From: Gary Weaver <lists@...>
Date: 2012-10-18T07:26:20+09:00
Subject: Re: autolog: shortcut for set_trace_func to debug ruby via console output, etc.

Ryan Davis wrote in post #1080212:
> On Oct 17, 2012, at 11:35 , Gary Weaver <lists@ruby-forum.com> wrote:
>
>> In Gemfile add:
>>
>> https://github.com/garysweaver/autolog
>
> How does this compare to stdlib's tracer?
>
>   ##
>   # Start tracing
>   #
>   # === Example
>   #
>   #   Tracer.on
>   #   # code to trace here
>   #   Tracer.off
>   #
>   # You can also pass a block:
>   #
>   #   Tracer.on {
>   #     # trace everything in this block
>   #   }

It is basically like an event-specific version of Tracer.

autolog :methods
autolog :c_calls
autolog :c_returns
autolog :c_calls_and_returns
autolog :class_starts
autolog :class_ends
autolog :classes
autolog :method_calls
autolog :method_returns
autolog :methods
autolog :lines
autolog :raises
autolog :trace
autolog :event :c_return
autolog :events 'raise', 'c-call'
autolog :events :raise, :c_call
autolog :off

Autolog.c_calls
Autolog.c_returns
Autolog.c_calls_and_returns
Autolog.class_starts
Autolog.class_ends
Autolog.classes
Autolog.method_calls
Autolog.method_returns
Autolog.methods
Autolog.lines
Autolog.raises
Autolog.trace
Autolog.event :c_return
Autolog.events 'raise', 'c-call'
Autolog.events :raise, :c_call
Autolog.off

Now takes blocks:

autolog do
  puts "this is something"
  puts "this is something 2"
end

autolog :methods do
  # ...
end

autolog :c_calls_and_returns do
  # ...
end

autolog :lines do
  # ...
end

autolog :events, :line, :c_call do
  # ...
end

Can use in main, Object, or call methods on it.

Could use some help making it better if anyone wants to help.

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