Class: Rubinius::Debugger::Frame

Inherits:
Object
  • Object
show all
Defined in:
lib/rubinius/debugger/frame.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(debugger, number, loc) ⇒ Frame

Returns a new instance of Frame.



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# File 'lib/rubinius/debugger/frame.rb', line 3

def initialize(debugger, number, loc)
  @debugger = debugger
  @number = number
  @location = loc
end

Instance Attribute Details

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/rubinius/debugger/frame.rb', line 9

def location
  @location
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/rubinius/debugger/frame.rb', line 9

def number
  @number
end

Instance Method Details

#binding ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 15

def binding
  @binding ||= Binding.setup(
                 @location.variables,
                 @location.method,
                 @location.constant_scope)
end

#describe ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 42

def describe
  if method.required_args > 0
    locals = []
    0.upto(method.required_args-1) do |arg|
      locals << method.local_names[arg].to_s
    end

    arg_str = locals.join(", ")
  else
    arg_str = ""
  end

  loc = @location

  if loc.is_block
    if arg_str.empty?
      recv = "{ } in #{loc.describe_receiver}#{loc.name}"
    else
      recv = "{|#{arg_str}| } in #{loc.describe_receiver}#{loc.name}"
    end
  else
    if arg_str.empty?
      recv = loc.describe
    else
      recv = "#{loc.describe}(#{arg_str})"
    end
  end

  str = "#{recv} at #{loc.method.active_path}:#{loc.line} (#{loc.ip})"
  if @debugger.variables[:show_ip]
    str << " (+#{loc.ip})"
  end

  str
end

#ip ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 30

def ip
  @location.ip
end

#line ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 26

def line
  @location.line
end

#local_variables ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 38

def local_variables
  method.local_names
end

#method ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 22

def method
  @location.method
end

#run(code) ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 11

def run(code)
  eval(code, binding)
end

#variables ⇒ Object 



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# File 'lib/rubinius/debugger/frame.rb', line 34

def variables
  @location.variables
end