ++ "\n" ++ prettyCallStack callStack)
import "runtime/debug"
debug.PrintStack()

Prints to standard error
New implementation...
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programming-idioms.org 
msgStacktraced :: HasCallStack => String -> IO ()
msgStacktraced msg = putStrLn (msg ++ "\n" ++ prettyCallStack callStack)
debug.PrintStack()
console.trace()
for (var e : currentThread().getStackTrace())
    out.println(e);
dump_stack(stdout,0);
cluck 'print this message and a full stack track';
for frame in inspect.stack():
    print(frame)

puts caller
let bt = Backtrace::new();
println!("{:?}", bt);