7 Using MLWorks in TTY Mode

7.3 Debugging in the TTY interface

The TTY interface provides its own interface to the debugger. The commands available are:

<: Go to the earliest frame in the stack
>: Go to the latest frame in the stack
i: Next frame into the stack or next later frame (callee)
i <n>: Next n frames into the stack
o: Next frame out of the stack or next earlier frame (caller)
o <n>: Next n frames out of the stack
b: Do a backtrace of the stack
f: Show full frame details
e: Edit definition
h {<name>}: Hide the given types of frame or list hidden frame types if none given
r {<name>}: Reveal the given types of frame or list the revealed frame types if none given
p: Print values of local and closure variables
c: Continue interrupted computation
s: Step through computation
s <n>: Step through computation to nth function call
n: Step over the current function to the start of the next one
trace <name>: Set trace on function entry at <name>
breakpoint <name>
: Set breakpoint on function entry at <name>
untrace <name>
: Unset trace on function entry at <name>
unbreakpoint <name>
: Unset breakpoint on function entry at <name>
breakpoints: Display the list of breakpoints
ignore <name> n
: Ignore the next n hits on the breakpoint on function <name>
help: Display this help info
?: Display this help info
c: Continue interrupted code
q: Return to top level