rubinius-debugger deferred breakpoints patch

00_dbg.rb

class A
  def hi
    'hi'
  end

  def many(n)
    1.upto(n) do |i|
      puts "hi #{i}"
    end
  end
end

A.new.many(3)
A.new.many(5)

01_before.log

rubinius-debugger(rbx-2.4.1) $ rbx -Xdebug ./dbg.rb

| Breakpoint: Rubinius::Loader#debugger at kernel/loader.rb:561 (50)
| 561:           Rubinius::Debugger.start
debug> b A#many
* Unable to find class/module: A
| Would you like to defer this breakpoint to later? [y/n] y
| Deferred breakpoint created.
debug> i bp
==== Breakpoints ====
|   1: A#many - unknown location (deferred)
Error in debugger

    undefined method `has_commands?' on an instance of Rubinius::Debugger::DeferredBreakPoint. (NoMethodError)

debug> cond 1 n == 5
Error in debugger

    undefined method `set_condition' on an instance of Rubinius::Debugger::DeferredBreakPoint. (NoMethodError)

debug> c
| Resolved breakpoint for A#many
| Set breakpoint 2: ./dbg.rb:7 (+0)

02_after.log

rubinius-debugger(rbx-2.4.1) $ rbx -Xdebug -Ilib ./dbg.rb

| Breakpoint: Rubinius::Loader#debugger at kernel/loader.rb:561 (50)
| 561:           Rubinius::Debugger.start
debug> b A#many
* Unable to find class/module: A
| Would you like to defer this breakpoint to later? [y/n] y
| Deferred breakpoint created.
debug> cond 1 n == 5
debug> commands 1
Type commands for breakpoint #1, one per line.
End with a line saying just 'END'.
> p n * -100
> END
debug> i bp
==== Breakpoints ====
|   1: A#many - unknown location (deferred)
|      p n * -100
|      stop only if n == 5
debug> c
| Resolved breakpoint for A#many
| Set breakpoint 1: ./dbg.rb:7 (+0)
hi 1
hi 2
hi 3

| Breakpoint: A#many(n) at ./dbg.rb:7 (0)
| 7:     1.upto(n) do |i|
-500
$d0 = -500
debug> i bp
==== Breakpoints ====
|   1: A#many - ./dbg.rb:7 (+0)
|      p n * -100
|      stop only if n == 5