Class: Uncool::Trace

Inherits:
Object
  • Object
show all
Defined in:
lib/uncool/trace.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(targets, options = {}) ⇒ Trace

Returns a new instance of Trace.



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# File 'lib/uncool/trace.rb', line 19

def initialize(targets, options={})
  @targets = [targets].compact.flatten
  @options = options
  @log = []
end

Instance Attribute Details

#log ⇒ Object (readonly)

Returns the value of attribute log.



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# File 'lib/uncool/trace.rb', line 16

def log
  @log
end

#targets ⇒ Object (readonly)

Returns the value of attribute targets.



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# File 'lib/uncool/trace.rb', line 13

def targets
  @targets
end

Instance Method Details

#activate ⇒ Object 



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# File 'lib/uncool/trace.rb', line 53

def activate
  setup
  TracePoint.activate
end

#deactivate ⇒ Object 



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# File 'lib/uncool/trace.rb', line 59

def deactivate
  TracePoint.deactivate
end

#setup ⇒ Object 



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# File 'lib/uncool/trace.rb', line 26

def setup
  tracker = self
  TracePoint.trace do |tp|
    #puts "#{tp.self.class}\t#{tp.callee}\t#{tp.event}\t#{tp.return?}"
    if tp.event == 'call' or tp.event == 'c-call'
      if tracker.target?(tp.self.class)
        tracker.log << [tp.self, tp.callee]
      end
    end
  end
end

#target?(mod) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uncool/trace.rb', line 39

def target?(mod)
  return true if targets.empty?
  targets.find do |target|
    begin
      target_class = eval(target, TOPLEVEL_BINDING) #Object.const_get(target)
    rescue
      nil
    else
      target_class == mod
    end
  end
end

#to_analysis ⇒ Object 



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# File 'lib/uncool/trace.rb', line 64

def to_analysis
  Analysis.new(self, @options)
end