lldb crystal

gistfile1.txt

/t/test> cat a.cr
def go
  a = 0
  10.times do
    a += 1
  end

  p a
end

go
/t/test> lldb a
(lldb) target create "a"
Current executable set to 'a' (x86_64).
(lldb) breakpoint set -n go
Breakpoint 1: where = a`go + 4 at a.cr:2:3, address = 0x00000001000110a4
(lldb) run
Process 28302 launched: '/tmp/test/a' (x86_64)
a was compiled with optimization - stepping may behave oddly; variables may not be available.
Process 28302 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
    frame #0: 0x00000001000110a4 a`go at a.cr:2:3 [opt]
   1   	def go
-> 2   	  a = 0
   3   	  10.times do
   4   	    a += 1
   5   	  end
   6
   7   	  p a
Target 0: (a) stopped.
(lldb) s
Process 28302 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = step in
    frame #0: 0x00000001000110ac a`go at int.cr:508:5 [opt]
   505 	  end
   506
   507 	  def times(&block : self ->) : Nil
-> 508 	    i = self ^ self
   509 	    while i < self
   510 	      yield i
   511 	      i += 1
Target 0: (a) stopped.
(lldb) s
Process 28302 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = step in
    frame #0: 0x00000001000110b4 a`go at int.cr:509:11 [opt]
   506
   507 	  def times(&block : self ->) : Nil
   508 	    i = self ^ self
-> 509 	    while i < self
   510 	      yield i
   511 	      i += 1
   512 	    end
Target 0: (a) stopped.
(lldb) s
Process 28302 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = step in
    frame #0: 0x00000001000110e6 a`go at a.cr:4:5 [opt]
   1   	def go
   2   	  a = 0
   3   	  10.times do
-> 4   	    a += 1
   5   	  end
   6
   7   	  p a
Target 0: (a) stopped.
(lldb) c
Process 28302 resuming
10
Process 28302 exited with status = 0 (0x00000000)
(lldb) q