The Path to Better Debugging on iOS

<strong>The</strong>re’s more than just po, you know?
Command Abbrev. Description
continue c Continue until the next breakpoint
step [count] s Single step the next [count] statements. Step in<strong>to</strong> functions.
next [count] n Single step the next [count] statements. Step over functions.
finish p Execute the rest of the current function. Step out of the function.
print expression p Print the value of an expression
print-object obj po Print the value of [obj debugDescription].
set var = exp - Set a variable. e.g. set obj = (void *)[[NSObject alloc] init]
call expression c Call a function. e.g. call NSLog(@”Can’t break the habit.”)
jump line j Continue at a given line (or address).
backtrace [count] bt Print a backtrace of [count] frames.
return [expression] - Return the value of [expression] <strong>to</strong> the previous stack frame.