Class: Trepan::BreakpointMgr

Inherits:
Object
  • Object
show all
Defined in:
app/brkptmgr.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ BreakpointMgr

Returns a new instance of BreakpointMgr.



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# File 'app/brkptmgr.rb', line 10

def initialize
  clear
end

Instance Attribute Details

#list ⇒ Object (readonly)

Returns the value of attribute list.



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# File 'app/brkptmgr.rb', line 7

def list
  @list
end

#set ⇒ Object (readonly)

Returns the value of attribute set.



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# File 'app/brkptmgr.rb', line 8

def set
  @set
end

Instance Method Details

#<<(brkpt) ⇒ Object 



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# File 'app/brkptmgr.rb', line 28

def <<(brkpt)
  @list << brkpt
  @set.add(set_key(brkpt))
end

#[](index) ⇒ Object Also known as: detect

Raises:

  • (TypeError) 


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# File 'app/brkptmgr.rb', line 33

def [](index)
  raise TypeError, 
  "index #{index} should be a Fixnum, is #{index.class}" unless
    index.is_a?(Fixnum)
  @list.detect {|bp| bp.id == index }
end

#add(*args) ⇒ Object 



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# File 'app/brkptmgr.rb', line 59

def add(*args)
  if args[2] 
    unless args[2].member?(:id)
      args[2][:id] = @next_id
      @next_id += 1
    end
  else
    args[2] = {:id => @next_id}
    @next_id += 1
  end

  brkpt = Trepan::Breakpoint.new(*args)
  @list << brkpt
  @set.add(set_key(brkpt))
  return brkpt
end

#clear ⇒ Object 



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# File 'app/brkptmgr.rb', line 14

def clear
  @list = []
  @next_id = 1
  @set = Set.new
end

#delete(index) ⇒ Object 



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# File 'app/brkptmgr.rb', line 42

def delete(index)
  bp = detect(index)
  if bp
    delete_by_brkpt(bp)
    return bp
  else
    return nil
  end
end

#delete_by_brkpt(delete_bp) ⇒ Object 



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# File 'app/brkptmgr.rb', line 52

def delete_by_brkpt(delete_bp)
  @list = @list.reject{|candidate| candidate == delete_bp}
  @set  = Set.new(@list.map{|bp| set_key(bp)})
  delete_bp.remove! unless @set.member?(set_key(delete_bp))
  return delete_bp
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/brkptmgr.rb', line 76

def empty?
  @list.empty?
end

#finalize ⇒ Object

Remove all breakpoints that we have recorded



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# File 'app/brkptmgr.rb', line 21

def finalize
  @list.each do |bp|
    bp.remove!
  end
  clear
end

#find(iseq, offset, bind) ⇒ Object 



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# File 'app/brkptmgr.rb', line 92

def find(iseq, offset, bind)
  @list.detect do |bp| 
    if bp.enabled? && bp.iseq.equal?(iseq) && bp.offset == offset
      begin
        return bp if bp.condition?(bind)
      rescue
      end 
    end
  end
end

#line_breaks(container) ⇒ Object 



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# File 'app/brkptmgr.rb', line 80

def line_breaks(container)
  result = {}
  @list.each do |bp|
    if bp.source_container == container
      bp.source_location.each do |line|
        result[line] = bp 
      end
    end
  end
  result
end

#max ⇒ Object 



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# File 'app/brkptmgr.rb', line 103

def max
  @list.map{|bp| bp.id}.max
end

#reset ⇒ Object 



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# File 'app/brkptmgr.rb', line 116

def reset
  @list.each{|bp| bp.remove!}
  @list = []
  @set  = Set.new
end

#set_key(bp) ⇒ Object

Key used in @set to list unique instruction-sequence offsets.



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# File 'app/brkptmgr.rb', line 108

def set_key(bp)
  [bp.iseq, bp.offset]
end

#size ⇒ Object 



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# File 'app/brkptmgr.rb', line 112

def size
  @list.size
end