Debugging in Xcode

LLDB Commands

command	aliases	description
print	p	prints out a variable
po		prints an object
expression	e, expr	Executes a command. E.g, e myVar = 5 will assign a new value to myVar.
continue	c	Continue program execution until next breakpoint
next	n, step-over	Go to the next instruction
step	in, s, step-in	Steps into a function call if present.
step-out		Step out of a function call.
frame info		Shows the current file and line number.
thread return		Loads the specified value into the return registers and returns from the current function immediately. Good for stubbing out functions. E.g., thread return 9.

References

• Apple Developer

  • Debugging with Xcode

• LLDB debugging - Obj-C.io