Rails - Oct 2006 - Local Variables vs. Instance Variables inside breakpointer

Hi,

I have a quick question about breakpoints.  I am testing a class method
inside a model in development mode and when I get to the breakpoint, I
can''t seem to inspect any of the local variables inside the method.
Here is what the code looks like:

class User
   self.register(params,options)
      @user = User.new(params[:user])
      user = User.new(params[:user])
      if options
        # do stuff
        breakpoint
      else
        # do other stuff
      end
   end
end

I can inspect the instance variable just fine, but
if I try to inspect the ''user'' local variable or params or
options I
get the following exception:
ameError: undefined local variable or method `user'' for User:Class
        from (druby://localhost:42531)
/opt/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:1129:in
`method_missing''
        from (druby://localhost:42531) (irb):1:in `breakpoint''

I noticed the same thing happens in unit tests as well.  Any ideas?

I am using rails 1.1.6 and ruby 1.8.5

Thanks,
Curtis


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I worked around this by upgrading to using ruby-debug within my rails
app.  It''s quite nice for someone who likes gdb!  Still wondering why
breakpoint didn''t happen to work otherwise though.


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I am experiencing the same issue as you, I can see instance but not
local variables. However, it only acts this way on two different
machines. On one machine with Rails installed via the Gem install I CAN
see local variables but on another machine with a Rails install done
via the SysAdmin(s) I can NOT see local variables (one could almost
imagine the situation being reversed - a custom install of Rails
*would* have local variable visibility because it might be the version
you ended up using - ruby-debug). But this isnt the case.

Did you make any further progress on this w/o having to resort to
ruby-debug?

thanks.


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On Thursday 09 November 2006 17:14, Wiliam Langshaw
wrote:
> Did you make any further progress on this w/o having to resort to
> ruby-debug?
breakpoint(er) relies on Binding.of_caller which was broken by Ruby 
1.8.5. Without this method, there''s no (easy, fast) way to access the 
local variables of the caller.

Michael

-- 
Michael Schuerig
mailto:michael-q5aiKMLteq4b1SvskN2V4Q@public.gmane.org
http://www.schuerig.de/michael/

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